Year constant 2015 US$ 1970 183319526.98413867 1971 183319526.98413867 1972 202090495.86506099 1973 191339209.54850543 1974 253732054.5497913 1975 235851332.51850146 1976 224159574.72978795 1977 269469055.8908966 1978 282046448.4598683 1979 346122067.29254717 1980 329612421.62487304 1981 354231112.22575754 1982 364828198.40411913 1983 365065027.1120502 1984 383256978.42764586 1985 406391442.83063185 1986 413683356.48752695 1987 431613496.289595 1988 446736456.3205013 1989 470722507.9495234 1990 493685250.3740407 1991 520390922.0308647 1992 534795887.78265923 1993 546805475.1848543 1994 567353926.7249504 1995 600898286.1571277 1996 604465400.136144 1997 643721521.6848699 1998 693892693.3434936 1999 698396927.0946392 2000 672665847.4790896 2001 697992171.8581468 2002 709475074.29623 2003 742849008.46473 2004 767328028.4435078 2005 785596160.6047963 2006 808208879.0981749 2007 849122501.6428995 2008 869171131.829838 2009 872462929.5321321 2010 911891468.006362 2011 960727778.3554286 2012 1024777564.3336196 2013 1097605928.5800965 2014 1170276656.1283095 2015 1216032542.2247365 2016 1224601586.2334754 2017 1197202284.9541998 2018 1166475450.4135385 2019 1207671307.6392255 2020 1138106085.9413927 2021 1127051886.3291345 2022 1135628420.511059 2023 1157999366.5058494