Year	current US$
1980	19999.9995529652
1984	39999.9991059303
1995	9999.99977648258
1998	50000.0007450581
2000	280000.001192093
2001	9999.99977648258
2002	79999.9982118607
2004	29999.999329447703
2005	109999.999403954
2006	469999.998807907
2009	800000.011920929
2010	330000.013113022
2014	479999.989271164
2015	250000
2020	479999.989271164
2021	300000.011920929
2022	159999.99642372102