Year thousand metric tons of CO2 equivalent 1970 28812.87077467155 1971 28159.973518699644 1972 27873.389923614504 1973 30056.981449996947 1974 24030.458362174988 1975 25524.6194746933 1976 26131.49984566498 1977 30389.92095033264 1978 26143.62619458008 1979 28368.499690856934 1980 34776.20481295777 1981 29399.294202201843 1982 33775.02329217529 1983 31624.16219769287 1984 31494.3207041626 1985 28854.950108551024 1986 29117.913205551147 1987 30344.437011566166 1988 28242.178319335933 1989 30507.28170469665 1990 -9.876091003417969 1991 8.476985931395575 1992 7.940494537354425 1993 53.3169059753418 1994 47.45208930969238 1995 109.91769790649414 1996 42.76871871947969 1997 -38.53902053833008 1998 102.3144493103 1999 109.91773223876953 2000 132.13922882079987 2001 140.8755912780798 2002 151.82569122313998 2003 154.64945983886992 2004 166.87240982056028 2005 171.3613891601599 2006 204.46307373047057 2007 263.32044982909974 2008 306.9895172119104 2009 369.3713760376004 2010 429.56883239746 2011 164.3087005615198 2012 -163.61178588867006 2013 -156.4123306274396 2014 -64.11108398437955 2015 436.90747070312045 2016 1486.2907562255896