Year	current US$
1971	19999.9995529652
1982	9999.99977648258
1984	310000.002384186
1988	330000.013113022
1990	939999.997615814
1991	2009999.9904632599
1995	289999.99165535
1997	140000.000596046
2003	899999.976158142
2004	430000.00715255697
2007	50000.0007450581
2008	189999.99761581398
2009	3309999.94277954
2010	90000.0035762787
2011	519999.980926514
2012	870000.004768372
2013	2529999.97138977
2014	4710000.03814697
2015	189999.99761581398
2016	119999.997317791
2017	159999.99642372102
2018	310000.002384186
2019	300000.011920929
2020	170000.00178813902
2021	90000.0035762787
2022	29999.999329447703