Year current US$ 1960 29999.999329447703 1961 1129999.99523163 1962 2880000.1144409203 1963 2450000.04768372 1964 2079999.9237060498 1966 6250000 1967 5389999.8664856 1968 3930000.0667572 1969 4170000.07629395 1970 6360000.1335144 1971 7900000.09536743 1972 10789999.961853001 1973 21309999.4659424 1974 42060001.373291 1975 31590000.1525879 1976 32860000.6103516 1977 17860000.6103516 1978 32720001.220703095 1979 29139999.3896484 1980 9270000.45776367 1981 11750000 1982 12930000.3051758 1983 13270000.4577637 1984 16120000.839233398 1985 27500000 1986 26959999.084472697 1987 18569999.6948242 1988 21989999.7711182 1989 15750000 1990 42200000.762939505 1991 52490001.6784668 1992 43450000.762939505 1993 49169998.1689453 1994 43810001.373291 1995 40729999.5422363 1996 38659999.8474121 1997 40459999.0844727 1998 46009998.3215332 1999 19219999.3133545 2000 13310000.4196167 2001 38919998.1689453 2002 38880001.0681152 2003 57310001.373291 2004 88589996.3378906 2005 78459999.0844727 2006 87190002.44140631 2007 114709999.084473 2008 152889999.38964802 2009 64440002.44140631 2010 150789993.28613302 2011 135710006.71386698 2012 223839996.33789098 2013 182509994.506836 2014 261140014.648438 2015 227199996.94824198 2016 231029998.779297 2017 241339996.33789098 2018 239199996.94824198 2019 173089996.33789098 2020 237360000.61035198 2021 164160003.66210902 2022 171070007.32421902