Year current US$ 1963 9999.99977648258 1965 19999.9995529652 1966 9999.99977648258 1967 59999.9986588955 1968 39999.9991059303 1969 59999.9986588955 1970 29999.999329447703 1971 39999.9991059303 1972 79999.9982118607 1973 39999.9991059303 1974 79999.9982118607 1975 119999.997317791 1976 90000.0035762787 1977 119999.997317791 1978 109999.999403954 1979 170000.00178813902 1980 289999.99165535 1981 870000.004768372 1982 800000.011920929 1983 2019999.9809265102 1984 939999.997615814 1985 2809999.94277954 1986 2470000.02861023 1987 3500000 1988 2150000.09536743 1989 3670000.07629395 1990 3710000.03814697 1991 2730000.01907349 1992 2000000 1993 860000.014305115 1994 13510000.2288818 1995 4760000.228881841 1996 6550000.19073486 1997 2130000.1144409203 1998 3440000.05722046 1999 2589999.91416931 2000 2339999.91416931 2001 2250000 2002 2670000.07629395 2003 2849999.90463257 2004 6199999.80926514 2005 5019999.98092651 2006 4269999.98092651 2007 6440000.05722046 2008 7019999.98092651 2009 6070000.17166138 2010 23020000.4577637 2011 17379999.1607666 2012 16360000.610351602 2013 21950000.762939498 2014 23620000.8392334 2015 19969999.3133545 2016 24809999.4659424 2017 22260000.2288818 2018 19629999.1607666 2019 22600000.3814697 2020 22409999.8474121 2021 35270000.4577637 2022 27469999.3133545