Year current US$ 1969 29999.999329447703 1970 50000.0007450581 1971 59999.9986588955 1972 79999.9982118607 1973 140000.000596046 1974 180000.00715255702 1975 209999.993443489 1976 360000.01430511504 1977 400000.00596046395 1978 280000.001192093 1979 949999.988079071 1980 1309999.9427795399 1981 2019999.9809265102 1982 3019999.98092651 1983 2569999.9332428 1984 2319999.9332428 1985 1789999.96185303 1986 1309999.9427795399 1987 1000000 1988 720000.028610229 1989 740000.009536743 1990 699999.988079071 1991 569999.992847443 1992 1259999.9904632599 1993 1830000.04291534 1994 2160000.08583069 1995 2890000.10490417 1996 3859999.89509583 1997 4139999.8664856004 1998 4130000.11444092 1999 3990000.00953674 2000 2519999.98092651 2001 2269999.98092651 2002 2799999.95231628 2003 2720000.02861023 2004 2730000.01907349 2005 939999.997615814 2006 1090000.0333786 2007 1049999.95231628 2008 1509999.9904632599 2009 2000000 2010 5980000.01907349 2011 9229999.54223633 2013 1793874.97901917 2015 6641771.31652832 2016 6514026.641845699 2017 5229279.9949646 2018 6090872.2877502395 2019 1189909.4581604 2021 9056670.18890381 2022 2107800.0068664597