Sep 2002 374.29 ppm
Sep 2002 374.29 ppm
Sep 2002 374.29 ppm
Sep 2002 374.29 ppm
Oct 2002 374.06 ppm
Oct 2002 374.06 ppm
Oct 2002 374.06 ppm
Nov 2002 374.52 ppm
Nov 2002 374.52 ppm
Nov 2002 374.52 ppm
Dec 2002 374.72 ppm
Dec 2002 374.72 ppm
Dec 2002 374.72 ppm
Dec 2002 374.72 ppm
Jan 2003 374.82 ppm
Jan 2003 374.82 ppm
Jan 2003 374.82 ppm
Feb 2003 374.95 ppm
Feb 2003 374.95 ppm
Feb 2003 374.95 ppm
Mar 2003 374.99 ppm
Mar 2003 374.99 ppm
Mar 2003 374.99 ppm
Apr 2003 374.99 ppm
Apr 2003 375.24 ppm
Apr 2003 375.24 ppm
Apr 2003 375.24 ppm
May 2003 375.73 ppm
May 2003 375.73 ppm
May 2003 375.73 ppm
Jun 2003 376.21 ppm
Jun 2003 376.21 ppm
Jun 2003 376.21 ppm
Jul 2003 376.37 ppm
Jul 2003 376.37 ppm
Jul 2003 376.37 ppm
Jul 2003 376.37 ppm
Aug 2003 376.27 ppm
Aug 2003 376.27 ppm
Aug 2003 376.27 ppm
Sep 2003 376.65 ppm
Sep 2003 376.65 ppm
Sep 2003 376.65 ppm
Oct 2003 376.65 ppm
Oct 2003 376.65 ppm
Oct 2003 376.65 ppm
Nov 2003 376.65 ppm
Nov 2003 376.99 ppm
Nov 2003 376.99 ppm
Nov 2003 376.99 ppm
Dec 2003 376.93 ppm
Dec 2003 376.93 ppm
Dec 2003 376.93 ppm
Jan 2004 376.96 ppm
Jan 2004 376.96 ppm
Jan 2004 376.96 ppm
Feb 2004 377.19 ppm
Feb 2004 377.19 ppm
Feb 2004 377.19 ppm
Feb 2004 377.19 ppm
Mar 2004 377.4 ppm
Mar 2004 377.4 ppm
Mar 2004 377.4 ppm
Apr 2004 377.8 ppm
Apr 2004 377.8 ppm
Apr 2004 377.8 ppm
May 2004 377.66 ppm
May 2004 377.66 ppm
May 2004 377.66 ppm
Jun 2004 377.66 ppm
Jun 2004 377.57 ppm
Jun 2004 377.57 ppm
Jun 2004 377.57 ppm
Jul 2004 377.12 ppm
Jul 2004 377.12 ppm
Jul 2004 377.12 ppm
Aug 2004 377.9 ppm
Aug 2004 377.9 ppm
Aug 2004 377.9 ppm
Sep 2004 377.8 ppm
Sep 2004 377.8 ppm
Sep 2004 377.8 ppm
Sep 2004 377.8 ppm
Oct 2004 378.0 ppm
Oct 2004 378.0 ppm
Oct 2004 378.0 ppm
Nov 2004 378.49 ppm
Nov 2004 378.49 ppm
Nov 2004 378.49 ppm
Dec 2004 378.48 ppm
Dec 2004 378.48 ppm
Dec 2004 378.48 ppm
Dec 2004 378.48 ppm
Jan 2005 378.37 ppm
Jan 2005 378.37 ppm
Jan 2005 378.37 ppm
Feb 2005 379.1 ppm
Feb 2005 379.1 ppm
Feb 2005 379.1 ppm
Mar 2005 379.45 ppm
Mar 2005 379.45 ppm
Mar 2005 379.45 ppm
Apr 2005 379.84 ppm
Apr 2005 379.84 ppm
Apr 2005 379.84 ppm
Apr 2005 379.84 ppm
May 2005 379.49 ppm
May 2005 379.49 ppm
May 2005 379.49 ppm
Jun 2005 380.07 ppm
Jun 2005 380.07 ppm
