Year	thousand metric tons of CO2 equivalent
1970	4.592232360840171
1971	25.60202850341966
1972	48.0545953369101
1973	83.53521545409876
1974	100.26580566405937
1975	110.76713073729934
1976	139.88740661620977
1977	165.92047851561938
1978	190.1297534179712
1979	193.86396667480085
1980	231.56539062500042
1981	251.59392944335923
1982	269.22830505370985
1983	310.6038220214796
1984	318.03358398436876
1985	333.66095214843926
1986	365.78419250488014
1987	342.91958984375015
1988	403.87777160644964
1989	403.5240286254898
1990	9.569725036620184
1991	-16.425140380860284
1992	-12.699569702150256
1993	-3.3658294677697995
1994	-0.3537139892596315
1995	-8.132049560550513
1996	-2.7663116455096315
1997	-2.360382080079944
1998	22.1171875
1999	28.080322265619543
2000	115.35978698730105
2001	44.58314514159974
2002	61.4911041259802
2003	391.77233886719114
2004	229.29528808594114
2005	147.85690307617006
2006	132.55380249023074
2007	202.3779296875
2008	216.82089233398074
2009	155.1618347168005
2010	-2.280364990230737
2011	251.62219238280886
2012	99.46807861328125
2013	135.57034301757994
2014	142.80697631835938
2015	531.6275024414099
2016	574.5526428222693