Year	current US$
1978	90000.0035762787
1981	19999.9995529652
1982	9999.99977648258
1984	9999.99977648258
1987	270000.010728836
1988	239999.994635582
1989	129999.995231628
1990	109999.999403954
1991	219999.998807907
1992	180000.00715255702
1993	209999.993443489
1994	19999.9995529652
2002	19999.9995529652
2009	2349999.90463257
2010	9999.99977648258
2011	19999.9995529652
2012	109999.999403954
2013	100000.00149011599
2015	29999.999329447703
2017	50000.0007450581
2018	70000.0002980232
2019	779999.971389771
2020	1470000.02861023
2021	389999.98569488496
2022	189999.99761581398