Year current US$ 1960 433802816.90140843 1961 477464788.73239434 1962 395774647.8873239 1963 425352112.6760563 1964 415492957.74647886 1965 552112676.056338 1966 419718309.8591549 1967 348837209.30232555 1968 347058823.5294118 1969 399019607.84313726 1970 502941176.47058827 1971 491262135.92233014 1972 321804511.2781955 1973 494827586.20689654 1974 631055900.621118 1975 518085106.38297874 1976 443644067.7966102 1977 368285714.28571427 1978 354799301.9197207 1979 448717948.7179487 1980 406950207.46887964 1981 224767441.8604651 1982 120354808.59010272 1983 242989417.98941797 1984 475228310.5022831 1985 612106092.4369748 1986 1154912516.8236878 1987 1328870748.2993197 1988 1250692246.835443 1989 1278473225.8662221 1990 1522350993.3774834 1991 1685450044.8820827 1992 1845761703.101751 1993 2173595289.1122384 1994 2002227733.1324294 1995 2128504594.959721 1996 2779627874.5559382 1997 3651882360.983613 1998 3496235605.5821357 1999 3830248309.5374713 2000 3350776353.9168205 2001 3444719916.79522 2002 3383577207.4551654 2003 4320740016.89041 2004 5361446367.1282215 2005 6631794425.375797 2006 8325374081.937959 2007 10136811817.04426 2008 12757957187.997433 2009 11019356824.751043 2010 14779077373.647099 2011 19416125145.9104 2012 21795097067.347923 2013 22188740808.034927 2014 19505414912.439693 2015 21091211319.960308 2016 20603408036.74443 2017 22151752716.27637 2018 23220563122.570374 2019 26908214028.26368 2020 24550159768.421036 2021 25966879997.244087 2022 26327411331.657078 2023 26729508416.662506