Jun 2005 380.07 ppm
Jul 2005 380.38 ppm
Jul 2005 380.38 ppm
Jul 2005 380.38 ppm
Aug 2005 380.38 ppm
Aug 2005 380.61 ppm
Aug 2005 380.61 ppm
Aug 2005 380.61 ppm
Sep 2005 380.2 ppm
Sep 2005 380.2 ppm
Sep 2005 380.2 ppm
Oct 2005 380.5 ppm
Oct 2005 380.5 ppm
Oct 2005 380.5 ppm
Nov 2005 380.69 ppm
Nov 2005 380.69 ppm
Nov 2005 380.69 ppm
Nov 2005 380.69 ppm
Dec 2005 381.09 ppm
Dec 2005 381.09 ppm
Dec 2005 381.09 ppm
Jan 2006 381.33 ppm
Jan 2006 381.33 ppm
Jan 2006 381.33 ppm
Feb 2006 381.58 ppm
Feb 2006 381.58 ppm
Feb 2006 381.58 ppm
Mar 2006 381.58 ppm
Mar 2006 381.32 ppm
Mar 2006 381.32 ppm
Mar 2006 381.32 ppm
Apr 2006 382.11 ppm
Apr 2006 382.11 ppm
Apr 2006 382.11 ppm
May 2006 382.06 ppm
May 2006 382.06 ppm
May 2006 382.06 ppm
Jun 2006 381.93 ppm
Jun 2006 381.93 ppm
Jun 2006 381.93 ppm
Jun 2006 381.93 ppm
Jul 2006 382.1 ppm
Jul 2006 382.1 ppm
Jul 2006 382.1 ppm
Aug 2006 382.27 ppm
Aug 2006 382.27 ppm
Aug 2006 382.27 ppm
Sep 2006 382.35 ppm
Sep 2006 382.35 ppm
Sep 2006 382.35 ppm
Oct 2006 382.35 ppm
Oct 2006 382.66 ppm
Oct 2006 382.66 ppm
Oct 2006 382.66 ppm
Nov 2006 382.52 ppm
Nov 2006 382.52 ppm
Nov 2006 382.52 ppm
Dec 2006 382.84 ppm
Dec 2006 382.84 ppm
Dec 2006 382.84 ppm
Jan 2007 382.88 ppm
Jan 2007 382.88 ppm
Jan 2007 382.88 ppm
Jan 2007 382.88 ppm
Feb 2007 383.22 ppm
Feb 2007 383.22 ppm
Feb 2007 383.22 ppm
Mar 2007 383.17 ppm
Mar 2007 383.17 ppm
Mar 2007 383.17 ppm
Apr 2007 383.95 ppm
Apr 2007 383.95 ppm
Apr 2007 383.95 ppm
May 2007 383.95 ppm
May 2007 383.56 ppm
May 2007 383.56 ppm
May 2007 383.56 ppm
Jun 2007 384.06 ppm
Jun 2007 384.06 ppm
Jun 2007 384.06 ppm
Jul 2007 384.25 ppm
Jul 2007 384.25 ppm
Jul 2007 384.25 ppm
Aug 2007 383.95 ppm
Aug 2007 383.95 ppm
Aug 2007 383.95 ppm
Aug 2007 383.95 ppm
Sep 2007 384.56 ppm
Sep 2007 384.56 ppm
Sep 2007 384.56 ppm
Oct 2007 384.72 ppm
Oct 2007 384.72 ppm
Oct 2007 384.72 ppm
Nov 2007 384.9 ppm
Nov 2007 384.9 ppm
Nov 2007 384.9 ppm
Dec 2007 384.9 ppm
Dec 2007 385.07 ppm
Dec 2007 385.07 ppm
Dec 2007 385.07 ppm
Jan 2008 385.54 ppm
Jan 2008 385.54 ppm
Jan 2008 385.54 ppm
Feb 2008 385.2 ppm
Feb 2008 385.2 ppm
Feb 2008 385.2 ppm
Mar 2008 384.72 ppm
Mar 2008 384.72 ppm
Mar 2008 384.72 ppm
Mar 2008 384.72 ppm
