Year	thousand metric tons of CO2 equivalent
1990	1457512.4250182703
1991	1439494.1578849
1992	1383153.2015174998
1993	1398822.6152390004
1994	1380771.808608
1995	1422189.7484730002
1996	1445915.597139
1997	1443565.2689949996
1998	1450894.7913789996
1999	1475393.0437039998
2000	1541973.984810999
2001	1567429.9653370008
2002	1592296.3397600006
2003	1725831.8123999995
2004	1830621.4071809999
2005	1920080.57098
2006	1977156.977002999
2007	2033230.4247869991
2008	2059893.1381909996
2009	2037676.7309640003
2010	2142291.8661490004
2011	2202560.0757480008
2012	2241099.119294
2013	2250976.5476280004
2014	2259117.793889
2015	2250631.691903
2016	2242012.5622780006
2017	2289179.0130690006
2018	2363469.963866999
2019	2392295.014667
2020	2295818.0654650005