Year	current US$
1966	300000.011920929
1968	800000.011920929
1969	899999.976158142
1970	1200000.04768372
1971	1200000.04768372
1972	1639999.98569489
1973	3049999.95231628
1974	5110000.1335144
1975	11949999.8092651
1976	7500000
1977	6900000.09536743
1978	9180000.30517578
1979	11689999.5803833
1980	15800000.1907349
1981	21510000.2288818
1982	11840000.1525879
1983	9170000.07629395
1984	9369999.88555908
1985	15439999.5803833
1986	19979999.5422363
1987	31760000.2288818
1988	22069999.6948242
1989	17790000.915527303
1990	33919998.1689453
1991	39919998.1689453
1992	26700000.762939498
1993	30319999.6948242
1994	24260000.2288818
1995	5099999.90463257
1996	10329999.923706101
1997	10739999.7711182
1998	27899999.6185303
1999	5400000.09536743
2000	7530000.20980835
2001	6110000.1335144
2002	6610000.1335144
2003	7860000.1335144
2004	7309999.94277954
2005	9390000.34332275
2006	10579999.923706101
2007	5429999.82833862
2008	3990000.00953674
2009	3480000.01907349
2010	4119999.88555908
2011	5300000.19073486
2012	6230000.01907349
2013	6150000.09536743
2014	6300000.19073486
2015	4449999.80926514
2016	4159999.8474121103
2017	3650000.09536743
2018	3599999.90463257
2019	3579999.92370605
2020	51729999.5422363
2021	71459999.0844727
2022	41970001.220703095