Year	thousand metric tons of CO2 equivalent
1990	2459.931327
1991	1848.366539
1992	1699.482931
1993	1594.0914
1994	1530.9452
1995	1467.7096
1996	1521.2006
1997	1484.0102
1998	1471.7326
1999	1234.167
2000	1280.506
2001	1324.461
2002	1316.4448
2003	1250.5868
2004	1317.1302
2005	1227.0746
2006	1244.448
2007	1219.5054
2008	1208.3006
2009	1192.5662
2010	1180.7654
2011	1289.7738
2012	1312.839
2013	1349.3738
2014	1448.2204
2015	1384.2398
2016	1503.9762
2017	1391.3024
2018	1460.1106
2019	1452.5116
2020	1457.6372