Year	current US$
1988	500000
1989	4610000.1335144
1990	6570000.17166138
1991	1840000.0333786
1992	1570000.05245209
1993	430000.00715255697
1994	439999.997615814
1995	1259999.9904632599
1996	3910000.08583069
1997	5099999.90463257
1998	2910000.08583069
1999	1379999.99523163
2000	289999.99165535
2001	1860000.01430511
2002	310000.002384186
2003	2450000.04768372
2004	5760000.228881841
2005	4050000.1907348596
2006	3869999.8855590797
2007	7989999.771118159
2008	3359999.89509583
2009	25079999.9237061
2010	3210000.03814697
2011	5449999.80926514
2012	1580000.04291534
2013	430000.00715255697
2014	1009999.99046326
2015	430000.00715255697
2016	829999.983310699
2017	660000.026226044
2018	829999.983310699
2019	750000
2020	1210000.03814697
2021	1549999.95231628
2022	1470000.02861023