Year	thousand metric tons of CO2 equivalent
1990	1186.399213
1991	1184.221319
1992	1211.351788
1993	980.0028
1994	1008.1042
1995	1021.246
1996	1197.0064
1997	1383.1372
1998	1469.1102
1999	1506.986
2000	1570.4302
2001	1416.394
2002	1387.0112
2003	1422.9202
2004	1439.3698
2005	1480.613
2006	1423.4864
2007	1534.7298
2008	1515.7472
2009	1521.3794
2010	1481.954
2011	1549.6
2012	1553.2654
2013	1566.5264
2014	1573.44
2015	1580.3536
2016	1595.4026
2017	1602.8824
2018	1619.1234
2019	1624.1596
2020	1633.1592