Year	thousand metric tons of CO2 equivalent
1969	0
1970	160.9755709517
1971	160.99951084878
1972	154.754779086566
1973	163.336819592469
1974	149.591426032711
1975	155.078997143184
1976	152.738259503064
1977	150.611825789642
1978	159.033246461781
1979	150.571321084186
1980	139.567952110528
1981	143.106500768562
1982	137.294625700539
1983	169.280277668435
1984	173.146385278317
1985	178.451609079544
1986	179.858750801163
1987	183.810020680536
1988	188.898151610086
1989	167.57130358946
1990	164.513034821661
1991	169.998689648229
1992	170.145008341737
1993	164.407404186948
1994	156.38396800045
1995	153.213625607872
1996	153.357655009997
1997	153.16639563642
1998	153.041061133789
1999	152.90192892498
2000	152.703595641032
2001	152.758292692897
2002	154.396094383018
2003	154.342532525642
2004	154.574983182064
2005	154.809583042037
2006	154.806948256681
2007	154.81627953437
2008	154.820228036937