Year current US$ 1960 1819999.2720002912 1961 1819999.2720002912 1962 2939998.8240004703 1963 3079998.768000493 1964 3919998.4320006273 1965 2519998.9920004033 1966 2519998.9920004033 1967 3079998.768000493 1968 3079998.768000493 1969 5179997.928000829 1970 6579997.368001053 1971 6151979.049714982 1972 6764447.624312986 1973 15706979.8071644 1974 20604082.257383253 1975 17849705.47985958 1976 16445004.111251026 1977 27140006.785001695 1978 53245013.311253324 1979 34203341.23889728 1980 38133928.410932235 1981 39882621.08262108 1982 12472831.492628587 1983 25725697.872722376 1984 21939201.926146753 1985 17287581.186130773 1986 29169569.616530534 1987 42089445.50505812 1988 46074719.32747679 1989 52069469.47717924 1990 62992183.80711167 1991 63206986.52634704 1992 67715095.36769454 1993 62680376.84737656 1994 58340772.97553959 1995 71440068.2641846 1996 49237756.69293188 1997 69130235.88302161 1998 58579154.037672445 1999 51670959.44600231 2000 50484637.37141612 2001 44902301.05353638 2002 44982950.44933723 2003 92008247.729039 2004 160940460.7096415 2005 196514112.81191975 2006 220018728.3589028 2007 121175354.29321262 2008 112018777.36504632 2009 127189044.56319654 2010 219679485.77829996 2011 267342966.15655863 2012 283316658.54846567 2013 261040728.76507896 2014 263882131.71043107 2015 258355986.09319228 2016 235635993.36515424 2017 275645846.10652775 2018 311389658.6696948 2019 296183134.6761831 2020 241302312.6105581 2021 291189807.36977965 2022 310636888.96425843 2023 261568917.6419536