Year	thousand metric tons of CO2 equivalent
1980	101.88954036426497
1981	141.82826406955695
1982	191.58102897834806
1983	248.959379766464
1984	160.75405383300793
1985	315.756711263657
1986	341.291068149567
1987	290.55966109180406
1988	407.21466223430593
1989	436.5191003341671