Year current US$ 1964 9999.99977648258 1965 -9999.99977648258 1967 9999.99977648258 1969 219999.998807907 1970 200000.00298023198 1971 59999.9986588955 1972 70000.0002980232 1973 90000.0035762787 1974 550000.011920929 1975 569999.992847443 1976 419999.986886978 1977 340000.00357627904 1978 1539999.96185303 1979 4570000.17166138 1980 759999.990463257 1981 720000.028610229 1982 850000.023841858 1983 439999.997615814 1984 289999.99165535 1985 2329999.92370605 1986 419999.986886978 1987 8310000.419616699 1988 430000.00715255697 1989 379999.99523162795 1990 2069999.9332428002 1991 3920000.07629395 1992 1960000.03814697 1993 2690000.05722046 1994 2339999.91416931 1995 1220000.02861023 1996 3039999.96185303 1997 2660000.08583069 1998 1919999.95708466 1999 1639999.98569489 2000 949999.988079071 2001 689999.997615814 2002 1539999.96185303 2003 990000.009536743 2004 1700000.04768372 2005 1700000.04768372 2006 2740000.00953674 2007 3309999.94277954 2008 2160000.08583069 2009 2549999.95231628 2010 1519999.98092651 2011 2740000.00953674 2012 1169999.95708466 2013 1590000.0333786 2014 2059999.94277954 2015 2839999.91416931 2016 2190000.05722046 2017 6710000.03814697 2018 7989999.771118159 2019 3539999.96185303 2020 1529999.97138977 2021 2529999.97138977 2022 1769999.98092651