Apr 2008 384.71 ppm
Apr 2008 384.71 ppm
Apr 2008 384.71 ppm
May 2008 385.69 ppm
May 2008 385.69 ppm
May 2008 385.69 ppm
Jun 2008 385.68 ppm
Jun 2008 385.68 ppm
Jun 2008 385.68 ppm
Jul 2008 385.68 ppm
Jul 2008 386.04 ppm
Jul 2008 386.04 ppm
Jul 2008 386.04 ppm
Aug 2008 385.98 ppm
Aug 2008 385.98 ppm
Aug 2008 385.98 ppm
Sep 2008 386.68 ppm
Sep 2008 386.68 ppm
Sep 2008 386.68 ppm
Oct 2008 386.49 ppm
Oct 2008 386.49 ppm
Oct 2008 386.49 ppm
Oct 2008 386.49 ppm
Nov 2008 386.59 ppm
Nov 2008 386.59 ppm
Nov 2008 386.59 ppm
Dec 2008 386.64 ppm
Dec 2008 386.64 ppm
Dec 2008 386.64 ppm
Jan 2009 386.86 ppm
Jan 2009 386.86 ppm
Jan 2009 386.86 ppm
Jan 2009 386.86 ppm
Feb 2009 386.81 ppm
Feb 2009 386.81 ppm
Feb 2009 386.81 ppm
Mar 2009 387.54 ppm
Mar 2009 387.54 ppm
Mar 2009 387.54 ppm
Apr 2009 387.15 ppm
Apr 2009 387.15 ppm
Apr 2009 387.15 ppm
May 2009 387.24 ppm
May 2009 387.24 ppm
May 2009 387.24 ppm
May 2009 387.24 ppm
Jun 2009 387.46 ppm
Jun 2009 387.46 ppm
Jun 2009 387.46 ppm
Jul 2009 387.77 ppm
Jul 2009 387.77 ppm
Jul 2009 387.77 ppm
Aug 2009 387.99 ppm
Aug 2009 387.99 ppm
Aug 2009 387.99 ppm
Aug 2009 387.99 ppm
Sep 2009 388.22 ppm
Sep 2009 388.22 ppm
Sep 2009 388.22 ppm
Oct 2009 387.88 ppm
Oct 2009 387.88 ppm
Oct 2009 387.88 ppm
Nov 2009 388.36 ppm
Nov 2009 388.36 ppm
Nov 2009 388.36 ppm
Dec 2009 388.44 ppm
Dec 2009 388.44 ppm
Dec 2009 388.44 ppm
Dec 2009 388.44 ppm
Jan 2010 388.62 ppm
Jan 2010 388.62 ppm
Jan 2010 388.62 ppm
Feb 2010 389.47 ppm
Feb 2010 389.47 ppm
Feb 2010 389.47 ppm
Mar 2010 389.85 ppm
Mar 2010 389.85 ppm
Mar 2010 389.85 ppm
Apr 2010 389.85 ppm
Apr 2010 390.12 ppm
Apr 2010 390.12 ppm
Apr 2010 390.12 ppm
May 2010 390.09 ppm
May 2010 390.09 ppm
May 2010 390.09 ppm
Jun 2010 390.1 ppm
Jun 2010 390.1 ppm
Jun 2010 390.1 ppm
Jul 2010 389.93 ppm
Jul 2010 389.93 ppm
Jul 2010 389.93 ppm
Jul 2010 389.93 ppm
Aug 2010 390.21 ppm
Aug 2010 390.21 ppm
Aug 2010 390.21 ppm
Sep 2010 390.32 ppm
Sep 2010 390.32 ppm
Sep 2010 390.32 ppm
Oct 2010 390.72 ppm
Oct 2010 390.72 ppm
Oct 2010 390.72 ppm
Nov 2010 390.72 ppm
Nov 2010 390.99 ppm
Nov 2010 390.99 ppm
Nov 2010 390.99 ppm
Dec 2010 390.8 ppm
Dec 2010 390.8 ppm
Dec 2010 390.8 ppm
Jan 2011 391.2 ppm
Jan 2011 391.2 ppm
