Year	current US$
1984	50000.0007450581
1987	59999.9986588955
1988	100000.00149011599
1993	39999.9991059303
1994	119999.997317791
1995	150000.005960464
1996	19999.9995529652
1997	19999.9995529652
1998	19999.9995529652
1999	9999.99977648258
2007	140000.000596046
2008	230000.004172325
2009	159999.99642372102
2010	79999.9982118607
2011	-9999.99977648258
2013	9999.99977648258
2014	19999.9995529652
2015	9999.99977648258
2016	19999.9995529652
2017	29999.999329447703
2018	9999.99977648258
2019	9999.99977648258
2021	600000.023841858
2022	519999.980926514