Year	kt of CO2 equivalent
1980	296.815072
1981	435.136986
1982	545.431411
1983	701.192193
1984	729.28154
1985	848.25941
1986	971.81771
1987	971.41975
1988	1048.87422
1989	1020.73382
1990	1014.46011
1991	970.22494
1992	960.66803
1993	956.92728
1994	758.91542
1995	777.49719
1996	778.38643
1997	821.24715
1998	827.62176
1999	856.48506
2000	610.09538