Year current US$ 1960 88817131.80632684 1961 92564694.8545412 1962 93216643.35874648 1963 96209079.56271334 1964 86780649.91503887 1965 115652830.18867925 1966 123366037.73584905 1967 135396226.41509435 1968 139501886.79245284 1969 170973584.9056604 1970 202249056.6037736 1971 262140624.43167523 1972 272750565.184627 1973 366840495.7725255 1974 445611601.5132409 1975 424352392.0653442 1976 570863477.2462077 1977 745670945.1575263 1978 826592765.4609101 1979 1021551925.3208867 1980 1283943990.6651108 1981 761602094.6791561 1982 643473528.3953526 1983 760944977.9089086 1984 830908840.5924251 1985 1014649504.950495 1986 1114014336.9175627 1987 1229404173.9684563 1988 1129027576.1973875 1989 1396037479.965479 1990 1560594275.7264583 1991 1324249257.5349178 1992 1749935226.4699683 1993 2015162329.777001 1994 2178184932.134582 1995 2262670320.6591325 1996 2072976401.713928 1997 2529785100.171969 1998 3101095903.028889 1999 3004897026.043125 2000 3105823071.4818783 2001 3213685610.7276425 2002 3296917230.5597243 2003 3275598195.4547734 2004 3522980135.4097686 2005 3800536644.345861 2006 4789717400.293399 2007 6260577868.453424 2008 7580537376.414671 2009 5673480096.844246 2010 7469178976.26512 2011 8573125594.960008 2012 9377465211.067532 2013 9981274576.898542 2014 9999194028.16778 2015 10641405350.177958 2016 11115578801.375668 2017 10932147363.684597 2018 11466497274.018265 2019 10348109476.049053 2020 10085036678.224722 2021 12070862315.844372 2022 12651165672.613102 2023 13320491033.358988