Year current US$ 1960 270000.010728836 1961 389999.98569488496 1962 600000.023841858 1963 949999.988079071 1964 959999.978542328 1965 1399999.97615814 1967 3000000 1968 7360000.1335144 1969 8159999.847412109 1970 6679999.82833862 1971 6849999.90463257 1972 7179999.82833862 1973 10270000.4577637 1974 7699999.80926514 1975 11930000.3051758 1976 15539999.961853001 1977 20360000.6103516 1978 13180000.3051758 1979 19700000.762939498 1980 31430000.3051758 1981 19909999.8474121 1982 17790000.915527303 1983 15479999.5422363 1984 17920000.0762939 1985 24610000.6103516 1986 35159999.8474121 1987 35099998.4741211 1988 53229999.5422363 1989 32279998.779296905 1990 48930000.3051758 1991 42500000 1992 45450000.762939505 1993 52259998.3215332 1994 25620000.8392334 1995 39060001.373291 1996 39299999.237060495 1997 35950000.762939505 1998 30940000.5340576 1999 18879999.1607666 2000 20719999.3133545 2001 20620000.8392334 2002 21309999.4659424 2003 28629999.1607666 2004 50759998.3215332 2005 68370002.746582 2006 41529998.779296905 2007 44720001.220703095 2008 46939998.626709 2009 44599998.4741211 2010 39419998.1689453 2011 40669998.1689453 2012 27229999.5422363 2013 29790000.915527303 2014 35209999.0844727 2015 34340000.1525879 2016 47130001.0681152 2017 79529998.7792969 2018 78720001.2207031 2019 76930000.3051758 2020 57919998.1689453 2021 85319999.6948242 2022 76550003.0517578