Year current US$ 1961 9999.99977648258 1966 50000.0007450581 1967 9999.99977648258 1968 90000.0035762787 1969 79999.9982118607 1970 109999.999403954 1971 209999.993443489 1972 90000.0035762787 1973 119999.997317791 1974 409999.99642372096 1975 239999.994635582 1976 219999.998807907 1977 230000.004172325 1978 360000.01430511504 1979 670000.016689301 1980 519999.980926514 1981 439999.997615814 1982 680000.007152557 1983 1029999.97138977 1984 819999.992847443 1985 1000000 1986 1210000.03814697 1987 1860000.01430511 1988 1570000.05245209 1989 1909999.9666214 1990 2930000.0667572 1991 1549999.95231628 1992 3410000.08583069 1993 3400000.09536743 1994 3750000 1995 5969999.79019165 1996 5269999.98092651 1997 3099999.90463257 1998 4190000.05722046 1999 3650000.09536743 2000 5610000.1335144 2001 4750000 2002 8130000.11444092 2003 13729999.5422363 2004 8210000.038146971 2005 9579999.92370605 2006 9079999.92370605 2007 8720000.26702881 2008 7659999.84741211 2009 20030000.6866455 2010 14760000.2288818 2011 20620000.8392334 2012 20200000.762939498 2013 23989999.7711182 2014 26440000.5340576 2015 29639999.3896484 2016 34500000 2017 38569999.6948242 2018 40799999.237060495 2019 49250000 2020 42139999.3896484 2021 38169998.1689453 2022 35169998.1689453