Year	thousand metric tons of CO2 equivalent
1990	26377.2
1991	27286.799999999996
1992	28158.6
1993	29602.3
1994	30177.1
1995	31986.9
1996	32893.3
1997	33153.5
1998	33373.5
1999	33196.2
2000	36516.52
2001	37027.020000000004
2002	38612.82
2003	41817.12000000001
2004	45709.32000000001
2005	48812.619999999995
2006	51350.420000000006
2007	53581.920000000006
2008	54810.21999999999
2009	56414.12000000001
2010	59676.50000000001
2011	63396.1
2012	65339
2013	67269.00000000001
2014	67637.40000000001
2015	67621.59999999999
2016	68162.29999999999
2017	69566.5
2018	72376.1
2019	73685.69999999998
2020	72838.3