Year	thousand metric tons of CO2 equivalent
1990	308.8625
1991	330.41
1992	353.18
1993	377.8375
1994	405.445
1995	433.625
1996	465.1625
1997	496.875
1998	533.9925
1999	572.705
2000	600.825
2001	636.0325
2002	671.24
2003	706.3675
2004	709.6775
2005	813.16
2006	853.9075
2007	897.3275
2008	945.6575
2009	1106.855
2010	961.87
2011	967.185
2012	977.73
2013	1084.3825
2014	1168.7475
2015	1208.13
2016	1224.03
2017	1254.3925
2018	1260.5475
2019	1284.175
2020	1303.0725