Jan 2011 391.2 ppm
Feb 2011 391.12 ppm
Feb 2011 391.12 ppm
Feb 2011 391.12 ppm
Mar 2011 391.12 ppm
Mar 2011 391.28 ppm
Mar 2011 391.28 ppm
Mar 2011 391.28 ppm
Apr 2011 390.84 ppm
Apr 2011 390.84 ppm
Apr 2011 390.84 ppm
May 2011 391.24 ppm
May 2011 391.24 ppm
May 2011 391.24 ppm
Jun 2011 391.24 ppm
Jun 2011 391.65 ppm
Jun 2011 391.65 ppm
Jun 2011 391.65 ppm
Jul 2011 392.24 ppm
Jul 2011 392.24 ppm
Jul 2011 392.24 ppm
Aug 2011 392.03 ppm
Aug 2011 392.03 ppm
Aug 2011 392.03 ppm
Sep 2011 392.6 ppm
Sep 2011 392.6 ppm
Sep 2011 392.6 ppm
Sep 2011 392.6 ppm
Oct 2011 392.52 ppm
Oct 2011 392.52 ppm
Oct 2011 392.52 ppm
Nov 2011 392.63 ppm
Nov 2011 392.63 ppm
Nov 2011 392.63 ppm
Dec 2011 392.86 ppm
Dec 2011 392.86 ppm
Dec 2011 392.86 ppm
Jan 2012 392.86 ppm
Jan 2012 393.08 ppm
Jan 2012 393.08 ppm
Jan 2012 393.08 ppm
Feb 2012 393.21 ppm
Feb 2012 393.21 ppm
Feb 2012 393.21 ppm
Mar 2012 393.0 ppm
Mar 2012 393.0 ppm
Mar 2012 393.0 ppm
Apr 2012 393.65 ppm
Apr 2012 393.65 ppm
Apr 2012 393.65 ppm
Apr 2012 393.65 ppm
May 2012 393.73 ppm
May 2012 393.73 ppm
May 2012 393.73 ppm
Jun 2012 393.64 ppm
Jun 2012 393.64 ppm
Jun 2012 393.64 ppm
Jul 2012 394.12 ppm
Jul 2012 394.12 ppm
Jul 2012 394.12 ppm
Aug 2012 394.12 ppm
Aug 2012 394.36 ppm
Aug 2012 394.36 ppm
Aug 2012 394.36 ppm
Sep 2012 394.74 ppm
Sep 2012 394.74 ppm
Sep 2012 394.74 ppm
Oct 2012 394.63 ppm
Oct 2012 394.63 ppm
Oct 2012 394.63 ppm
Nov 2012 395.24 ppm
Nov 2012 395.24 ppm
Nov 2012 395.24 ppm
Nov 2012 395.24 ppm
Dec 2012 395.27 ppm
Dec 2012 395.27 ppm
Dec 2012 395.27 ppm
Jan 2013 395.63 ppm
Jan 2013 395.63 ppm
Jan 2013 395.63 ppm
Feb 2013 396.24 ppm
Feb 2013 396.24 ppm
Feb 2013 396.24 ppm
Mar 2013 396.24 ppm
Mar 2013 396.08 ppm
Mar 2013 396.08 ppm
Mar 2013 396.08 ppm
Apr 2013 395.8 ppm
Apr 2013 395.8 ppm
Apr 2013 395.8 ppm
May 2013 396.65 ppm
May 2013 396.65 ppm
May 2013 396.65 ppm
Jun 2013 396.48 ppm
Jun 2013 396.48 ppm
Jun 2013 396.48 ppm
Jun 2013 396.48 ppm
Jul 2013 397.12 ppm
Jul 2013 397.12 ppm
Jul 2013 397.12 ppm
Aug 2013 397.26 ppm
Aug 2013 397.26 ppm
Aug 2013 397.26 ppm
Sep 2013 397.24 ppm
Sep 2013 397.24 ppm
Sep 2013 397.24 ppm
Oct 2013 397.24 ppm
Oct 2013 397.24 ppm
Oct 2013 397.24 ppm
Oct 2013 397.24 ppm
Nov 2013 397.34 ppm
