Year	current US$
1990	19999.9995529652
1991	509999.99046325695
1992	1500000
1993	3440000.05722046
1994	6380000.11444092
1995	11930000.3051758
1996	12430000.3051758
1997	4210000.03814697
1998	3630000.1144409203
1999	17979999.5422363
2000	7000000
2001	5800000.19073486
2002	9409999.84741211
2003	10579999.923706101
2004	7340000.15258789
2005	9569999.69482422
2006	9300000.19073486
2007	7909999.84741211
2008	14720000.2670288
2009	12460000.038146999
2010	14199999.8092651
2011	12659999.8474121
2012	11260000.2288818
2013	28309999.4659424
2014	26950000.762939498
2015	22290000.915527303
2016	21459999.084472697
2017	22020000.4577637
2018	16600000.381469702
2019	30610000.6103516
2020	32259998.321533203
2021	32389999.3896484
2022	24899999.6185303