Year	current US$
1981	50000.0007450581
1982	39999.9991059303
1983	50000.0007450581
1984	19999.9995529652
1986	159999.99642372102
1991	50000.0007450581
1992	19999.9995529652
1993	9999.99977648258
1994	9999.99977648258
1995	29999.999329447703
1997	419999.986886978
1998	319999.99284744303
1999	479999.989271164
2000	469999.998807907
2001	769999.980926514
2002	1279999.97138977
2003	1120000.00476837
2004	1500000
2005	1210000.03814697
2006	1080000.04291534
2007	649999.976158142
2008	180000.00715255702
2009	119999.997317791
2010	79999.9982118607
2013	50000.0007450581
2014	259999.990463257
2015	529999.971389771
2016	170000.00178813902
2017	649999.976158142
2018	709999.978542328
2019	460000.00834465
2020	839999.973773956
2021	1730000.01907349
2022	300000.011920929