Year	thousand metric tons of CO2 equivalent
1969	0
1970	0.36775951
1971	0.367675314
1972	0.367683374
1973	0.376657626
1974	0.374573186
1975	0.37553617
1976	0.5970552361742
1977	0.600722166679
1978	1.303365984279
1979	1.532186201168
1980	1.525627483025
1981	1.738917661658
1982	1.861486694342
1983	1.811469473433
1984	1.946190529243
1985	2.053926243432
1986	1.498123084534
1987	2.090986394961
1988	2.243175252
1989	2.363589296
1990	2.29354771
1991	2.43949664
1992	2.50949402
1993	2.63385734
1994	2.8085043929
1995	2.94310032
1996	1.634615368
1997	9.496342716
1998	1.388215588
1999	1.256585868
2000	1.329304898704
2001	1.43872134972
2002	1.518238537576
2003	1.450047721171
2004	1.492276219391
2005	1.587286883886
2006	1.825484971969
2007	2.05369134614
2008	2.14825653614