Year constant 2015 US$ 1960 67394154.0952212 1961 59511370.82824773 1962 53580426.01343181 1963 30915291.06018664 1964 54691830.787097774 1965 58998606.883650124 1966 58866416.73729889 1967 58707875.324578136 1968 52231166.56141523 1969 50938733.69697691 1970 80899891.4985985 1971 72669546.10727796 1972 78160194.0850379 1973 113221028.61956036 1974 119751129.22805677 1975 92728819.57052895 1976 157659273.50651154 1977 101151875.77944471 1978 145313953.04410505 1979 196758883.21887437 1980 183134172.00537986 1981 185407159.2673857 1982 189318813.28139037 1983 171310657.3770862 1984 195907835.44945768 1985 247504669.8295602 1986 251351578.22368073 1987 279115061.8027738 1988 221543714.9123069 1989 232928477.72364163 1990 224735144.2184737 1991 207743276.87082717 1992 190085103.29887614 1993 156258833.32935688 1994 60841903.70367867 1995 66056709.32258129 1996 93847570.26094082 1997 122387179.46665248 1998 124712853.85293844 1999 175176186.58098933 2000 175524884.93105656 2001 245504285.06017816 2002 258016132.4369334 2003 310640907.44593155 2004 409250277.3700486 2005 454930908.2629048 2006 462799561.82034343 2007 666201962.2120398 2008 590136399.4333892 2009 571742561.4673417 2010 618906307.38203 2011 765535110.6193557 2012 834523473.3324966 2013 992108745.7798302 2014 1063942899.9617766 2015 1130492668.2925394 2016 1276683304.5241883 2017 1811742570.1576457 2018 2008733050.230671 2019 2408480150.527341 2020 2177456023.267324 2021 2230041799.1187487 2022 2884576131.0120907 2023 3628508002.403924