Year current US$ 1960 126271876.79006687 1961 174678730.6033168 1962 173017580.120399 1963 177791211.4649034 1964 190639574.52573913 1965 180697022.56174377 1966 198969377.47125116 1967 201513830.58954027 1968 288978829.11365384 1969 301745803.5001877 1970 301688940.7083683 1971 326227163.3891629 1972 417121328.05186474 1973 529963307.99956316 1974 757849592.6385608 1975 872642940.0190096 1976 936697269.6026316 1977 1126395026.0568347 1978 1060183571.0803168 1979 1264686528.0902023 1980 1496960300.0157778 1981 1822808298.8611555 1982 1504650625.714052 1983 1600297543.520777 1984 1482612971.3054888 1985 1294595860.3313577 1986 1524007491.5384636 1987 1626029778.6996045 1988 1643548736.2440803 1989 1691678612.0351057 1990 2049748974.70032 1991 1934759331.2576404 1992 2056499105.9167714 1993 1858224797.0696719 1994 1687427595.8933892 1995 2028765971.50684 1996 1849069200.9810216 1997 1746494219.1621459 1998 1920046181.2323558 1999 2009562329.2374275 2000 1859032675.4383948 2001 2083798869.7760684 2002 2349065891.459498 2003 2858883233.2564964 2004 3482299975.663428 2005 3863797089.928756 2006 4080719716.993208 2007 5418129805.681597 2008 7064428722.7767315 2009 5314157879.473471 2010 5235657921.392791 2011 6461833840.551081 2012 6976207984.906066 2013 7241502994.948626 2014 7258510977.44716 2015 6298158532.039061 2016 6197109691.577931 2017 7511561692.858992 2018 8978699797.559965 2019 9186797791.083677 2020 9651853852.839941 2021 12311805834.726816 2022 14686801640.620897 2023 13607821685.37495