Year	current US$
1981	7139999.8664856
1982	4920000.07629395
1983	1309999.9427795399
1984	59999.9986588955
1985	9999.99977648258
1986	19999.9995529652
1992	769999.980926514
1994	109999.999403954
1995	90000.0035762787
1996	109999.999403954
1997	140000.000596046
1998	129999.995231628
1999	170000.00178813902
2000	1350000.02384186
2001	1480000.01907349
2004	3390000.10490417
2005	19999.9995529652
2007	1429999.94754791
2008	980000.019073486
2009	12729999.5422363
2010	7010000.228881841
2011	660000.026226044
2012	35926300.048828095
2018	14034790.0390625
2019	15818241.1193848
2020	10241664.8864746
2021	29228839.8742676
2022	17246200.5615234