Year	thousand metric tons of CO2 equivalent
1990	482.9686
1991	481.3296
1992	485.91880000000003
1993	518.3114
1994	535.5954
1995	569.5376
1996	566.5874
1997	570.2528000000001
1998	559.1970000000001
1999	537.4132
2000	510.47399999999993
2001	525.076
2002	540.0356
2003	498.9414
2004	538.337
2005	526.864
2006	515.689
2007	541.5256
2008	559.3758
2009	529.099
2010	532.8538
2011	545.8764
2012	553.2370000000001
2013	557.1110000000001
2014	385.0756
2015	394.2838
2016	350.00100000000003
2017	370.2054
2018	362.57660000000004
2019	367.31480000000005
2020	364.48380000000003