Year	current US$
1983	310000.002384186
1984	100000.00149011599
1985	129999.995231628
1986	119999.997317791
1987	59999.9986588955
1988	70000.0002980232
1989	29999.999329447703
1990	90000.0035762787
1991	9999.99977648258
1992	-9999.99977648258
1993	50000.0007450581
1997	9999.99977648258
1998	9999.99977648258
2003	270000.010728836
2005	569999.992847443
2006	560000.002384186
2007	920000.016689301
2008	819999.992847443
2009	419999.986886978
2010	209999.993443489
2011	1639999.98569489
2013	79999.9982118607
2015	389999.98569488496
2016	150000.005960464
2017	170000.00178813902
2018	540000.021457672
2019	589999.973773956
2020	639999.985694885
2021	200000.00298023198
2022	159999.99642372102