Year constant 2015 US$ 1960 26772695.956512887 1961 27768713.795789387 1962 37717021.43760356 1963 33216059.388981104 1964 30918631.244954083 1965 39076696.886927165 1966 41185276.16429787 1967 33326125.270413086 1968 39958329.38823518 1969 35882535.48732731 1970 40471985.1901068 1971 53066267.20901552 1972 73332671.36055788 1973 74796061.85836737 1974 83671563.17250334 1975 112906606.08782455 1976 121486750.31502402 1977 139790473.49839357 1978 136388715.30646446 1979 110723698.1031332 1980 163095491.2604119 1981 157019110.2085462 1982 263038224.91383684 1983 221524906.80307636 1984 296829453.3281432 1985 324444931.3508296 1986 306666039.23589593 1987 303203159.346765 1988 303414170.915672 1989 268353593.00175983 1990 216746547.65902755 1991 214406417.87823302 1992 226683984.07228184 1993 251946297.5970941 1994 45924184.336628556 1995 117467139.96717013 1996 128416721.31404051 1997 174911760.5720717 1998 226611678.90659177 1999 272097007.39720726 2000 317619646.4993916 2001 317966316.6295265 2002 342521920.31833047 2003 376399755.93659806 2004 421197109.066862 2005 488801333.966683 2006 628573287.8343463 2007 797446601.8412515 2008 1052439638.5857965 2009 1081474740.9527256 2010 1158161013.3573775 2011 1265480856.8859968 2012 1547077572.3885045 2013 1666515489.2032728 2014 1757066200.4643092 2015 2071091362.8157492 2016 2246254432.4943166 2017 2169850938.7964983 2018 2263569008.208972 2019 2969213100.1622834 2020 2576573090.9620967 2021 3065198131.927448 2022 2832712623.802548 2023 2996600040.4429393