Year	current US$
1991	2160000.08583069
1992	1779999.97138977
1993	4320000.17166138
1994	1250000
1995	3849999.90463257
1996	1169999.95708466
1997	1820000.05245209
1998	1769999.98092651
1999	2829999.92370605
2000	3819999.9332428
2001	2509999.99046326
2002	2549999.95231628
2003	5420000.07629395
2004	9510000.22888184
2005	7489999.771118159
2006	8020000.45776367
2007	11140000.3433228
2008	6550000.19073486
2009	9619999.88555908
2010	8840000.15258789
2011	6260000.228881841
2012	2849999.90463257
2013	370000.00476837205
2014	170000.00178813902
2019	449999.988079071
2020	319999.99284744303
2021	310000.002384186