Year	thousand metric tons of CO2 equivalent
1990	68.5
1991	68.7
1992	68.7
1993	68.6
1994	63.4
1995	74
1996	76.9
1997	79.7
1998	80.6
1999	81.9
2000	83.9
2001	86.1
2002	87.5
2003	88.3
2004	89.9
2005	91.8
2006	93.8
2007	99.1
2008	98.3
2009	101
2010	105.9
2011	109.5
2012	110
2013	109.5
2014	113.3
2015	120.9
2016	122.8
2017	124.2
2018	125.8
2019	127.3
2020	123.1