Year	thousand metric tons of CO2 equivalent
1990	26966.1
1991	27818.399999999998
1992	28646.199999999997
1993	30052.7
1994	30581.7
1995	32376.3
1996	33240
1997	33474.3
1998	33684.9
1999	33516.4
2000	36870.82
2001	37389.81999999999
2002	38962.12
2003	42172.62
2004	46072.020000000004
2005	49186.619999999995
2006	51726.12
2007	53902.119999999995
2008	55162.01999999999
2009	56690.22000000001
2010	59936.9
2011	63592.399999999994
2012	65541.7
2013	67425.5
2014	67808.2
2015	67766.09999999999
2016	68319.50000000001
2017	69827.7
2018	72621.7
2019	73954.3
2020	73094.00000000001