Year current US$ 1965 13030000.4351884 1966 14239999.7729808 1967 24419999.1431087 1968 8009999.990463261 1969 9029999.874532219 1970 7869999.98055398 1971 10529999.9080598 1972 14150000.132620301 1973 12119999.922812 1974 53340000.3910065 1975 44290000.6771088 1976 22280000.1427531 1977 22580000.10252 1978 30489999.383688003 1979 52040001.1241436 1980 29050000.566989202 1981 58440000.3049523 1982 58419998.8842011 1983 28629999.756813 1984 45809999.7639656 1985 15059999.998658901 1986 16030000.492930401 1987 15539999.7700006 1988 21250000.4414469 1989 57000000 1990 47319999.486208 1991 48849999.9046326 1992 39509999.5136261 1993 43090000.2121925 1994 52529999.673366494 1995 51499999.7317791 1996 57759999.9904633 1997 49359999.8056889 1998 42819999.873638205 1999 31779999.6286631 2000 46639999.4492531 2001 46049999.7138977 2002 54500000.2384186 2003 42830000.2217293 2004 87400001.2874603 2005 109510000.10967301 2006 90899998.8436699 2007 126470002.412796 2008 250990000.24795502 2009 246359998.941422 2010 376670000.076294 2011 436340001.10626197 2012 574189991.969615 2013 358710006.23702997 2014 402599999.427795 2015 257460000.991821 2016 164639996.528625 2017 205730000.37670103 2018 217090000.271797 2019 178730003.11851498 2020 163270002.72274 2021 224459997.415543 2022 249360002.39849088