Nov 2013 397.34 ppm
Nov 2013 397.34 ppm
Dec 2013 397.78 ppm
Dec 2013 397.78 ppm
Dec 2013 397.78 ppm
Jan 2014 397.74 ppm
Jan 2014 397.74 ppm
Jan 2014 397.74 ppm
Jan 2014 397.74 ppm
Feb 2014 397.46 ppm
Feb 2014 397.46 ppm
Feb 2014 397.46 ppm
Mar 2014 398.38 ppm
Mar 2014 398.38 ppm
Mar 2014 398.38 ppm
Apr 2014 398.64 ppm
Apr 2014 398.64 ppm
Apr 2014 398.64 ppm
May 2014 398.64 ppm
May 2014 398.57 ppm
May 2014 398.57 ppm
May 2014 398.57 ppm
Jun 2014 399.11 ppm
Jun 2014 399.11 ppm
Jun 2014 399.11 ppm
Jul 2014 398.95 ppm
Jul 2014 398.95 ppm
Jul 2014 398.95 ppm
Aug 2014 399.2 ppm
Aug 2014 399.2 ppm
Aug 2014 399.2 ppm
Aug 2014 399.2 ppm
Sep 2014 399.2 ppm
Sep 2014 399.2 ppm
Sep 2014 399.2 ppm
Oct 2014 399.69 ppm
Oct 2014 399.69 ppm
Oct 2014 399.69 ppm
Nov 2014 399.62 ppm
Nov 2014 399.62 ppm
Nov 2014 399.62 ppm
Dec 2014 399.62 ppm
Dec 2014 399.88 ppm
Dec 2014 399.88 ppm
Dec 2014 399.88 ppm
Jan 2015 399.92 ppm
Jan 2015 399.92 ppm
Jan 2015 399.92 ppm
Feb 2015 399.78 ppm
Feb 2015 399.78 ppm
Feb 2015 399.78 ppm
Mar 2015 400.23 ppm
Mar 2015 400.23 ppm
Mar 2015 400.23 ppm
Apr 2015 400.23 ppm
Apr 2015 400.47 ppm
Apr 2015 400.47 ppm
Apr 2015 400.47 ppm
May 2015 400.71 ppm
May 2015 400.71 ppm
May 2015 400.71 ppm
Jun 2015 400.66 ppm
Jun 2015 400.66 ppm
Jun 2015 400.66 ppm
Jul 2015 400.66 ppm
Jul 2015 401.1 ppm
Jul 2015 401.1 ppm
Jul 2015 401.1 ppm
Aug 2015 401.03 ppm
Aug 2015 401.03 ppm
Aug 2015 401.03 ppm
Sep 2015 401.43 ppm
Sep 2015 401.43 ppm
Sep 2015 401.43 ppm
Oct 2015 401.88 ppm
Oct 2015 401.88 ppm
Oct 2015 401.88 ppm
Oct 2015 401.88 ppm
Nov 2015 402.22 ppm
Nov 2015 402.22 ppm
Nov 2015 402.22 ppm
Dec 2015 402.72 ppm
Dec 2015 402.72 ppm
Dec 2015 402.72 ppm
Jan 2016 402.46 ppm
Jan 2016 402.46 ppm
Jan 2016 402.46 ppm
Jan 2016 402.46 ppm
Feb 2016 403.41 ppm
Feb 2016 403.41 ppm
Feb 2016 403.41 ppm
Mar 2016 403.55 ppm
Mar 2016 403.55 ppm
Mar 2016 403.55 ppm
Apr 2016 404.78 ppm
Apr 2016 404.78 ppm
Apr 2016 404.78 ppm
May 2016 404.42 ppm
May 2016 404.42 ppm
May 2016 404.42 ppm
May 2016 404.42 ppm
Jun 2016 404.59 ppm
Jun 2016 404.59 ppm
Jun 2016 404.59 ppm
Jul 2016 404.23 ppm
Jul 2016 404.23 ppm
Jul 2016 404.23 ppm
Aug 2016 404.4 ppm
Aug 2016 404.4 ppm
Aug 2016 404.4 ppm
