Year current US$ 1974 319891430.8867991 1975 346731464.16389203 1976 337192489.0199941 1977 424168963.50365514 1978 552235315.5014691 1979 705981806.1692986 1980 1046450200.6504252 1981 1224325937.620683 1982 1478124654.8502371 1983 1743457189.6404371 1984 1824511000.00878 1985 1834443642.7097096 1986 1897776759.1107001 1987 2170549609.302399 1988 2281975726.6415133 1989 2778678463.4268637 1990 3769490272.1937256 1991 4284987030.617435 1992 4880302009.251332 1993 6294250989.182604 1994 9199557461.986053 1995 11438249616.924839 1996 14966160792.625381 1997 15568793452.276897 1998 11400286669.851849 1999 11973657894.736813 2000 13917157894.736837 2001 14446842105.263174 2002 14793500000.000021 2003 13521394736.842148 2004 17199155263.157875 2005 19636849542.125065 2006 20971151205.49336 2007 28988450885.73619 2008 30713609868.67537 2009 28249326863.28493 2010 34588498634.52855 2011 38751502013.221306 2012 40497797444.708984 2013 42004712299.85382 2014 41971813199.65224 2015 34841899760.83502 2016 35512657865.07473 2017 37022387968.29935 2018 40153787804.76698 2019 41002781581.075035 2020 22076344311.85054 2021 21169220552.79923 2022 31859241565.06128 2023 42671310759.9339