Year	current US$
1970	399999.99105930363
1971	280000.00305473787
1972	1650000.0339001436
1973	3940000.1242756844
1974	2970000.03792346
1975	4260000.012814999
1976	7180000.083521012
1977	8750000.05029142
1978	6890000.032261016
1979	13009999.94203448
1980	7640000.164508815
1981	6449999.935925017
1982	4389999.9819696015
1983	4660000.072792167
1984	3210000.0381469685
1985	4970000.064000491
1986	12809999.855235225
1987	32419999.996200252
1988	23990000.16227366
1989	30890000.22038815
1990	30569999.389350407
1991	25029999.651014794
1992	33459999.706596136
1993	28019999.980926517
1994	28859999.835491195
1995	30009999.23050403
1996	24270000.100135818
1997	26360000.398010015
1998	34959999.98226761
1999	37840000.178664885
2000	24050000.3285706
2001	27269999.951124225
2002	26479999.419301737
2003	27929999.783635084
2004	30259999.47264793
2005	20960000.26166441
2006	15569999.817758804
2007	13470000.149682209
2008	15290000.448003436
2009	8889999.594539372
2010	26409999.543801025
2011	23490000.210702404
2012	12850000.180304088
2013	10340000.346303033
2014	4089999.8098611864
2015	-19999.9995529651
2016	-29999.999329447703
2017	-29999.999329447703
2018	0
2019	-9999.99977648258
2020	19999.9995529652
2021	1149999.97615814
2022	449999.988079071