Year	thousand metric tons of CO2 equivalent
1990	26793.41145
1991	25602.53653
1992	26562.04594
1993	27571.04695
1994	24760.10542
1995	25120.32211
1996	25684.61342
1997	25765.15582
1998	27057.54244
1999	26999.5287
2000	26521.14692
2001	23954.28357
2002	24306.49216
2003	24802.18798
2004	24967.88875
2005	25377.85126
2006	26896.54394
2007	25678.14785
2008	23830.40083
2009	26781.49056
2010	26264.63608
2011	26143.69636
2012	28311.36589
2013	30776.93528
2014	30613.93845
2015	31017.92205
2016	33270.75082
2017	32868.7637
2018	33416.41659
2019	34965.32807
2020	38132.07296