Year	thousand metric tons of CO2 equivalent
1990	109.0382
1991	120.6304
1992	127.4546
1993	137.378
1994	166.1946
1995	168.1018
1996	172.9294
1997	179.9622
1998	187.293
1999	156.3606
2000	166.9992
2001	197.9018
2002	204.0108
2003	190.0644
2004	186.4586
2005	198.2892
2006	203.9512
2007	201.6864
2008	209.494
2009	213.8448
2010	207.4378
2011	208.4212
2012	221.116
2013	222.5762
2014	230.95
2015	256.6376
2016	252.8828
2017	258.962
2018	263.7002
2019	286.4078
2020	256.0118