Year thousand metric tons of CO2 equivalent 1970 165.00234253539838 1971 166.32093170776488 1972 165.19177660217383 1973 168.96947337951542 1974 170.56504070129085 1975 173.2666677764896 1976 177.60557405700592 1977 181.6141759704601 1978 184.80530969848814 1979 183.3355153869643 1980 183.43267847290144 1981 181.99726286544683 1982 188.06707853927446 1983 194.75889604415897 1984 241.32891587448194 1985 208.77497005310215 1986 207.82089909591832 1987 205.07069102707192 1988 208.33919907226573 1989 214.14539893188476 1990 -75.9664154052698 1991 -81.41570472716921 1992 -87.71738815307981 1993 -55.9255104064905 1994 -52.478050231929956 1995 -71.79059028625124 1996 -110.12774848937988 1997 -98.1309661865198 1998 -123.49448394775027 1999 -104.87145996094114 2000 -93.68601036072141 2001 -84.54970645904905 2002 -94.61504220962888 2003 -76.54105234146118 2004 -118.27149295806885 2005 -113.87312316894895 2006 -110.7003488540613 2007 -47.04387950896853 2008 -67.98963451385862 2009 -161.8609933853113 2010 -123.97048044205076 2011 -180.41512155532837 2012 -147.96163034439087 2013 -79.20852088928223 2014 -59.612250328063965 2015 -605.4099373817371 2016 1576.2133889198303