Year current US$ 1965 26392978.85955692 1966 28260611.48318986 1967 26780535.45258458 1968 28186666.666666668 1969 31266666.666666668 1970 30453333.333333332 1971 40596366.14659454 1972 46868083.82782016 1973 68154392.92503512 1974 104480795.41912091 1975 113328054.43644875 1976 130603264.66805348 1977 151702627.53548443 1978 178797289.02690575 1979 205837035.76420873 1980 222110163.66030738 1981 214266652.2727244 1982 202389647.59670693 1983 240481347.60533416 1984 262586379.76662594 1985 248197688.42073792 1986 354962654.76470625 1987 472638914.24914956 1988 478494843.29331017 1989 346092945.79131144 1990 336750499.87412256 1991 302667507.548709 1992 332828981.7338352 1993 219928040.6555336 1994 244161198.58779553 1995 315223904.4675224 1996 484076354.0341651 1997 456509761.05688596 1998 496684961.4234183 1999 583351490.2010252 2000 631833355.9318007 2001 618901028.3417261 2002 631929161.7150413 2003 923482389.001397 2004 857444687.9740921 2005 1036783943.7310215 2006 1121733483.2408407 2007 1342046523.128291 2008 1432211137.7679389 2009 1221556140.0795805 2010 1176620155.3144295 2011 1338365701.1216097 2012 1567947799.8700383 2013 1576924501.345367 2014 1536507920.6701796 2015 1348576905.1207159 2016 1407099940.9066155 2017 1516062731.8964581 2018 1723651102.3072016 2019 1726424994.456062 2020 1596508304.912512 2021 1905548699.3791904 2022 2222973729.224584