Year	current US$
1988	29999.999329447703
1989	9999.99977648258
1990	50000.0007450581
1991	159999.99642372102
1992	129999.995231628
1993	129999.995231628
1994	159999.99642372102
1995	79999.9982118607
1996	109999.999403954
1997	159999.99642372102
1998	79999.9982118607
1999	100000.00149011599
2000	270000.010728836
2001	150000.005960464
2002	189999.99761581398
2003	239999.994635582
2004	349999.99403953605
2005	649999.976158142
2006	1110000.01430511
2007	649999.976158142
2008	1220000.02861023
2009	1070000.05245209
2010	1730000.01907349
2011	1850000.02384186
2012	430000.00715255697
2013	140000.000596046
2014	340000.00357627904
2015	490000.009536743
2016	370000.00476837205
2017	400000.00596046395
2018	340000.00357627904
2019	2589999.91416931
2020	3029999.97138977
2021	3259999.99046326
2022	2980000.01907349