Year current US$ 1960 9999.99977648258 1962 70000.0002980232 1963 -59999.9986588955 1964 39999.9991059303 1965 29999.999329447703 1967 9999.99977648258 1968 19999.9995529652 1969 19999.9995529652 1970 19999.9995529652 1971 19999.9995529652 1972 310000.002384186 1973 200000.00298023198 1974 250000 1975 310000.002384186 1976 239999.994635582 1977 680000.007152557 1978 259999.990463257 1979 230000.004172325 1980 79999.9982118607 1981 400000.00596046395 1982 759999.990463257 1983 699999.988079071 1984 2529999.97138977 1985 2829999.92370605 1986 11720000.2670288 1987 6949999.80926514 1988 28340000.1525879 1989 14350000.3814697 1990 22270000.4577637 1991 25719999.3133545 1992 34849998.4741211 1993 19420000.0762939 1994 4840000.15258789 1995 5570000.17166138 1996 6070000.17166138 1997 7900000.09536743 1998 3460000.03814697 1999 9130000.11444092 2000 1759999.9904632599 2001 -389999.98569488496 2002 4570000.17166138 2003 2910000.08583069 2004 9510000.22888184 2005 4579999.92370605 2006 3640000.10490417 2007 7869999.88555908 2008 8710000.03814697 2009 7800000.19073486 2010 4820000.17166138 2011 9939999.5803833 2012 2529999.97138977 2013 2660000.08583069 2014 5900000.09536743 2015 5550000.19073486 2016 2579999.92370605 2017 5760000.228881841 2018 10500000 2019 5909999.84741211 2020 5860000.1335144 2021 4099999.90463257 2022 4829999.92370605