Year current US$ 1965 79999.9982118607 1966 90000.0035762787 1967 180000.00715255702 1968 140000.000596046 1969 100000.00149011599 1970 109999.999403954 1971 119999.997317791 1972 119999.997317791 1973 170000.00178813902 1974 129999.995231628 1975 639999.985694885 1976 319999.99284744303 1977 1639999.98569489 1978 1899999.97615814 1979 4059999.94277954 1980 1779999.97138977 1981 6329999.92370605 1982 5360000.1335144 1983 6199999.80926514 1984 2599999.90463257 1985 4760000.228881841 1986 2890000.10490417 1987 1039999.96185303 1988 1129999.99523163 1989 2019999.9809265102 1990 2660000.08583069 1991 1960000.03814697 1992 1700000.04768372 1993 2029999.97138977 1994 3599999.90463257 1995 1860000.01430511 1996 1590000.0333786 1997 1769999.98092651 1998 1110000.01430511 1999 310000.002384186 2000 1210000.03814697 2001 1580000.04291534 2002 1840000.0333786 2003 889999.985694885 2004 1009999.99046326 2005 70000.0002980232 2006 1259999.9904632599 2007 1600000.02384186 2008 4280000.20980835 2009 9409999.84741211 2010 7300000.19073486 2011 15279999.7329712 2012 21309999.4659424 2013 40159999.8474121 2014 8670000.07629395 2015 7710000.03814697 2016 2599999.90463257 2017 7659999.84741211 2018 2680000.0667572 2019 2009999.9904632599 2020 2930000.0667572 2021 5750000 2022 7050000.19073486