Year	current US$
1960	16009999.999776483
1961	15000000
1962	9009999.999776483
1963	10109999.999403954
1964	11639999.995008111
1965	13149999.637156725
1966	9000000.206753615
1967	13780000.325292392
1968	15279999.878257556
1969	12460000.002756713
1970	13540000.045672063
1971	11249999.944120642
1972	18000000.009313222
1973	17249999.981373545
1974	20339999.93465841
1975	26870000.073686242
1976	44490000.09149313
1977	37190000.10751188
1978	26279999.91737307
1979	33470000.155270107
1980	33470000.006258488
1981	31410000.158473857
1982	31480000.084266063
1983	49610000.11861325
1984	40479999.8793751
1985	62720000.145956874
1986	111550000.20936133
1987	219989999.39300114
1988	196910000.41179347
1989	218439999.27490944
1990	160050000.5297363
1991	166089998.52463603
1992	184999999.23072758
1993	196219999.4958937
1994	175569999.59051606
1995	181180000.51565465
1996	171839999.66643748
1997	240540001.5264749
1998	215139998.85320663
1999	267200002.49147418
2000	251319999.16024512
2001	221659999.3426353
2002	231960002.90662038
2003	242340005.6511165
2004	227820003.40148792
2005	250649999.40246344
2006	479109993.7055262
2007	446000002.9243533
2008	508759992.5771359
2009	369379999.2408606
2010	387240002.28010124
2011	321710000.72173774
2012	295040000.61005354
2013	322519996.7548249
2014	262589998.9288296
2015	240489998.78577885
2016	250469998.19949242
2017	326909994.82013255
2018	367430007.9997626
2019	371979993.2837487
2020	327249996.3305888
2021	458180007.85075104
2022	393869996.4359406