Year	current US$
1970	180320037.8
1971	176046508.8
1972	228958923.3
1973	280555023.2
1974	308759124.8
1975	286614196.8
1976	305269104
1977	326544830.3
1978	415642852.8
1979	495797180.2
1980	631592773.4
1981	740711547.9
1982	771140441.9
1983	900273193.4
1984	956123474.1
1985	1009029114
1986	1053348999
1987	1396266846
1988	1884704224
1989	2402261230
1990	2369583740
1991	2484919434
1992	1926091797
1993	1101867798
1994	1276966675
1995	438888326.43968
1996	517894423.709037
1997	538747822.17049
1998	501585257.221363
1999	531812423.752442
2000	518334052.870813
2001	486744685.823923
2002	465722533.977934
2003	651572145.062106
2004	824729101.175224
2005	940407766.641077
2006	1014841490.87417
2007	1341851616.34835
2008	1526025147.3275
2009	1334648952.60383
2010	1864472761.35169
2011	2449287569.05191
2012	2440634974.57651
2013	2461137536.76136
2014	2329656676.96023
2015	2174651380.40477
2016	2056844753.41069
2017	2001928453.24729
2018	1867930551.38816
2019	1762645594.80965
2020	1197283915.031
2021	936423063.167017
2022	1307030458.6425
2023	1656239257.8125