Year	thousand metric tons of CO2 equivalent
1990	70611.77137399997
1991	71574.38290300002
1992	71270.99683400002
1993	71837.107153
1994	71049.66998299999
1995	73064.655352
1996	74774.700798
1997	75378.935937
1998	75941.872262
1999	75886.95050500003
2000	82343.44591
2001	83452.69294100002
2002	85995.23889
2003	90169.23556500001
2004	96042.68503599995
2005	100524.99232000002
2006	105171.63394199999
2007	109672.00191399998
2008	113426.67134500002
2009	115338.51168599997
2010	121542.30713600002
2011	127116.19465700001
2012	131695.33835400004
2013	135317.18497300002
2014	136890.125603
2015	137357.989272
2016	138606.63079499998
2017	142069.03079499997
2018	146848.03079499994
2019	148786.230795
2020	142802.33079500005