Year	current US$
1990	2100000.0219792114
1991	2150000.032037496
1992	3850000.0182539215
1993	6110000.019893054
1994	6990000.059828156
1995	7909999.908879396
1996	13260000.102221953
1997	16480000.087991362
1998	19700000.092387185
1999	22790000.440552823
2000	23170000.055804852
2001	22169999.98688698
2002	24510000.202804815
2003	25250000.40978191
2004	33040000.105276756
2005	28560000.298544712
2006	34890000.44949351
2007	36710000.38273634
2008	46570001.0657311
2009	30369999.885559116
2010	29720000.226050653
2011	25600000.210106365
2012	31750000.555068284
2013	28899999.896064386
2014	26940000.15780329
2015	20080000.139772903
2016	14520000.20630657
2017	13200000.083073974
2018	12570000.190287832
2019	11190000.079572199
2020	8240000.01326203
2021	5720000.021159647
2022	8259999.915957453