Year current US$ 1965 1539999.96185303 1966 1070000.05245209 1967 4250000 1968 7039999.96185303 1969 12659999.8474121 1970 17989999.7711182 1971 17090000.1525879 1972 24430000.3051758 1973 26450000.762939498 1974 32099998.4741211 1975 33200000.7629395 1976 29459999.084472697 1977 26719999.3133545 1978 36009998.3215332 1979 44189998.626709 1980 48049999.237060495 1981 44750000 1982 45900001.5258789 1983 38729999.5422363 1984 56490001.6784668 1985 46790000.9155273 1986 42009998.3215332 1987 48220001.220703095 1988 71660003.6621094 1989 83099998.4741211 1990 77379997.253418 1991 72870002.746582 1992 77019996.6430664 1993 85650001.5258789 1994 93050003.0517578 1995 107879997.253418 1996 84910003.6621094 1997 78550003.0517578 1998 74059997.55859381 1999 72279998.7792969 2000 72019996.6430664 2001 59209999.0844727 2002 71120002.746582 2003 86500000 2004 106110000.61035201 2005 184669998.168945 2006 240229995.727539 2007 335059997.558594 2008 325230010.986328 2009 342140014.64843804 2010 356200012.207031 2011 447459991.455078 2012 606400024.414063 2013 549330017.089844 2014 448000000 2015 372959991.455078 2016 252100006.10351598 2017 207529998.779297 2018 262720001.220703 2019 187520004.272461 2020 183539993.28613302 2021 327829986.57226604 2022 206779998.779297