Year constant 2010 US$ 1969 2353903824.29036 1970 2757230803.95885 1971 3095656747.11175 1972 3218762397.64957 1973 3415234805.82745 1974 3865819104.28996 1975 4409000008.84295 1976 4922698297.90219 1977 5015905860.99434 1978 5420517929.71275 1979 6060832521.21605 1980 6349889483.22186 1981 6922316196.17579 1982 7214913344.75321 1983 7003969215.42653 1984 7790379876.71918 1985 8108864755.48867 1986 8952699944.7988 1987 8847719307.82996 1988 9541658123.81592 1989 10092318583.0432 1990 10992587630.8776 1991 11267574966.9995 1992 11675279434.3809 1993 12005711813.7279 1994 12313049144.2914 1995 12552360591.2772 1996 11969528670.025 1997 12831392719.6886 1998 12233929881.468 1999 13060284389.7071 2000 13200616961.5901 2001 12536139305.4217 2002 12644894949.4182 2003 12992228839.0216 2004 13714224262.6892 2005 13754486766.1599 2006 13802866004.9108 2007 14152336323.6046 2008 14513346087.7009 2009 15023548823.2927 2010 15056057218.8993 2011 14919641499.9033 2012 14820845527.8179 2013 14949413237.2558 2014 15635711183.6686 2015 15959836653.7549 2016 16315304628.5989 2017 16392232763.6019 2018 15975754911.2949