Year	thousand metric tons of CO2 equivalent
1969	0
1970	0.0001619378
1971	0.00016180884
1972	0.000169911
1973	0.00016874664
1974	0.00013666164
1975	0.00013653144
1976	0.00013627352
1977	0.00013575644
1978	0.00010354062
1979	0.0004519831
1980	0.00024151356
1981	0.0004162308
1982	0.000520614
1983	0.0004957706
1984	0.0004189991
1985	0.0003474604
1986	0.0002811948
1987	0.0002200938
1988	0.00016404828
1989	0.00014287776
1990	0.00013394728
1991	0.00012501804
1992	0.00011608787
1993	0.00010715801
1994	9.822815E-05
1995	8.929829E-05
1996	8.929829E-05
1997	8.929829E-05
1998	8.929829E-05
1999	8.929829E-05
2000	8.929829E-05
2001	8.929829E-05
2002	8.929829E-05
2003	8.929829E-05
2004	8.929829E-05
2005	8.929829E-05
2006	8.929829E-05
2007	8.929829E-05
2008	8.929829E-05