Year	current US$
1983	990000.009536743
1984	529999.971389771
1985	109999.999403954
1986	349999.99403953605
1987	379999.99523162795
1989	59999.9986588955
1991	550000.011920929
1992	9999.99977648258
1994	29999.999329447703
1996	90000.0035762787
2009	29999.999329447703
2011	150000.005960464
2012	460000.00834465
2013	379999.99523162795
2014	100000.00149011599
2015	100000.00149011599
2016	29999.999329447703
2017	230000.004172325
2018	109999.999403954
2019	70000.0002980232
2020	9999.99977648258
2021	19999.9995529652
2022	50000.0007450581