Year	current US$
1971	9999.99977648258
1973	39999.9991059303
1974	50000.0007450581
1976	19999.9995529652
1977	19999.9995529652
1978	29999.999329447703
1979	29999.999329447703
1980	29999.999329447703
1981	19999.9995529652
1982	100000.00149011599
1983	239999.994635582
1984	50000.0007450581
1985	19999.9995529652
1986	70000.0002980232
1987	59999.9986588955
1988	90000.0035762787
1989	100000.00149011599
1990	509999.99046325695
1991	2250000
1992	610000.014305115
1993	189999.99761581398
1994	250000
1995	740000.009536743
1996	800000.011920929
1997	720000.028610229
1998	699999.988079071
1999	550000.011920929
2000	629999.995231628
2001	589999.973773956
2002	490000.009536743
2003	250000
2004	180000.00715255702
2005	259999.990463257
2006	109999.999403954
2007	560000.002384186
2008	150000.005960464
2009	180000.00715255702
2010	310000.002384186
2011	899999.976158142
2012	1220000.02861023
2013	1610000.01430511
2014	1639999.98569489
2015	1470000.02861023
2016	1059999.9427795399
2017	1039999.96185303
2018	750000
2019	910000.026226044
2020	970000.028610229
2021	980000.019073486
2022	620000.004768372