Year current US$ 1963 -39999.9991059303 1964 920000.016689301 1965 1070000.05245209 1966 970000.028610229 1967 109999.999403954 1969 -409999.99642372096 1970 -409999.99642372096 1971 -330000.013113022 1972 9999.99977648258 1973 219999.998807907 1974 159999.99642372102 1975 189999.99761581398 1976 180000.00715255702 1977 189999.99761581398 1978 180000.00715255702 1979 250000 1980 189999.99761581398 1981 239999.994635582 1982 1429999.94754791 1983 180000.00715255702 1984 230000.004172325 1985 360000.01430511504 1986 610000.014305115 1987 910000.026226044 1988 699999.988079071 1989 -90000.0035762787 1990 430000.00715255697 1991 400000.00596046395 1992 790000.021457672 1993 649999.976158142 1994 779999.971389771 1995 589999.973773956 1996 750000 1997 889999.985694885 1998 759999.990463257 1999 750000 2000 469999.998807907 2001 500000 2002 529999.971389771 2003 550000.011920929 2004 469999.998807907 2005 889999.985694885 2006 579999.983310699 2007 1009999.99046326 2008 889999.985694885 2009 810000.002384186 2010 930000.007152557 2011 920000.016689301 2012 1529999.97138977 2013 1000000 2014 899999.976158142 2015 709999.978542328 2016 639999.985694885 2017 709999.978542328 2018 870000.004768372 2019 1820000.05245209 2020 1159999.9666214 2021 1139999.98569489 2022 1700000.04768372