Year	current US$
1969	319999.99284744303
1970	310000.002384186
1971	699999.988079071
1972	129999.995231628
1973	230000.004172325
1974	100000.00149011599
1975	9999.99977648258
1980	39999.9991059303
1981	1169999.95708466
1982	2230000.01907349
1983	2970000.02861023
1984	3920000.07629395
1985	3529999.97138977
1986	4019999.98092651
1988	3819999.9332428
1989	3549999.95231628
1990	4480000.01907349
1991	3549999.95231628
1992	2730000.01907349
1993	4449999.80926514
1994	4469999.79019165
1995	4929999.82833862
1996	3599999.90463257
1997	2630000.1144409203
1998	2240000.00953674
1999	2309999.94277954
2000	2160000.08583069
2001	2200000.04768372
2002	2470000.02861023
2003	2309999.94277954
2005	790000.021457672
2006	119999.997317791
2007	1600000.02384186
2008	2099999.90463257
2009	1840000.0333786
2010	3049999.95231628
2012	1711500.04863739
2013	667171.0014343259
2015	1239060.28270721
2017	2383310.0795745896
2018	3596317.0528411902
2019	2839079.3800354
2020	4328025.81787109
2021	7075920.10498047
2022	4387499.80926514