Year	current US$
1972	189999.99761581398
1973	59999.9986588955
1974	9999.99977648258
1975	29999.999329447703
1976	50000.0007450581
1977	180000.00715255702
1978	90000.0035762787
1979	50000.0007450581
1980	29999.999329447703
1981	19999.9995529652
1984	9999.99977648258
1986	9999.99977648258
1987	9999.99977648258
1995	79999.9982118607
1996	90000.0035762787
1997	109999.999403954
1998	119999.997317791
1999	109999.999403954
2000	100000.00149011599
2001	70000.0002980232
2002	70000.0002980232
2003	419999.986886978
2004	589999.973773956
2005	750000
2006	649999.976158142
2007	870000.004768372
2008	3049999.95231628
2009	419999.986886978
2010	889999.985694885
2011	1269999.98092651
2012	1789999.96185303
2013	1220000.02861023
2014	2980000.01907349
2015	4530000.20980835
2016	6170000.07629395
2017	8960000.03814697
2018	12579999.923706101
2019	15680000.3051758
2020	18180000.3051758
2021	17969999.3133545
2022	12319999.6948242