Year current US$ 1964 9999.99977648258 1967 79999.9982118607 1968 1110000.01430511 1969 -119999.997317791 1970 9999.99977648258 1971 2369999.8855590797 1972 -170000.00178813902 1973 -119999.997317791 1974 39999.9991059303 1975 70000.0002980232 1976 59999.9986588955 1977 79999.9982118607 1978 50000.0007450581 1979 79999.9982118607 1981 219999.998807907 1982 250000 1983 250000 1984 439999.997615814 1985 589999.973773956 1986 2619999.8855590797 1987 2710000.03814697 1988 2839999.91416931 1989 3380000.1144409203 1990 2130000.1144409203 1991 1899999.97615814 1992 720000.028610229 1993 3970000.02861023 1994 9999.99977648258 1995 680000.007152557 1996 3210000.03814697 1997 360000.01430511504 1998 270000.010728836 1999 300000.011920929 2000 19069999.6948242 2001 209999.993443489 2002 2539999.96185303 2003 19999.9995529652 2004 9579999.92370605 2005 19999.9995529652 2006 109999.999403954 2007 1490000.0095367401 2008 1139999.98569489 2009 1789999.96185303 2010 2109999.89509583 2011 1200000.04768372 2012 769999.980926514 2013 1909999.9666214 2014 1419999.95708466 2015 2369999.8855590797 2016 1340000.0333786 2017 4809999.94277954 2018 2680000.0667572 2019 3750000 2020 4980000.01907349 2021 5500000 2022 3730000.01907349