Year current US$ 1962 9999.99977648258 1963 39999.9991059303 1964 29999.999329447703 1967 70000.0002980232 1970 29999.999329447703 1971 29999.999329447703 1976 79999.9982118607 1977 9999.99977648258 1978 29999.999329447703 1979 79999.9982118607 1980 70000.0002980232 1981 519999.980926514 1982 280000.001192093 1983 1210000.03814697 1984 860000.014305115 1985 2000000 1986 939999.997615814 1987 1269999.98092651 1988 13340000.1525879 1989 1460000.03814697 1990 1210000.03814697 1991 2789999.96185303 1992 3099999.90463257 1993 1720000.02861023 1994 2200000.04768372 1995 2589999.91416931 1996 2220000.02861023 1997 2450000.04768372 1998 3210000.03814697 1999 4860000.1335144 2000 3759999.99046326 2001 6960000.03814697 2002 4300000.19073486 2003 7570000.17166138 2004 4300000.19073486 2005 7639999.8664856 2006 17590000.1525879 2007 7179999.82833862 2008 9750000 2009 12659999.8474121 2010 9710000.03814697 2011 11869999.8855591 2012 8399999.61853027 2013 10630000.1144409 2014 9670000.07629395 2015 8069999.694824221 2016 8579999.92370605 2017 11369999.8855591 2018 13489999.7711182 2019 11550000.1907349 2020 11859999.6566772 2021 16049999.2370605 2022 13439999.5803833