Year	current US$
1973	340000.00357627904
1981	9999.99977648258
1983	19999.9995529652
1984	3130000.1144409203
1985	959999.978542328
1986	610000.014305115
1987	239999.994635582
1988	3740000.00953674
1989	2190000.05722046
1990	2940000.05722046
1991	2269999.98092651
1992	3079999.92370605
1993	6389999.8664856
1994	4420000.07629395
1995	6550000.19073486
1996	4630000.11444092
1997	3509999.99046326
1998	750000
1999	490000.009536743
2000	59999.9986588955
2001	50000.0007450581
2002	59999.9986588955
2003	50000.0007450581
2004	19999.9995529652
2006	790000.021457672
2007	8609999.65667725
2008	12539999.961853001
2009	18360000.6103516
2010	30579999.9237061
2011	31790000.915527303
2012	14600000.3814697
2013	40540000.9155273
2014	33720001.220703095
2015	22170000.0762939
2016	38630001.0681152
2017	26340000.1525879
2018	28610000.6103516
2019	41569999.6948242
2020	49060001.373291
2021	89730003.3569336
2022	28680000.3051758