Year current US$ 1960 19999.9995529652 1961 3140000.10490417 1962 5179999.82833862 1963 5559999.94277954 1964 4030000.2098083496 1965 4349999.90463257 1966 3970000.02861023 1967 4760000.228881841 1968 1850000.02384186 1969 8350000.38146973 1970 6150000.09536743 1971 5849999.90463257 1972 3890000.10490417 1973 11500000 1974 20709999.084472697 1975 15380000.1144409 1976 5460000.03814697 1977 14510000.2288818 1978 17629999.1607666 1979 20729999.5422363 1980 9090000.15258789 1981 11819999.6948242 1982 10279999.7329712 1983 15760000.2288818 1984 21950000.762939498 1985 19139999.3896484 1986 18200000.762939498 1987 36229999.5422363 1988 49810001.373291 1989 33150001.5258789 1990 20600000.3814697 1991 23239999.7711182 1992 11609999.6566772 1993 6559999.94277954 1994 37069999.6948242 1995 27000000 1996 42569999.6948242 1997 32669998.168945298 1998 32060001.373291 1999 14149999.6185303 2000 17809999.4659424 2001 38349998.4741211 2002 44139999.3896484 2003 41419998.1689453 2004 52819999.6948242 2005 84629997.253418 2006 57669998.1689453 2007 75199996.9482422 2008 148050003.05175802 2009 118970001.22070299 2010 101900001.52587901 2011 112349998.47412099 2012 121250000 2013 143229995.727539 2014 142250000 2015 170860000.61035198 2016 149520004.272461 2017 131460006.713867 2018 169410003.66210902 2019 90949996.9482422 2020 165710006.71386698 2021 87650001.5258789 2022 112510002.13623