Year current US$ 1960 469999.998807907 1961 500000 1962 360000.01430511504 1963 540000.021457672 1964 629999.995231628 1965 570000.02078712 1966 510000.009089708 1967 319999.99098479695 1968 240000.002086163 1969 179999.99783933198 1970 270000.005140901 1971 119999.99918043599 1972 1799999.9932944798 1973 4799999.87967312 1974 8629999.90023673 1975 21249999.7969717 1976 7790000.11458993 1977 8159999.979659921 1978 16440000.4222989 1979 20089999.9327958 1980 18659999.884665 1981 15450000.043958401 1982 18990000.1883507 1983 20380000.1628697 1984 19849999.6364117 1985 11799999.948591 1986 15749999.7653067 1987 20189999.6716529 1988 19939999.7219443 1989 14680000.2101809 1990 14900000.151246801 1991 29230000.4512072 1992 45259999.5452911 1993 29059999.3932992 1994 47009999.059140705 1995 58199999.1293997 1996 49740000.5888194 1997 59379999.5481968 1998 49769999.7015297 1999 53660000.1584738 2000 53030000.1874566 2001 50749999.1580844 2002 55969999.935478 2003 57749999.4169921 2004 67959999.9468774 2005 117260000.536218 2006 99550000.86501239 2007 150229997.858405 2008 157150000.26300502 2009 97049999.6524304 2010 151469997.48423702 2011 147009998.27124202 2012 122399997.94960001 2013 164739998.99625802 2014 153409995.732829 2015 107930000.573397 2016 120259999.96811199 2017 102150000.90002999 2018 87259999.9010563 2019 109750000.447035 2020 121699999.406934 2021 88230000.4754215 2022 136699999.15361398