Year	current US$
1971	59999.9986588955
1972	359999.99195337325
1973	449999.99552965123
1974	290000.0065565105
1975	99999.99776482576
1976	119999.99731779099
1977	9999.99977648258
1978	39999.99910593036
1979	29999.99932944774
1980	2119999.9786913362
1981	639999.9856948855
1982	69999.9984353781
1983	559999.9949336054
1984	260000.0053644186
1985	1069999.9891221523
1986	139999.99687075586
1987	900000.0003725293
1988	6360000.062733886
1989	2330000.0205635997
1990	24820000.484585725
1991	98689995.70608138
1992	16329999.90135431
1993	10620000.002905715
1994	14280000.219121573
1995	21610000.552609574
1996	11510000.10408461
1997	24869999.71047043
1998	19490000.111982226
1999	4940000.275149929
2000	7229999.994859103
2001	9949999.898672113
2002	7569999.953731887
2003	10479999.925941234
2004	6079999.9870359935
2005	3319999.925792221
2006	3970000.0062584914
2007	3750000.0298023243
2008	5320000.022649769
2009	4939999.923110004
2010	4379999.965429305
2011	4099999.9642372117
2012	3140000.008046625
2013	4780000.068247326
2014	14479999.57203865
2015	9129999.831318859
2016	10470000.445842743
2017	24799999.95231636
2018	8150000.050663953
2019	6289999.917149543
2020	6849999.859929089
2021	4339999.973773954
2022	1209999.978542327