Year current US$ 1960 354100006.10351604 1961 435899993.89648396 1962 357600006.10351604 1963 239399993.89648402 1964 182399993.89648402 1965 135100006.10351598 1966 97699996.9482422 1967 92000000 1968 110199996.94824201 1969 110400001.52587901 1970 99199996.9482422 1971 89599998.4741211 1972 84769996.6430664 1973 77529998.7792969 1974 64819999.694824204 1975 80309997.55859381 1976 69870002.746582 1977 64500000 1978 65870002.746582 1979 75410003.6621094 1980 75300003.0517578 1981 61459999.0844727 1982 44659999.8474121 1983 38959999.0844727 1984 38950000.762939505 1985 36779998.779296905 1986 45889999.3896484 1987 58299999.237060495 1988 55689998.626709 1989 55240001.6784668 1990 122180000.30517599 1991 171220001.220703 1992 223110000.61035198 1993 199509994.506836 1994 209259994.506836 1995 183869995.117188 1996 241110000.61035198 1997 136690002.44140598 1998 115849998.47412099 1999 74319999.6948242 2000 57299999.237060495 2001 63509998.3215332 2002 89580001.8310547 2003 125040000.915527 2004 172929992.67578098 2005 231830001.831055 2006 173419998.168945 2007 185179992.67578098 2008 121750000 2009 94489997.8637695 2010 69779998.7792969 2011 73290000.9155273 2012 57919998.1689453 2013 72069999.6948242 2014 61450000.762939505 2015 53360000.6103516 2016 88730003.3569336 2017 82550003.0517578 2018 77480003.3569336 2019 90660003.6621094 2020 94750000 2021 100029998.77929701 2022 129619995.117188