Year	current US$
1981	180000.00715255702
1982	600000.023841858
1983	239999.994635582
1984	129999.995231628
1985	59999.9986588955
1986	9999.99977648258
1987	9999.99977648258
1988	9999.99977648258
1990	79999.9982118607
1991	159999.99642372102
1992	29999.999329447703
1993	59999.9986588955
1994	90000.0035762787
1995	239999.994635582
1996	230000.004172325
1997	360000.01430511504
1998	389999.98569488496
1999	439999.997615814
2000	280000.001192093
2001	540000.021457672
2002	509999.99046325695
2003	349999.99403953605
2004	300000.011920929
2005	439999.997615814
2006	660000.026226044
2007	750000
2008	670000.016689301
2009	970000.028610229
2010	740000.009536743
2011	790000.021457672
2012	720888.97228241
2013	696478.009223938
2014	808049.440383911
2015	1033236.50360107
2016	729075.312614441
2017	546247.601509094
2018	514919.996261597
2019	855044.603347778
2020	792699.992656708
2021	858037.233352661
2022	1283949.97119904