Aug 2016 404.4 ppm
Sep 2016 404.85 ppm
Sep 2016 404.85 ppm
Sep 2016 404.85 ppm
Oct 2016 405.22 ppm
Oct 2016 405.22 ppm
Oct 2016 405.22 ppm
Nov 2016 405.73 ppm
Nov 2016 405.73 ppm
Nov 2016 405.73 ppm
Dec 2016 405.33 ppm
Dec 2016 405.33 ppm
Dec 2016 405.33 ppm
Dec 2016 405.33 ppm
Jan 2017 406.05 ppm
Jan 2017 406.05 ppm
Jan 2017 406.05 ppm
Feb 2017 405.82 ppm
Feb 2017 405.82 ppm
Feb 2017 405.82 ppm
Mar 2017 406.06 ppm
Mar 2017 406.06 ppm
Mar 2017 406.06 ppm
Apr 2017 406.06 ppm
Apr 2017 406.38 ppm
Apr 2017 406.38 ppm
Apr 2017 406.38 ppm
May 2017 406.38 ppm
May 2017 406.38 ppm
May 2017 406.38 ppm
Jun 2017 406.69 ppm
Jun 2017 406.69 ppm
Jun 2017 406.69 ppm
Jul 2017 407.0 ppm
Jul 2017 407.0 ppm
Jul 2017 407.0 ppm
Jul 2017 407.0 ppm
Aug 2017 407.29 ppm
Aug 2017 407.29 ppm
Aug 2017 407.29 ppm
Sep 2017 407.16 ppm
Sep 2017 407.16 ppm
Sep 2017 407.16 ppm
Oct 2017 407.21 ppm
Oct 2017 407.21 ppm
Oct 2017 407.21 ppm
Nov 2017 407.21 ppm
Nov 2017 407.34 ppm
Nov 2017 407.34 ppm
Nov 2017 407.34 ppm
Dec 2017 407.71 ppm
Dec 2017 407.71 ppm
Dec 2017 407.71 ppm
Jan 2018 407.82 ppm
Jan 2018 407.82 ppm
Jan 2018 407.82 ppm
Feb 2018 407.61 ppm
Feb 2018 407.61 ppm
Feb 2018 407.61 ppm
Mar 2018 407.61 ppm
Mar 2018 408.06 ppm
Mar 2018 408.06 ppm
Mar 2018 408.06 ppm
Apr 2018 407.65 ppm
Apr 2018 407.65 ppm
Apr 2018 407.65 ppm
May 2018 407.98 ppm
May 2018 407.98 ppm
May 2018 407.98 ppm
Jun 2018 407.98 ppm
Jun 2018 408.6 ppm
Jun 2018 408.6 ppm
Jun 2018 408.6 ppm
Jul 2018 408.59 ppm
Jul 2018 408.59 ppm
Jul 2018 408.59 ppm
Aug 2018 409.17 ppm
Aug 2018 409.17 ppm
Aug 2018 409.17 ppm
Sep 2018 409.31 ppm
Sep 2018 409.31 ppm
Sep 2018 409.31 ppm
Sep 2018 409.31 ppm
Oct 2018 409.56 ppm
Oct 2018 409.56 ppm
Oct 2018 409.56 ppm
Nov 2018 410.24 ppm
Nov 2018 410.24 ppm
Nov 2018 410.24 ppm
Dec 2018 409.99 ppm
Dec 2018 409.99 ppm
Dec 2018 409.99 ppm
Jan 2019 409.99 ppm
Jan 2019 410.69 ppm
Jan 2019 410.69 ppm
Jan 2019 410.69 ppm
Feb 2019 411.05 ppm
Feb 2019 411.05 ppm
Feb 2019 411.05 ppm
Mar 2019 410.69 ppm
Mar 2019 410.69 ppm
Mar 2019 410.69 ppm
Apr 2019 410.73 ppm
Apr 2019 410.73 ppm
Apr 2019 410.73 ppm
May 2019 410.73 ppm
May 2019 411.38 ppm
May 2019 411.38 ppm
May 2019 411.38 ppm
Jun 2019 411.76 ppm
