Year	kt of CO2 equivalent
1970	1.46536462
1971	1.47249527
1972	1.4643149
1973	1.4627667
1974	1.4331322
1975	1.39619417
1976	1.39020967
1977	1.39735382
1978	1.44354566
1979	1.49485083
1980	1.55485728
1981	1.64348242
1982	1.74093503
1983	1.84959261
1984	1.95732595
1985	2.07624312
1986	2.15192742
1987	2.21036619
1988	2.25602787
1989	2.3167859
1990	2.39359482
1991	8.69606293
1992	9.31643117
1993	7.60220286
1994	7.83191107