Year	current US$
1960	394792104.1579169
1961	538639227.2154558
1962	622637547.249055
1963	799034019.3196137
1964	1061528769.4246116
1965	1273414531.7093658
1966	1156446871.062579
1967	1236875262.4947503
1968	1221965560.6887863
1969	1196766064.6787066
1970	1435321293.5741286
1971	1479420411.5917683
1972	1173239194.076115
1973	723257353.6366216
1974	1072121212.1212121
1975	1638181818.181818
1976	2300000000
1977	2668787878.7878785
1978	2925252525.2525253
1979	3192424242.4242425
1980	3977373737.3737373
1981	4818888888.888888
1982	5174312796.20853
1983	4863070866.141732
1984	5135945384.387058
1985	5140171503.957784
1986	5427464352.138872
1987	5828138654.238276
1988	6338137282.825406
1989	6949816138.039829
1990	6921703360.912448
1991	7915231468.339208
1992	9087560779.221796
1993	9902076352.061726
1994	9325814175.423704
1995	10328873449.405678
1996	11003191882.538721
1997	10203480057.25749
1998	9356585924.41708
1999	8773132808.2574
2000	14525460256.100508
2001	13879113706.630024
2002	12977200389.736927
2003	15288048488.987535
2004	18431943720.68786
2005	21137209051.578907
2006	26825680041.96697
2007	29142018860.643005
2008	32931754774.44781
2009	29726261587.830563
2010	28034170568.58192
2011	29795536128.342392
2012	33661863195.91764
2013	34329971886.270668
2014	35816905434.35321
2015	42297655639.13763
2016	44633138409.585175
2017	49601655916.86641
2018	54695199610.75975
2019	44252276966.97267
2020	39372396457.53606
2021	44696187348.352394
2022	51257691156.11524
2023	40603507969.09864