Year	thousand metric tons of CO2 equivalent
1990	15549.8486
1991	15292.6746
1992	15127.374
1993	14775.3466
1994	14451.6292
1995	14250.7176
1996	14551.6678
1997	14138.9676
1998	14209.832
1999	14299.9472
2000	14028.1414
2001	12660.6492
2002	13643.8406
2003	13281.5918
2004	13703.7088
2005	13049.3604
2006	12925.5712
2007	13029.2454
2008	12403.207
2009	11185.132
2010	11151.2494
2011	11149.4614
2012	11629.6884
2013	11588.1472
2014	11404.8176
2015	11546.7252
2016	11675.3718
2017	11567.8832
2018	11762.0004
2019	11756.4576
2020	11662.3194