Year	current US$
1970	109999.999403954
1971	180000.00715255702
1972	280000.001192093
1973	270000.010728836
1974	189999.99761581398
1975	170000.00178813902
1976	150000.005960464
1977	330000.013113022
1978	70000.0002980232
1979	39999.9991059303
1980	9999.99977648258
1984	159999.99642372102
1988	239999.994635582
1990	1100000.02384186
1991	3890000.10490417
1992	15289999.961853001
1993	6789999.96185303
1994	3279999.97138977
1995	4210000.03814697
1996	100000.00149011599
1997	7789999.96185303
1998	2710000.03814697
1999	9999.99977648258
2000	70000.0002980232
2001	3779999.97138977
2002	3819999.9332428
2003	7699999.80926514
2004	11130000.1144409
2005	6750000
2006	1019999.98092651
2007	2240000.00953674
2008	4510000.228881841
2009	4480000.01907349
2010	3430000.0667572
2012	70000.0002980232
2013	1769999.98092651
2014	1220000.02861023
2015	689999.997615814
2016	540000.021457672
2017	699999.988079071
2018	769999.980926514
2019	150000.005960464
2020	689999.997615814