Year	thousand metric tons of CO2 equivalent
1990	2940.798109
1991	2654.938262
1992	2771.543975
1993	2301.795554
1994	2337.007502
1995	2277.338041
1996	2264.76251
1997	2634.407501
1998	2119.847413
1999	2236.104179
2000	2386.464895
2001	2212.745209
2002	2404.831808
2003	2304.475075
2004	2641.992622
2005	2488.285731
2006	2916.26547
2007	3077.213907
2008	3419.853295
2009	2235.80726
2010	2505.505952
2011	2627.264016
2012	2331.787393
2013	1729.183521
2014	1696.115062
2015	1842.177293
2016	1613.27542
2017	1742.473695
2018	1741.031371
2019	1760.421047
2020	1773.064923