Year current US$ 1960 12012024.62465048 1961 11592023.763648715 1962 12642025.916153127 1963 13923028.542208511 1964 15393031.55571469 1965 15603031.986215571 1966 16443033.708219102 1967 16632032.13399743 1968 16074027.647327555 1969 16452028.297488673 1970 18432031.70309453 1971 21965950.771114245 1972 30645122.920472723 1973 36896280.47641036 1974 43134496.164536715 1975 47803145.948098496 1976 49278981.755070135 1977 64526401.463854425 1978 85552365.80051368 1979 127261099.22386363 1980 156783829.54028115 1981 163750728.2113406 1982 157211789.70543036 1983 156098236.95756954 1984 160992921.00134483 1985 179691482.68100184 1986 221147061.3483504 1987 265212956.9029187 1988 301985618.1115606 1989 324333366.4563774 1990 392163560.8799116 1991 398307169.86040515 1992 461409398.8558933 1993 504230620.5518714 1994 517570058.1510345 1995 540733047.7330477 1996 535250347.0894787 1997 598966982.3501863 1998 647287375.7625283 1999 662838614.8806738 2000 654212394.2716402 2001 662064155.9206917 2002 742134837.5091902 2003 750847230.0992627 2004 893012218.1818181 2005 977899381.8181819 2006 1081441283.3179822 2007 1077308813.829454 2008 979597394.2934532 2009 850901620.433301 2010 981616542.3284543 2011 1058918707.2612364 2012 1089407839.1970947 2013 1333160407.3851607 2014 1387577870.0816104 2015 1432403352.1294434 2016 1568513348.1446254 2017 1675370641.0141618 2018 1784313926.768066 2019 1868690096.7345412 2020 1382551751.5690813 2021 1487173794.8052788 2022 2057968519.830909 2023 2141450171.1393213