Year	current US$
1988	330000.013113022
1989	79999.9982118607
1990	579999.983310699
1991	2720000.02861023
1992	7280000.20980835
1993	6019999.98092651
1994	1730000.01907349
1995	2589999.91416931
1996	2019999.9809265102
1997	15390000.3433228
1998	19549999.237060502
1999	9329999.92370605
2000	3789999.96185303
2001	23000000
2002	14670000.076293899
2003	30170000.0762939
2004	16930000.3051758
2005	18319999.6948242
2006	18899999.6185303
2007	28780000.6866455
2008	18940000.5340576
2009	27760000.2288818
2010	24440000.5340576
2011	24290000.915527303
2012	37229999.5422363
2013	31500000
2014	21489999.7711182
2015	39549999.237060495
2016	41659999.8474121
2017	47970001.220703095
2018	42889999.3896484
2019	35430000.3051758
2020	40630001.0681152
2021	54250000
2022	85129997.253418