Year current US$ 1970 339999.99240040744 1971 429999.99038875086 1972 650000.0040978193 1973 940000.0069290395 1974 1430000.0164657827 1975 2720000.0565499063 1976 1030000.0011920925 1977 1959999.961778521 1978 2070000.0133365393 1979 2589999.958872796 1980 6590000.038966538 1981 3809999.9781697965 1982 5299999.82379377 1983 6569999.959319833 1984 5100000.016391279 1985 4840000.072494152 1986 5040000.004693862 1987 5309999.99865889 1988 7819999.892264604 1989 17440000.008791685 1990 11659999.987110484 1991 10289999.958127744 1992 10819999.948143953 1993 8979999.957606193 1994 9439999.928697951 1995 8829999.93860722 1996 8409999.970346687 1997 6619999.945163734 1998 3810000.0582635403 1999 77089996.92089857 2000 86700002.48216099 2001 40610000.09998679 2002 43220000.43652953 2003 32250000.867992636 2004 39580000.02801418 2005 40910000.4769862 2006 51490001.777187005 2007 87549998.37651849 2008 80480003.17811966 2009 67629998.99499124 2010 138750002.13086557 2011 126990003.03260979 2012 139060003.6215041 2013 142189999.9808518 2014 112679999.36267729 2015 79039999.39933416 2016 67269998.74785545 2017 92959998.05070466 2018 68500000.85309152 2019 60769999.4537979 2020 90049999.14206569 2021 109130002.76871023 2022 77680003.36177647