Year	thousand metric tons of CO2 equivalent
1990	183479.14645727
1991	200884.54748289997
1992	210224.88792749998
1993	217865.735651
1994	226508.133374
1995	234067.72681099994
1996	247561.72914899996
1997	252810.28148599993
1998	252874.33382199996
1999	254556.936158
2000	265696.888498
2001	273487.55495499994
2002	272142.17142800003
2003	287409.98788900004
2004	287696.50435299997
2005	290884.970813
2006	292478.299182
2007	287348.62755
2008	286905.95592
2009	286750.984287
2010	299050.804531
2011	294935.34520299995
2012	256967.03419899996
2013	250116.147636
2014	248953.761073
2015	243503.47451399997
2016	235989.898239
2017	241297.721962
2018	247715.54568600003
2019	254601.769412
2020	249599.893138