Year	thousand metric tons of CO2 equivalent
1990	71498.7
1991	73576.3
1992	71709.5
1993	71780.3
1994	73115.9
1995	76533.2
1996	77547.9
1997	80422.9
1998	78906.1
1999	79559.1
2000	80399.6
2001	80775.7
2002	83127
2003	85532.6
2004	88318.8
2005	90413.7
2006	92922
2007	96343.7
2008	100143.7
2009	109328.2
2010	113336.5
2011	116208.7
2012	117705.5
2013	117785.6
2014	121175.9
2015	123530.1
2016	125023.3
2017	122510.1
2018	126486.1
2019	128043.2
2020	124659.1