Year current US$ 1974 370000.0140815976 1975 29999.999329447783 1976 159999.99642372137 1977 59999.99865889545 1978 209999.99530613428 1979 389999.99687075586 1980 280000.00305473764 1981 370000.0029057259 1982 289999.99724328564 1983 330000.0000745058 1984 289999.9972432852 1985 229999.99858438974 1986 569999.9947100873 1987 770000.0032782553 1988 279999.99932944763 1989 219999.99508261686 1990 1959999.959915876 1991 6460000.153630975 1992 1119999.9880045657 1993 2639999.9354034695 1994 3749999.9813735485 1995 8860000.073909763 1996 17669999.746605754 1997 14899999.774992466 1998 10420000.094920397 1999 14100000.182166696 2000 15709999.963641165 2001 17140000.04716218 2002 29240000.205114532 2003 46790000.25987621 2004 40860000.329092145 2005 56700000.789016485 2006 61310000.83126132 2007 92119999.9693781 2008 101249999.02211134 2009 62349999.56004319 2010 44539999.993518025 2011 46919999.45789579 2012 39229999.111965254 2013 42119999.22804531 2014 44159999.02598556 2015 33470000.73082745 2016 39620000.35867097 2017 46900000.44554469 2018 43169999.14124606 2019 40709999.38622116 2020 40990000.331774354 2021 33629999.79779125 2022 93109998.92465772