Year current US$ 1960 8069999.694824221 1961 9390000.34332275 1962 7820000.17166138 1963 6150000.09536743 1964 8020000.45776367 1965 8199999.80926514 1966 7289999.96185303 1967 5940000.05722046 1968 3470000.02861023 1969 5099999.90463257 1970 2569999.9332428 1971 7420000.07629395 1972 5329999.92370605 1973 4630000.11444092 1974 1059999.9427795399 1975 13960000.038146999 1976 5760000.228881841 1977 4429999.82833862 1978 4360000.1335144 1979 26930000.3051758 1980 7829999.92370605 1981 10949999.8092651 1982 3200000.04768372 1983 1000000 1984 4780000.20980835 1985 -639999.985694885 1986 4119999.88555908 1987 2730000.01907349 1988 2019999.9809265102 1989 7929999.82833862 1990 9909999.84741211 1991 5480000.01907349 1992 5469999.79019165 1993 7329999.92370605 1994 6389999.8664856 1995 11670000.076293899 1996 7670000.07629395 1997 12149999.6185303 1998 6659999.84741211 1999 7460000.03814697 2000 7400000.09536743 2001 8539999.96185303 2002 4969999.79019165 2003 3849999.90463257 2004 4650000.09536743 2005 6050000.19073486 2006 850000.023841858 2007 449999.988079071 2008 4500000 2009 1519999.98092651 2010 2640000.10490417 2011 2650000.09536743 2012 7530000.20980835 2013 26100000.3814697 2014 30520000.4577637 2015 87769996.6430664 2016 235970001.220703 2017 78519996.6430664 2018 184270004.272461 2019 167440002.44140598 2020 104379997.253418 2021 85809997.55859381 2022 51700000.762939505