Year current US$ 1971 9999.99977648258 1972 19999.9995529652 1973 19999.9995529652 1974 29999.999329447703 1975 19999.9995529652 1976 59999.9986588955 1977 119999.997317791 1978 180000.00715255702 1979 340000.00357627904 1980 439999.997615814 1981 949999.988079071 1982 959999.978542328 1983 449999.988079071 1984 939999.997615814 1985 750000 1986 509999.99046325695 1987 170000.00178813902 1988 39999.9991059303 1989 19999.9995529652 1990 90000.0035762787 1991 2420000.07629395 1992 3289999.96185303 1993 3329999.92370605 1994 7130000.11444092 1995 5590000.15258789 1996 10220000.2670288 1997 9340000.15258789 1998 6239999.771118159 1999 4610000.1335144 2000 5989999.771118159 2001 6539999.96185303 2002 4519999.98092651 2003 5019999.98092651 2004 4860000.1335144 2005 25909999.8474121 2006 11619999.8855591 2007 7260000.228881841 2008 3180000.0667572 2009 1190000.0572204601 2010 4360000.1335144 2011 12579999.923706101 2012 -1529999.97138977 2013 -259999.990463257 2014 -1399999.97615814 2015 -730000.019073486 2016 -670000.016689301 2017 1940000.0572204601 2018 5550000.19073486 2019 4760000.228881841 2020 5090000.15258789 2021 5510000.228881841 2022 2150000.09536743