Year current US$ 1963 48986273.76904672 1964 46215841.83352222 1965 44578768.41707593 1966 43784599.89934575 1967 43143105.806291185 1968 44085652.124126874 1969 44373284.5379689 1970 55256219.19064542 1971 53431544.487314396 1972 69802613.72009152 1973 95313161.02258304 1974 130336989.38932776 1975 160606801.6980519 1976 163749074.03797418 1977 154015521.45099407 1978 166633009.39687353 1979 201018734.228106 1980 243897966.29440135 1981 221968180.27045718 1982 221833043.95200166 1983 186730841.08473775 1984 163749760.99139383 1985 186984744.53731686 1986 244614985.35572612 1987 246141440.58244592 1988 195712941.30149946 1989 232309265.68747544 1990 240100735.49471003 1991 252651471.51111647 1992 269336343.3313972 1993 278337760.0492939 1994 327139964.14240587 1995 338398515.8564863 1996 368417302.07368344 1997 309695741.7701352 1998 237565915.73355773 1999 317674684.2673098 2000 251523871.043514 2001 215031782.00151715 2002 244026247.19923174 2003 287891767.34705937 2004 334444893.24870163 2005 359863835.75609416 2006 380620725.5083179 2007 401442091.53573865 2008 376892639.76909083 2009 289601370.3533262 2010 294607218.4180528 2011 348375439.16858935 2012 384324649.5740248 2013 423735946.7427505 2014 393353732.35947853 2015 368587215.09513116 2016 525774432.184909 2017 563818131.2367705 2018 608741724.0751565 2019 614736716.8843817 2020 634933707.7330604 2021 657657344.3966169 2022 629639317.036786 2023 455350006.3841608