Year current US$ 1969 159999.99642372102 1970 19999.9995529652 1971 19999.9995529652 1972 59999.9986588955 1973 330000.013113022 1974 180000.00715255702 1975 180000.00715255702 1976 239999.994635582 1977 170000.00178813902 1978 209999.993443489 1979 219999.998807907 1980 370000.00476837205 1981 1940000.0572204601 1982 1480000.01907349 1983 970000.028610229 1984 949999.988079071 1985 670000.016689301 1986 790000.021457672 1987 519999.980926514 1988 1740000.0095367401 1989 1340000.0333786 1990 610000.014305115 1991 889999.985694885 1992 1620000.00476837 1994 65860000.61035161 1995 98959999.0844727 2000 3289999.96185303 2001 6449999.80926514 2002 8899999.61853027 2003 7809999.94277954 2004 7239999.771118159 2005 70000.0002980232 2006 39999.9991059303 2008 569999.992847443 2009 39999.9991059303 2010 3829999.92370605 2013 170164.003968239 2015 10095241.5466309 2016 6131076.81274414 2017 12301320.0759888 2018 6371553.89785767 2019 387384.26566124003 2020 3381192.92259216 2021 28705490.112304702 2022 5285399.91378784