Year	current US$
1968	19999.9995529652
1972	9999.99977648258
1973	9999.99977648258
1974	59999.9986588955
1975	29999.999329447703
1976	29999.999329447703
1977	39999.9991059303
1978	39999.9991059303
1979	209999.993443489
1980	109999.999403954
1981	119999.997317791
1982	70000.0002980232
1983	90000.0035762787
1984	930000.007152557
1985	79999.9982118607
1986	1629999.99523163
1987	1639999.98569489
1988	740000.009536743
1989	409999.99642372096
1990	2500000
1991	5139999.8664856
1992	1889999.98569489
1993	889999.985694885
1994	389999.98569488496
1995	140000.000596046
1996	689999.997615814
1997	-349999.99403953605
1998	589999.973773956
1999	389999.98569488496
2000	400000.00596046395
2001	610000.014305115
2002	910000.026226044
2003	1919999.95708466
2004	2140000.10490417
2005	2380000.1144409203
2006	2359999.89509583
2007	3170000.07629395
2008	6849999.90463257
2009	5840000.15258789
2010	6190000.05722046
2011	11369999.8855591
2012	12210000.038146999
2013	21680000.3051758
2014	33520000.4577637
2015	40299999.237060495
2016	39520000.4577637
2017	41709999.0844727
2018	47189998.626709
2019	44610000.6103516
2020	48500000
2021	45950000.762939505
2022	42790000.9155273