Year	current US$
1960	5250000
1961	5250000
1962	7000000
1963	10500000
1964	14000000
1965	11042370.370370371
1966	11745142.857142856
1967	12954285.714285715
1968	14289142.857142856
1969	15760000
1970	23718857.14285714
1971	26762285.714285713
1972	31896000
1973	35251043.41089146
1974	43443809.52380952
1975	48606984.12698413
1976	39043478.26086956
1977	61055555.55555555
1978	84177777.77777778
1979	100542222.22222222
1980	84777777.77777778
1981	87888888.8888889
1982	108000011.1111111
1983	90048413.1253362
1984	77186542.47765434
1985	90065456.95583726
1986	118244722.78181659
1987	109663321.46325672
1988	115887317.9244275
1989	113445139.82113484
1990	122448979.59183674
1991	125710059.33459312
1992	208350335.80889377
1993	192339373.97034594
1994	161084131.8277706
1995	190584485.7822372
1996	173740710.15689513
1997	163190009.93330494
1998	153205079.40586883
1999	146745688.12548798
2000	129325488.78127299
2001	136193171.5541639
2002	121605265.96528235
2003	137011139.6427186
2004	175978962.85799927
2005	157512940.54453722
2006	193553011.9241636
2007	257677892.85364223
2008	325590861.67785186
2009	350946684.50030744
2010	445037612.73833066
2011	512002976.4359469
2012	543664431.1179029
2013	605550994.203565
2014	700798049.874183
2015	695991577.2109926
2016	620745736.306907
2017	683246891.5368605
2018	699075588.0977676
2019	701966642.7927326
2020	830523730.2075319
2021	854181821.4300125
2022	1034184510.3492509
2023	805999580.4608462