Year current US$ 1961 866155428.5714287 1962 880027733.3333334 1963 1026737600 1964 1025866792.1568627 1965 991047619.0476189 1966 1040952380.9523809 1967 1085714285.7142856 1968 1214666666.6666665 1969 1289904761.9047618 1970 1439238095.2380953 1971 1685162272.4065197 1972 2237556148.510846 1973 2730813385.3262362 1974 3545868575.146389 1975 4328965587.532659 1976 4508191942.160807 1977 5109324009.324009 1978 5968460080.1113 1979 7188863903.636748 1980 8744134354.161522 1981 8428445294.084292 1982 8133580051.70251 1983 8350582747.835413 1984 8254541194.825658 1985 8410226052.611397 1986 9017806654.416904 1987 9696715910.70907 1988 10096245762.435242 1989 10101851744.562693 1990 12290568181.818182 1991 13074782608.695652 1992 15496708060.41837 1993 14608335608.154287 1994 15633174304.090536 1995 18030876599.344402 1996 19587161806.765507 1997 20746210353.844986 1998 21802893587.125954 1999 22943202174.966805 2000 21473528160.778236 2001 22065832448.86228 2002 23141616604.524197 2003 27453902261.462925 2004 31183885241.439552 2005 32272186694.80428 2006 34376664600.589775 2007 38915353866.75699 2008 44859439902.21906 2009 43455740497.30611 2010 46206091937.96283 2011 48123325825.07389 2012 47311401812.67335 2013 48685446413.95297 2014 50271812920.612015 2015 45779494041.92953 2016 44360072680.44765 2017 42163530590.9462 2018 42686580020.83218 2019 41905540184.42405 2020 42491816475.71184 2021 46812290143.34397 2022 44579761022.899284 2023 48529595416.65326