Year current US$ 1965 38359984.65600614 1966 39759984.09600636 1967 39491525.89180426 1968 36239971.008023195 1969 38639969.088024735 1970 39839968.1280255 1971 40423484.11934552 1972 44297019.33174038 1973 47622306.630622 1974 53271569.19513608 1975 58482918.35552982 1976 52982049.79733642 1977 69774174.86971627 1978 88882455.12449335 1979 116676317.31325999 1980 152287203.24261725 1981 179791546.03358427 1982 191372321.94557035 1983 233063115.22872034 1984 257674502.09469104 1985 277363598.19916326 1986 251058950.42174762 1987 274122236.6710013 1988 321456436.9310793 1989 304551365.4096229 1990 302210663.1989597 1991 298569570.87126136 1992 290767230.1690507 1993 299349804.9414824 1994 327178153.4460338 1995 383094928.4785436 1996 382574772.4317295 1997 414824447.33420026 1998 448880624.18725616 1999 460458257.4772432 2000 437368530.55916774 2001 454084785.4356307 2002 467387516.25487643 2003 477361248.3745123 2004 479642132.6397919 2005 502434590.3771131 2006 521717555.26658 2007 579670741.2223667 2008 679853055.916775 2009 714483745.1235371 2010 810663198.9596878 2011 852795838.7516254 2012 887646293.8881664 2013 1027308192.4577373 2014 1031469440.8322496 2015 1361508452.5357606 2016 1491547464.2392716 2017 1604681404.4213264 2018 1692327698.3094928 2019 1756566970.0910273 2020 1874460858.2574773 2021 1870357607.2821846 2022 2110793237.9713914