Year	thousand metric tons of CO2 equivalent
1970	705.024511718706
1971	1033.0365664062037
1972	1091.8458593750001
1973	1184.4573632811926
1974	1036.3218554687046
1975	1097.459335937494
1976	1133.055449218693
1977	1202.1783593749942
1978	1303.8918164062015
1979	1377.2311914061947
1980	1362.786796874997
1981	1380.0558593749993
1982	1330.7630664061962
1983	1420.485546875001
1984	1836.0664062500027
1985	1895.0269531250005
1986	1959.251367187494
1987	1463.3406249999925
1988	2279.431542968696
1989	2383.703710937505
1990	-1422.2490234375
1991	-994.2397460938009
1992	-1343.39453125
1993	-1089.0302734375
1994	-1147.763671875
1995	-1155.69140625
1996	-1170.3120117187937
1997	-1416.2099609375
1998	-1775.2431640625
1999	-1575.0092773437937
2000	-1626.548828125
2001	-1709.9501953125
2002	-1950.8149414062937
2003	-2000.1044921875
2004	-1727.6245117187937
2005	-2564.8276367187937
2006	-1973.5053710937937
2007	-2624.0756835937937
2008	-3889.2514648437937
2009	-2790.6181640625
2010	-3482.3779296875
2011	-4557.252441406294
2012	-6628.8251953125
2013	-6344.0712890625
2014	-6359.189453125
2015	-7723.857421875
2016	-8604.11328125