Year	thousand metric tons of CO2 equivalent
1969	0
1970	724.134725187339
1971	725.304826118301
1972	730.216637295795
1973	738.122085504731
1974	714.925557040354
1975	716.273382592184
1976	744.018481000552
1977	763.735517593669
1978	754.914478847965
1979	711.291044437986
1980	655.879229597743
1981	676.337744566555
1982	728.86566134298
1983	780.056253904188
1984	800.734580750753
1985	809.950975917597
1986	827.313612841686
1987	743.423685294692
1988	790.80916053889
1989	831.918388039505
1990	853.700804415072
1991	861.426469741163
1992	656.694301340434
1993	662.158356807825
1994	667.522628574702
1995	598.270472129673
1996	593.998654410829
1997	612.676167892986
1998	609.089881628888
1999	597.120645079178
2000	611.530511973395
2001	615.734703604761
2002	613.661060950609
2003	621.389299104171
2004	574.30293553104
2005	556.835911120465
2006	529.991745483218
2007	509.280154602792
2008	485.500759950948