Year current US$ 1961 19999.9995529652 1963 9999.99977648258 1964 59999.9986588955 1965 39999.9991059303 1966 50000.0007450581 1967 79999.9982118607 1968 469999.998807907 1969 680000.007152557 1970 629999.995231628 1971 740000.009536743 1972 889999.985694885 1973 3720000.02861023 1974 6010000.228881841 1975 2230000.01907349 1976 2920000.07629395 1977 5269999.98092651 1978 16180000.3051758 1979 9069999.69482422 1980 11800000.1907349 1981 7789999.96185303 1982 13550000.1907349 1983 16659999.847412098 1984 9029999.73297119 1985 8020000.45776367 1986 13880000.1144409 1987 7570000.17166138 1988 15689999.5803833 1989 62299999.237060495 1990 16530000.6866455 1991 17239999.7711182 1992 19120000.8392334 1993 13229999.5422363 1994 18850000.3814697 1995 12029999.7329712 1996 12260000.2288818 1997 16790000.915527303 1998 -2440000.05722046 1999 17479999.5422363 2000 7610000.1335144 2001 9699999.80926514 2002 25639999.3896484 2003 10329999.923706101 2004 11289999.961853001 2005 12479999.5422363 2006 13779999.7329712 2007 12880000.1144409 2008 17370000.8392334 2009 11609999.6566772 2010 7679999.82833862 2011 9300000.19073486 2012 24129999.1607666 2013 16770000.4577637 2014 14439999.5803833 2015 17059999.4659424 2016 16489999.7711182 2017 18649999.6185303 2018 26559999.4659424 2019 21920000.0762939 2020 25090000.1525879 2021 22030000.6866455 2022 23219999.3133545