Year current US$ 1962 119999.997317791 1963 150000.005960464 1964 200000.00298023198 1965 189999.99761581398 1966 289999.99165535 1967 349999.99403953605 1968 330000.013113022 1969 289999.99165535 1970 180000.00715255702 1971 259999.990463257 1972 280000.001192093 1973 330000.013113022 1974 439999.997615814 1975 540000.021457672 1976 379999.99523162795 1977 289999.99165535 1978 419999.986886978 1979 620000.004768372 1980 5119999.88555908 1981 4630000.11444092 1982 1610000.01430511 1983 1210000.03814697 1984 340000.00357627904 1985 639999.985694885 1986 300000.011920929 1987 430000.00715255697 1988 1860000.01430511 1989 19530000.6866455 1990 9000000 1991 4690000.05722046 1992 12739999.7711182 1993 9890000.34332275 1994 12850000.3814697 1995 5599999.90463257 1996 9970000.26702881 1997 18510000.2288818 1998 4989999.771118159 1999 2359999.89509583 2000 3150000.09536743 2001 5969999.79019165 2002 1279999.97138977 2003 -27840000.1525879 2004 -19659999.8474121 2005 6380000.11444092 2006 879999.995231628 2007 550000.011920929 2008 1330000.04291534 2009 4389999.8664856 2010 579999.983310699 2011 2069999.9332428002 2012 2640000.10490417 2013 54830001.8310547 2014 92230003.3569336 2015 13930000.3051758 2016 7650000.09536743 2017 9649999.61853027 2018 13539999.961853001 2019 17399999.6185303 2020 24620000.8392334 2021 18809999.4659424 2022 9970000.26702881