Jun 2019 411.76 ppm
Jun 2019 411.76 ppm
Jul 2019 411.63 ppm
Jul 2019 411.63 ppm
Jul 2019 411.63 ppm
Aug 2019 411.63 ppm
Aug 2019 412.18 ppm
Aug 2019 412.18 ppm
Aug 2019 412.18 ppm
Sep 2019 412.37 ppm
Sep 2019 412.37 ppm
Sep 2019 412.37 ppm
Oct 2019 412.12 ppm
Oct 2019 412.12 ppm
Oct 2019 412.12 ppm
Nov 2019 412.52 ppm
Nov 2019 412.52 ppm
Nov 2019 412.52 ppm
Nov 2019 412.52 ppm
Dec 2019 412.74 ppm
Dec 2019 412.74 ppm
Dec 2019 412.74 ppm
Jan 2020 413.27 ppm
Jan 2020 413.27 ppm
Jan 2020 413.27 ppm
Feb 2020 413.43 ppm
Feb 2020 413.43 ppm
Feb 2020 413.43 ppm
Mar 2020 413.43 ppm
Mar 2020 413.24 ppm
Mar 2020 413.24 ppm
Mar 2020 413.24 ppm
Apr 2020 413.63 ppm
Apr 2020 413.63 ppm
Apr 2020 413.63 ppm
May 2020 413.83 ppm
May 2020 413.83 ppm
May 2020 413.83 ppm
Jun 2020 414.2 ppm
Jun 2020 414.2 ppm
Jun 2020 414.2 ppm
Jun 2020 414.2 ppm
Jul 2020 414.28 ppm
Jul 2020 414.28 ppm
Jul 2020 414.28 ppm
Aug 2020 414.78 ppm
Aug 2020 414.78 ppm
Aug 2020 414.78 ppm
Sep 2020 415.13 ppm
Sep 2020 415.13 ppm
Sep 2020 415.13 ppm
Oct 2020 415.13 ppm
Oct 2020 414.87 ppm
Oct 2020 414.87 ppm
Oct 2020 414.87 ppm
Nov 2020 415.17 ppm
Nov 2020 415.17 ppm
Nov 2020 415.17 ppm
Dec 2020 415.01 ppm
Dec 2020 415.01 ppm
Dec 2020 415.01 ppm
Jan 2021 415.18 ppm
Jan 2021 415.18 ppm
Jan 2021 415.18 ppm
Jan 2021 415.18 ppm
Feb 2021 415.84 ppm
Feb 2021 415.84 ppm
Feb 2021 415.84 ppm
Mar 2021 416.15 ppm
Mar 2021 416.15 ppm
Mar 2021 416.15 ppm
Apr 2021 416.23 ppm
Apr 2021 416.23 ppm
Apr 2021 416.23 ppm
May 2021 416.23 ppm
May 2021 415.64 ppm
May 2021 415.64 ppm
May 2021 415.64 ppm
Jun 2021 416.55 ppm
Jun 2021 416.55 ppm
Jun 2021 416.55 ppm
Jul 2021 416.62 ppm
Jul 2021 416.62 ppm
Jul 2021 416.62 ppm
Aug 2021 416.47 ppm
Aug 2021 416.47 ppm
Aug 2021 416.47 ppm
Aug 2021 416.47 ppm
Sep 2021 416.91 ppm
Sep 2021 416.91 ppm
Sep 2021 416.91 ppm
Oct 2021 417.29 ppm
Oct 2021 417.29 ppm
Oct 2021 417.29 ppm
Nov 2021 417.05 ppm
Nov 2021 417.05 ppm
Nov 2021 417.05 ppm
Dec 2021 417.05 ppm
Dec 2021 417.46 ppm
Dec 2021 417.46 ppm
Dec 2021 417.46 ppm
Jan 2022 417.84 ppm
Jan 2022 417.84 ppm
Jan 2022 417.84 ppm
Feb 2022 418.36 ppm
Feb 2022 418.36 ppm
Feb 2022 418.36 ppm
Mar 2022 417.31 ppm
Mar 2022 417.31 ppm
Mar 2022 417.31 ppm