Year current US$ 1960 29999.999329447703 1961 3259999.99046326 1962 5519999.98092651 1963 5559999.94277954 1964 16549999.2370605 1965 18270000.4577637 1966 19010000.2288818 1967 19829999.9237061 1968 21719999.3133545 1969 23750000 1970 22350000.3814697 1971 30409999.8474121 1972 30790000.915527303 1973 45279998.779296905 1974 78480003.3569336 1975 66730003.356933594 1976 60880001.0681152 1977 81599998.4741211 1978 123150001.52587901 1979 84739997.8637695 1980 34990001.6784668 1981 59560001.373291 1982 64150001.525878906 1983 87430000.3051758 1984 111410003.662109 1985 179050003.05175802 1986 160309997.55859402 1987 201789993.28613302 1988 260690002.441406 1989 250570007.32421902 1990 310579986.57226604 1991 262309997.558594 1992 236699996.94824198 1993 223470001.220703 1994 212289993.28613302 1995 235020004.272461 1996 295779998.779297 1997 227960006.71386698 1998 174440002.44140598 1999 187929992.67578098 2000 131330001.831055 2001 188600006.10351598 2002 229250000 2003 251990005.493164 2004 332079986.57226604 2005 386440002.441406 2006 290730010.986328 2007 342609985.35156304 2008 470950012.207031 2009 553750000 2010 490160003.66210896 2011 457660003.66210896 2012 475130004.88281304 2013 459339996.33789104 2014 391929992.675781 2015 606469970.703125 2016 624460021.972656 2017 648979980.46875 2018 875299987.792969 2019 641919982.910156 2020 1037589965.82031 2021 730440002.441406 2022 694119995.117188