Year	thousand metric tons of CO2 equivalent
1990	57172.58250000002
1991	55977.972499999996
1992	58538.612499999996
1993	58368.192500000005
1994	58896.377499999995
1995	59412.3725
1996	60361.6425
1997	61790.924999999996
1998	62391.2975
1999	63597.7275
2000	63386.62
2001	62627.8975
2002	63346.57749999999
2003	63944.9525
2004	65721.615
2005	67113.17749999999
2006	68761.5425
2007	70267.1375
2008	67571.53
2009	66851.865
2010	66411.94
2011	68246.10999999999
2012	69522.0575
2013	68929.375
2014	64587.81999999999
2015	63520.2275
2016	64564.4875
2017	61405.43000000001
2018	60091.275
2019	59091.755000000005
2020	59937.20500000001