Year current US$ 1960 9999.99977648258 1961 39999.9991059303 1962 59999.9986588955 1963 19999.9995529652 1964 370000.00476837205 1965 579999.983310699 1966 870000.004768372 1967 740000.009536743 1968 860000.014305115 1969 879999.995231628 1970 1720000.02861023 1971 1620000.00476837 1972 1769999.98092651 1973 1360000.01430511 1974 280000.001192093 1975 790000.021457672 1976 529999.971389771 1977 529999.971389771 1978 330000.013113022 1979 79999.9982118607 1980 939999.997615814 1981 3339999.91416931 1982 4940000.05722046 1983 1950000.04768372 1984 6530000.20980835 1985 2579999.92370605 1986 1659999.9666214 1987 2140000.10490417 1988 11609999.6566772 1989 6559999.94277954 1990 7119999.88555908 1991 5260000.228881841 1992 9119999.88555908 1993 3690000.05722046 1994 4710000.03814697 1995 1549999.95231628 1996 1669999.95708466 1997 3160000.08583069 1998 3460000.03814697 1999 2619999.8855590797 2000 1610000.01430511 2001 2599999.90463257 2002 6429999.82833862 2003 6739999.771118159 2004 10159999.8474121 2005 12829999.923706101 2006 14109999.6566772 2007 19989999.7711182 2008 21200000.762939498 2009 16850000.3814697 2010 5730000.01907349 2011 6400000.09536743 2012 13590000.1525879 2013 12359999.6566772 2014 7320000.17166138 2015 8710000.03814697 2016 5969999.79019165 2017 18670000.0762939 2018 15539999.961853001 2019 14050000.1907349 2020 14659999.8474121 2021 30389999.3896484 2022 22299999.237060502