Year	current US$
1989	170000.00178813902
1990	70000.0002980232
1991	159999.99642372102
1992	200000.00298023198
1993	600000.023841858
1994	19999.9995529652
1995	2049999.9523162802
1996	2519999.98092651
1997	1779999.97138977
1998	1710000.03814697
1999	2309999.94277954
2000	2359999.89509583
2001	2180000.0667572
2002	2250000
2003	2859999.89509583
2004	3299999.95231628
2005	2509999.99046326
2006	15050000.1907349
2007	37299999.237060495
2008	51810001.373291
2009	24159999.8474121
2010	23389999.3896484
2011	24750000
2012	14350000.3814697
2013	10420000.076293899
2014	9970000.26702881
2015	12189999.5803833
2016	11079999.923706101
2017	9579999.92370605
2018	11560000.4196167
2019	10550000.1907349
2020	9569999.69482422
2021	6639999.8664856
2022	8890000.34332275