Year current US$ 1971 200000.00298023198 1973 29999.999329447703 1975 29999.999329447703 1976 29999.999329447703 1979 9999.99977648258 1980 129999.995231628 1981 159999.99642372102 1982 289999.99165535 1983 140000.000596046 1984 170000.00178813902 1985 349999.99403953605 1986 270000.010728836 1987 560000.002384186 1988 469999.998807907 1989 930000.007152557 1990 2259999.99046326 1991 2099999.90463257 1992 1570000.05245209 1993 569999.992847443 1994 579999.983310699 1995 1629999.99523163 1996 1509999.9904632599 1997 1240000.0095367401 1998 980000.019073486 1999 1029999.97138977 2000 1029999.97138977 2001 870000.004768372 2002 1139999.98569489 2003 1059999.9427795399 2004 879999.995231628 2005 13289999.961853001 2006 9890000.34332275 2007 7570000.17166138 2008 2359999.89509583 2009 8140000.34332275 2010 17040000.915527303 2011 10550000.1907349 2012 3640000.10490417 2013 3460000.03814697 2014 3720000.02861023 2015 689999.997615814 2016 439999.997615814 2017 250000 2018 129999.995231628 2019 50000.0007450581 2020 0 2022 3049999.95231628