Year	current US$
1989	29999.999329447703
1990	39999.9991059303
1991	119999.997317791
1992	439999.997615814
1993	1110000.01430511
1994	2369999.8855590797
1995	3390000.10490417
1996	7260000.228881841
1997	6750000
1998	11619999.8855591
1999	7170000.07629395
2000	16030000.6866455
2001	38130001.0681152
2002	22610000.6103516
2003	12680000.3051758
2004	31350000.3814697
2005	15289999.961853001
2006	10079999.923706101
2007	24670000.0762939
2008	53220001.220703095
2009	57529998.779296905
2010	96040000.9155273
2011	139490005.493164
2012	200320007.32421902
2013	234559997.55859402
2014	178839996.33789098
2015	217160003.66210902
2016	179830001.831055
2017	182009994.506836
2018	142979995.727539
2019	81330001.8310547
2020	102980003.35693401
2021	63340000.1525879
2022	78400001.5258789