Year	thousand metric tons of CO2 equivalent
1990	1216.7042
1991	1223.6476
1992	1239.2926
1993	1245.9678
1994	1253.1794
1995	1347.9732
1996	1299.1906
1997	1399.0206
1998	1307.3558
1999	1367.9988
2000	1423.8142
2001	1460.8854
2002	1551.239
2003	1573.6188
2004	1720.5328
2005	1560.4174
2006	1605.9816
2007	1514.0784
2008	1511.158
2009	1547.7226
2010	1538.2164
2011	1486.0068
2012	1523.4356
2013	1524.3892
2014	1590.6048
2015	1676.5778
2016	1521.7072
2017	1574.6618
2018	1706.5864
2019	1611.1668
2020	1593.4358