Year	current US$
1974	3299999.95231628
1975	5230000.01907349
1976	3619999.88555908
1977	2729999.959468846
1978	3889999.955892566
1979	5530000.135302539
1980	5610000.062733888
1981	5129999.980330472
1982	3899999.9985098904
1983	2669999.9608099475
1984	1340000.0035762785
1985	1969999.944791198
1986	8999999.886378638
1987	7299999.9430030575
1988	7500000.076368446
1989	7860000.012442474
1990	8100000.029429787
1991	9069999.832659958
1992	10989999.56808984
1993	7790000.034496191
1994	6039999.937638639
1995	46550001.019611925
1996	22019999.755546432
1997	5500000.026077033
1998	18339999.69810251
1999	13200000.084936623
2000	4250000.005587939
2001	4350000.0704079885
2002	129999.9766051739
2003	6789999.974891547
2004	10760000.014677651
2005	6070000.08039177
2006	4319999.972358348
2007	62110000.21919605
2008	23229999.974370014
2009	18250000.316649668
2010	11440000.083297476
2011	13320000.337436795
2012	7699999.945238235
2013	4080000.1583993468
2014	4439999.982714652
2015	12080000.279471278
2016	15260000.01840293
2017	7139999.778941277
2018	6830000.208690759
2019	8190000.1149624605
2020	1930000.0052899125
2021	9320000.043138852
2022	6069999.817758799