Year	current US$
1991	39999.9991059303
1995	129999.995231628
1996	1269999.98092651
1997	3380000.1144409203
1998	4590000.15258789
1999	4420000.07629395
2000	3450000.04768372
2001	3359999.89509583
2002	4260000.228881841
2003	4900000.09536743
2004	5440000.05722046
2005	5489999.771118159
2006	5099999.90463257
2007	7750000
2008	5789999.96185303
2009	6349999.90463257
2010	6010000.228881841
2011	7500000
2012	6409999.84741211
2013	5289999.96185303
2014	5679999.82833862
2015	3980000.01907349
2016	3670000.07629395
2017	2450000.04768372
2018	4840000.15258789
2019	4420000.07629395
2020	3490000.00953674
2021	800000.011920929
2022	660000.026226044