Year current US$ 1962 368079365.0793651 1963 389333333.3333333 1964 416841269.8412698 1965 447111111.1111111 1966 479380952.3809524 1967 509468253.96825397 1968 540515873.015873 1969 582015873.0158731 1970 601769841.2698413 1971 681634920.6349206 1972 769595238.0952381 1973 988626984.1269841 1974 1355483451.2142856 1975 1581626984.1269841 1976 1756357142.857143 1977 2154658730.15873 1978 2654428571.428571 1979 3604626984.126984 1980 4724063492.063492 1981 6007793650.793651 1982 5832404411.764707 1983 6049444538.90411 1984 4699617263.233484 1985 3283930288.359428 1986 3670478265.539235 1987 3960603159.7904196 1988 3758092415.7380953 1989 3767886377.305434 1990 5048477056.269312 1991 6108191544.219741 1992 6429480736.919283 1993 6797390974.660322 1994 7984215113.715114 1995 8564984704.587829 1996 9548993563.38213 1997 9865052290.780857 1998 8549892385.264571 1999 8127400090.796295 2000 8145732428.184204 2001 7758414704.683226 2002 6080222281.229335 2003 6679033420.896154 2004 8539650598.184308 2005 9646009610.294714 2006 12374865381.76737 2007 16472751162.316128 2008 23606247777.801514 2009 21158585830.968086 2010 26437018834.29867 2011 33085976412.531487 2012 32863980452.765507 2013 36938954595.55825 2014 39632916592.848305 2015 35286516255.07454 2016 33734071146.1709 2017 36946490894.31295 2018 39566867868.75801 2019 37564129763.957924 2020 34092474484.372356 2021 39458740008.62129 2022 44050193865.64398 2023 42051378056.76803