Year current US$ 1960 31089329.961776033 1961 31081090.392761886 1962 32979069.007817034 1963 36089934.25912216 1964 39199402.87115245 1965 37949749.26521744 1966 42331757.42647695 1967 47154291.745017655 1968 49280047.986163974 1969 46930193.34539552 1970 49203493.66367719 1971 55201175.10808908 1972 67452922.53217939 1973 85244154.7152156 1974 88490182.50032443 1975 111052577.79629691 1976 101694705.01282999 1977 118039876.85803263 1978 140922553.48476216 1979 171585736.71045905 1980 199262110.33528543 1981 157140439.68255675 1982 169808089.44009963 1983 159027555.0036162 1984 151731064.33396304 1985 160929602.3807776 1986 223571036.77908996 1987 274289422.39646703 1988 306813954.7948749 1989 309082872.7938517 1990 359943717.7311375 1991 308393723.17535126 1992 338129098.3017642 1993 301946677.7776452 1994 182491251.8391235 1995 221176696.6485436 1996 228324592.2612468 1997 212277713.96577585 1998 213576779.22064054 1999 196759128.8830932 2000 171217451.70147532 2001 162206955.50443247 2002 189992052.7246917 2003 219866469.97119108 2004 256571670.90121806 2005 405931920.7043094 2006 388531860.39639616 2007 432092416.8572679 2008 494903541.9483291 2009 513383747.6608725 2010 531002519.992845 2011 623700492.2323105 2012 672113877.4698749 2013 765056421.4642932 2014 816701149.128951 2015 722534115.7112424 2016 739357548.5332189 2017 865093247.3556967 2018 1002910606.013156 2019 1026861719.7245858 2020 1226052180.1597002 2021 1348655779.8725193 2022 1271991439.7178295 2023 1371558670.3300955