Year	thousand metric tons of CO2 equivalent
1990	505.727888
1991	552.91757
1992	529.734605
1993	529.331492
1994	521.4291
1995	537.32982
1996	573.030541
1997	549.231261
1998	569.231982
1999	572.832703
2000	577.432703
2001	617.632703
2002	643.332703
2003	685.432703
2004	695.932703
2005	734.532703
2006	770.826954
2007	794.921563
2008	797.416172
2009	805.110782
2010	846.705391
2011	825.505391
2012	831.605391
2013	849.805391
2014	840.105391
2015	863.805391
2016	856.505391
2017	852.505391
2018	844.505391
2019	843.205391
2020	769.505391