Year	thousand metric tons of CO2 equivalent
1990	2333.463412
1991	2302.648757
1992	2301.28003
1993	2351.182324
1994	2371.368146
1995	2429.056398
1996	2513.092225
1997	2557.536124
1998	2631.775478
1999	2695.288094
2000	2760.802719
2001	2758.246344
2002	2804.485557
2003	2812.91039
2004	2936.217496
2005	2951.042353
2006	2968.787794
2007	3046.958034
2008	3121.957662
2009	3106.078518
2010	3143.384438
2011	3143.684628
2012	3184.758294
2013	3193.794791
2014	3148.002299
2015	3254.405039
2016	3315.30765
2017	3364.40765
2018	3377.50765
2019	3348.60765
2020	3152.60765