Year	current US$
1965	33355527573.382412
1966	35719093594.068184
1967	38474318202.40331
1968	44168901220.23183
1969	49272971404.834274
1970	55493554807.399086
1971	63999373657.49213
1972	78443642840.62236
1973	107825541175.56589
1974	198498005682.44006
1975	216777972177.64108
1976	270073046985.57007
1977	313508260089.44196
1978	331514988248.8187
1979	434447515594.28516
1980	560256590116.5791
1981	573674761511.3247
1982	572709615901.0917
1983	581874653178.6095
1984	586005805091.197
1985	597081174396.3608
1986	604167750053.7759
1987	560688646894.6906
1988	555522112035.5695
1989	572244999588.4695
1990	745103071421.5896
1991	549381622873.5561
1992	600384966653.6757
1993	610560135336.3663
1994	646604925436.2045
1995	713738122654.6459
1996	794179404667.9052
1997	832657219644.1719
1998	814471742080.9606
1999	885972638010.7981
2000	992555771865.1019
2001	987483973174.6141
2002	979351629694.5853
2003	1090479523920.402
2004	1286313655244.4346
2005	1542092360435.5688
2006	1810948296494.2844
2007	2140272377688.6155
2008	2674260694118.6655
2009	2399657699929.6235
2010	2820272200083.8286
2011	3396706596374.7188
2012	3660136638354.701
2013	3601732090293.3154
2014	3627618410020.6787
2015	3201010427587.39
2016	3234258578074.412
2017	3372000244857.372
2018	3538057099135.2183
2019	3549945029851.9375
2020	3199081953495.5337
2021	3780277127064.963
2022	4497116837259.172
2023	4287684126920.0156