Year	current US$
1991	349999.99403953605
1992	150000.005960464
1993	1450000.04768372
1994	1860000.01430511
1995	1490000.0095367401
1996	3150000.09536743
1997	2150000.09536743
1998	4769999.98092651
1999	9340000.15258789
2000	7900000.09536743
2001	5119999.88555908
2002	3210000.03814697
2003	7130000.11444092
2004	6909999.84741211
2005	9090000.15258789
2006	9369999.88555908
2007	13890000.3433228
2008	16389999.389648398
2009	11850000.3814697
2010	9449999.80926514
2011	12149999.6185303
2012	9600000.38146973
2013	15390000.3433228
2014	11779999.7329712
2015	7820000.17166138
2016	9399999.61853027
2017	11250000
2018	12609999.6566772
2019	6989999.771118159
2020	4000000
2021	1039999.96185303
2022	1429999.94754791