Year	thousand metric tons of CO2 equivalent
1990	96.0752
1991	99.7108
1992	106.7436
1993	113.9254
1994	114.7598
1995	114.7598
1996	114.8194
1997	114.8194
1998	114.879
1999	114.9982
2000	107.578
2001	100.6644
2002	100.9624
2003	105.1642
2004	107.5184
2005	109.3958
2006	111.7798
2007	134.9344
2008	136.5436
2009	126.1136
2010	129.034
2011	133.0272
2012	134.4278
2013	135.4112
2014	136.7522
2015	120.4516
2016	93.6912
2017	97.744
2018	96.0752
2019	86.3902
2020	82.5758