Year	thousand metric tons of CO2 equivalent
1969	0
1970	0.748325688223787
1971	0.748325247167649
1972	0.845076371693469
1973	0.971603658142318
1974	0.817022912036746
1975	0.85904543868248
1976	0.708919191547503
1977	0.982652912496287
1978	0.716422816612212
1979	0.679638944744771
1980	0.738884629540672
1981	0.951280232367718
1982	1.02138001469894
1983	1.1386854263835
1984	1.08684050582914
1985	0.578573640108202
1986	0.464355547879025
1987	0.467889247649892
1988	0.9006047408688
1989	0.911193123062757
1990	0.914736032505835
1991	0.953913495030552
1992	0.957230720248441
1993	0.83071463872576
1994	0.904740177729028
1995	0.984721623302711
1996	0.967399658055332
1997	0.762860073666779
1998	0.706103174123563
1999	0.768085160718166
2000	0.742060863834175
2001	0.732290346738448
2002	0.730987193872576
2003	0.718124768237365
2004	0.781281843897824
2005	0.761045883755888
2006	0.753012703589171
2007	0.806633490266559
2008	0.845714657634786