Year constant 2010 US$ 1966 1685728126.12849 1967 2343092044.80017 1968 2173140138.85965 1969 3182808711.42191 1970 4512117527.79837 1971 4581384233.61529 1972 3775791199.65052 1973 3976660607.28977 1974 5243651769.87849 1975 6857290927.72578 1976 8099342205.26105 1977 10149204582.3866 1978 6972079063.60396 1979 6904120580.43185 1980 7649270439.17212 1981 7035367807.85813 1982 7697511149.19944 1983 6465012964.27296 1984 7745443355.19742 1985 8379092079.8432 1986 8400441497.3422 1987 8054121900.45922 1988 8566250710.55931 1989 10193604821.2947 1990 10370991435.3639 1991 10647295621.4947 1992 10795071872.4837 1993 10376581266.2384 1994 10460413183.4332 1995 11285862474.9022 1996 11774187582.6929 1997 12641931662.9946 1998 14914992048.9666 1999 14613914240.3157 2000 14878768842.1495 2001 16275121999.5677 2002 17117717950.9006 2003 20307826261.3555 2004 22213728443.3826 2005 22011780638.992 2006 23839437544.2122 2007 27028963868.0489 2008 33212348414.0779 2009 32325643137.0758 2010 31763056598.3938 2011 35029641411.9746 2012 34703133060.8676 2013 36438455119.078 2014 35637978134.9035 2015 35946675231.7972 2016 39486524289.173 2017 41049486769.7633 2018 42239921888.7965