Year current US$ 1960 55019977.992008805 1961 59639976.144009545 1962 60899975.640009746 1963 63559974.576010175 1964 79939968.02401279 1965 85259965.89601365 1966 93519962.59201497 1967 120959891.3017963 1968 100079919.93606405 1969 104879916.09606712 1970 117360046.94401878 1971 136527049.64685482 1972 163396137.90946758 1973 162123226.9503546 1974 197560197.56019756 1975 262570262.57026258 1976 260370260.3702604 1977 237270237.2702373 1978 192392330.34590995 1979 202915040.87199637 1980 263104714.21674845 1981 349159659.1483199 1982 411020421.9106106 1983 411185700.15686643 1984 282590790.71645457 1985 279910725.0477552 1986 372702125.0921669 1987 461044929.462641 1988 505652326.64195347 1989 570583841.4299794 1990 539989782.8863347 1991 424269819.55492276 1992 438622304.5866125 1993 588010124.8369143 1994 555916014.2166764 1995 736182171.3814225 1996 788560036.1943965 1997 854242488.6667551 1998 969439124.4870042 1999 1014252891.203423 2000 1026131946.2053659 2001 1066217354.6756529 2002 1105379711.500811 2003 1159940876.5444043 2004 1297363278.058473 2005 1422286176.3870244 2006 1546851722.6354437 2007 1710901879.3197994 2008 1798114725.6956222 2009 1553289344.042582 2010 1865311799.445815 2011 2011678118.0425804 2012 2137751248.1661649 2013 2165205017.320933 2014 2128787381.8389635 2015 2272176392.345812 2016 2365201652.036697 2017 2706890475.957004 2018 2879496063.6295185 2019 2969865072.3549757 2020 2278142879.3625197 2021 2562946635.7302427 2022 3162387185.546579 2023 3343961076.186949