Year constant 2010 US$ 1960 10375186644.3141 1961 11105244357.5176 1962 11939734438.5458 1963 12500383067.8961 1964 13259314395.7033 1965 14164165626.6493 1966 14905245071.5594 1967 15217335630.6852 1968 15508406817.5468 1969 16038582596.0076 1970 17771341498.2459 1971 18719620253.9505 1972 20138230914.9048 1973 22585007140.4179 1974 26113515910.7137 1975 24655016981.7764 1976 26514359597.653 1977 29978494551.5507 1978 32687862903.9769 1979 35975526869.7029 1980 41770455341.343 1981 45819134612.3995 1982 49220618608.5499 1983 51585268510.7572 1984 53805262363.7888 1985 50379050231.2875 1986 45738729316.0722 1987 46067121262.9226 1988 52809613858.6197 1989 60453443606.2215 1990 68843817019.0308 1991 79883307876.1914 1992 83273903821.6758 1993 93651901462.2334 1994 103457312005.216 1995 120613231753.128 1996 127481146595.883 1997 136968754400.671 1998 103114051473.099 1999 105634604513.986 2000 122986719754.121 2001 123252551674.894 2002 131005511129.738 2003 137642643910.465 2004 149483509329.111 2005 157335692434.262 2006 168330470522.492 2007 185354685107.572 2008 197416654559.002 2009 194355685200.708 2010 214428611343.951 2011 230091583620.502 2012 254418366396.573 2013 270538635869.734 2014 284920989724.007 2015 302004284250.722 2016 315475458694.235 2017 336335413368.104 2018 349761882586.694