Year	current US$
1972	150000.005960464
1974	209999.993443489
1975	1070000.05245209
1976	109999.999403954
1977	79999.9982118607
1978	239999.994635582
1979	1799999.95231628
1980	2309999.94277954
1981	1000000
1982	430000.00715255697
1983	400000.00596046395
1984	330000.013113022
1985	239999.994635582
1986	360000.01430511504
1987	2299999.95231628
1988	670000.016689301
1989	349999.99403953605
1990	239999.994635582
1991	1169999.95708466
1992	519999.980926514
1993	1009999.99046326
1994	529999.971389771
1995	810000.002384186
1996	449999.988079071
1997	270000.010728836
1998	400000.00596046395
1999	389999.98569488496
2000	330000.013113022
2001	360000.01430511504
2002	370000.00476837205
2003	2470000.02861023
2004	319999.99284744303
2005	239999.994635582
2006	8430000.30517578
2007	79999.9982118607
2008	39999.9991059303
2011	29999.999329447703
2012	29999.999329447703
2013	29999.999329447703
2014	19999.9995529652
2015	29999.999329447703
2016	29999.999329447703
2017	300000.011920929
2018	289999.99165535
2019	230000.004172325
2020	119999.997317791
2021	170000.00178813902
2022	109999.999403954