Year	current US$
1970	229999.99299645418
1971	239999.994635582
1972	249999.9999999997
1973	520000.00327825494
1974	59999.998658895405
1975	49999.9988824129
1978	109999.999403954
1979	9079999.99821186
1980	14180000.230669968
1981	6889999.970793724
1982	5839999.929070475
1983	5150000.054389236
1984	5300000.179558994
1985	4400000.10281801
1986	4999999.836087224
1987	4250000
1988	9099999.537691476
1989	27219999.38040968
1990	18739999.74131585
1991	25200000.382959858
1992	30119999.81105332
1993	22840000.752359614
1994	181290002.40564346
1995	6770000.010728832
1996	11590000.07808208
1997	13539999.999105917
1998	8530000.098049637
1999	7930000.003427272
2000	40720000.274479434
2001	39510000.55670738
2002	36850000.79870227
2003	26360000.487417005
2004	24109999.65481456
2005	7260000.079870214
2006	6760000.064969064
2007	8899999.976158144
2008	8209999.9040365275
2009	5789999.91714954
2010	2359999.939799313
2011	3970000.02861023
2012	3040899.9845385537
2015	3386340.6181335403
2016	4469110.4888916
2017	5850940.227508539
2018	3226787.388324733
2019	5724567.234516145
2020	8467042.684555061
2021	8003319.799900051
2022	603200.018405914