Year	current US$
1991	39999.9991059303
1995	50000.0007450581
1996	239999.994635582
1997	70000.0002980232
1998	140000.000596046
1999	310000.002384186
2000	430000.00715255697
2001	50000.0007450581
2002	430000.00715255697
2003	649999.976158142
2004	1889999.98569489
2005	1330000.04291534
2006	1720000.02861023
2007	2109999.89509583
2008	3170000.07629395
2009	1419999.95708466
2010	6849999.90463257
2011	4230000.01907349
2012	3180000.0667572
2013	2829999.92370605
2014	2910000.08583069
2015	2299999.95231628
2016	3130000.1144409203
2017	1259999.9904632599
2018	1330000.04291534
2019	1870000.00476837
2020	1899999.97615814
2021	2400000.09536743
2022	2990000.00953674