Year current US$ 1960 21469999.3133545 1961 23209999.084472697 1962 23770000.4577637 1963 30450000.762939498 1964 21750000 1965 28670000.0762939 1966 50229999.5422363 1967 14409999.8474121 1968 31899999.6185303 1969 32959999.084472697 1970 27620000.8392334 1971 30569999.6948242 1972 29729999.5422363 1973 50959999.0844727 1974 80949996.9482422 1975 165399993.89648402 1976 101150001.52587901 1977 234949996.94824198 1978 263040008.544922 1979 274089996.33789104 1980 479959991.455078 1981 382380004.88281304 1982 473880004.88281304 1983 341029998.779297 1984 347589996.33789104 1985 350709991.455078 1986 506500000 1987 587070007.324219 1988 431720001.220703 1989 419149993.89648396 1990 514809997.558594 1991 186419998.168945 1992 653659973.144531 1993 892119995.117188 1994 535119995.117188 1995 187929992.67578098 1996 88180000.3051758 1997 81180000.3051758 1998 81319999.6948242 1999 115699996.94824201 2000 102230003.35693401 2001 149300003.05175802 2002 152720001.220703 2003 176179992.67578098 2004 201279998.779297 2005 240220001.220703 2006 396170013.42773396 2007 393739990.234375 2008 765869995.117188 2009 658039978.027344 2010 505679992.675781 2011 1098979980.46875 2012 990460021.972656 2013 1054579956.05469 2014 1109199951.17188 2015 1260560058.59375 2016 1183640014.64844 2017 1760369995.11719 2018 1575180053.71094 2019 1719739990.23438 2020 3044709960.9375 2021 2407310058.59375 2022 1937760009.76563