Year	kt of CO2 equivalent
1970	48.8704
1971	50.3535
1972	51.4655
1973	52.6127
1974	53.3593
1975	53.8737
1976	54.1588
1977	54.0095
1978	54.6061
1979	55.0441
1980	56.2086
1981	57.1744
1982	58.6616
1983	60.797
1984	62.6502
1985	65.6237
1986	68.6852
1987	71.9305
1988	75.9327
1989	79.9558
1990	84.9561
1991	88.9968
1992	92.988
1993	96.9551
1994	100.614
1995	103.76
1996	107.273
1997	109.757
1998	112.262
1999	114.338
2000	114.222
2001	115.698
2002	116.691
2003	118.447
2004	121.722
2005	126.258
2006	129.756
2007	134.62
2008	139.82
2009	143.61
2010	147.623
2011	149.09923
2012	150.57546