Year	current US$
1985	1370000.00476837
1986	2359999.89509583
1987	6250000
1988	4090000.1525878897
1989	8270000.45776367
1990	6449999.80926514
1991	17540000.915527303
1992	9729999.54223633
1993	7949999.80926514
1994	9260000.22888184
1995	7920000.07629395
1996	7719999.79019165
1997	7550000.19073486
1998	6019999.98092651
1999	6849999.90463257
2000	6590000.15258789
2001	7059999.94277954
2002	7000000
2003	9600000.38146973
2004	5619999.88555908
2005	4000000
2006	4469999.79019165
2007	5610000.1335144
2008	6829999.92370605
2009	5760000.228881841
2010	3809999.94277954
2011	4599999.90463257
2012	5400000.09536743
2013	5239999.771118159
2014	5500000
2015	4269999.98092651
2016	2799999.95231628
2017	2400000.09536743
2018	1580000.04291534
2019	759999.990463257
2020	490000.009536743
2021	759999.990463257
2022	810000.002384186