Year	current US$
1970	109999.999403954
1971	129999.995231628
1972	209999.993443489
1973	159999.99642372102
1974	239999.994635582
1975	370000.00476837205
1976	500000
1977	560000.002384186
1978	620000.004768372
1979	409999.99642372096
1980	1049999.95231628
1981	1029999.97138977
1982	1049999.95231628
1983	1899999.97615814
1984	1779999.97138977
1985	3369999.8855590797
1986	3019999.98092651
1987	2470000.02861023
1988	2549999.95231628
1989	2660000.08583069
1990	4289999.96185303
1991	3640000.10490417
1992	3130000.1144409203
1993	2599999.90463257
1994	2779999.97138977
1995	3869999.8855590797
1996	3549999.95231628
1997	2609999.89509583
1998	2529999.97138977
1999	2170000.07629395
2000	1909999.9666214
2001	2299999.95231628
2002	2369999.8855590797
2003	2900000.09536743
2004	4769999.98092651
2005	8430000.30517578
2006	5750000
2007	11760000.2288818
2008	11090000.1525879
2009	13350000.3814697
2010	15510000.2288818
2011	13729999.5422363
2012	9414920.80688477
2013	14925723.0758667
2014	10285647.392272899
2015	19407775.8789063
2016	15562374.1149902
2017	15395489.692688001
2018	15574415.206909198
2019	19754999.1607666
2020	18149000.167846702
2021	19698999.4049072
2022	20701000.213623002