Year thousand metric tons of CO2 equivalent 1970 2076365.7285540611 1971 1302555.6923687572 1972 1459463.6489672898 1973 1708405.880362407 1974 1269839.4180689435 1975 1416731.0421295909 1976 1304994.8231816401 1977 1642915.1649297182 1978 1793054.2306177674 1979 2027338.3777529849 1980 1958646.7861440142 1981 1716782.4042881257 1982 1903378.5021472687 1983 2403727.501942808 1984 1681912.8533333328 1985 1581653.178894247 1986 1617112.3782339965 1987 2147722.8014947698 1988 1621322.0512946695 1989 1508123.5907060017 1990 -6370.694819425351 1991 -1584.6316816769745 1992 -17217.43112493401 1993 -6567.664151236122 1994 -16030.246060778827 1995 -30183.939077124873 1996 -21341.033084337207 1997 -20636.787214541087 1998 -29349.415035311988 1999 -22348.54219330951 2000 -31991.528709276627 2001 -20392.09387163889 2002 -3964.6089210136956 2003 -20074.281326470402 2004 -15468.897987767163 2005 6594.90490075175 2006 11649.121798940505 2007 21313.51711962568 2008 2563.946862584605 2009 -3759.60675305722 2010 1152.3479802146044 2011 42664.2233230984 2012 48393.74566698838 2013 69084.79804921105 2014 91290.64997209253 2015 47831.619624007464 2016 47128.79934389487