Year	thousand metric tons of CO2 equivalent
1969	0
1970	1.3844687978
1971	1.4603473707
1972	1.4537687274
1973	1.4382388279
1974	1.2518419628
1975	1.37780917351
1976	1.434541306
1977	1.44843437357
1978	1.5874099289
1979	1.6085406666
1980	1.6322671583
1981	1.5992837876
1982	1.3837444859
1983	1.4904514366
1984	1.5466081443
1985	0.8598711149
1986	0.8226620257
1987	0.8585639441
1988	0.8529423824
1989	0.9963782943
1990	0.93972227208
1991	0.91669655274
1992	0.94470713594
1993	0.89575403216
1994	0.9052427335
1995	0.8648646135
1996	0.7559612508
1997	0.77110596507
1998	0.788288088
1999	0.7929729909
2000	0.8042261273
2001	0.8069180309
2002	0.8198679926
2003	0.8218087786
2004	0.81667463393
2005	1.39446119861
2006	1.68232655691
2007	2.1155860968
2008	2.4754542468