Year	current US$
1967	59999.9986588955
1968	100000.00149011599
1969	200000.00298023198
1970	259999.990463257
1971	280000.001192093
1972	409999.99642372096
1973	670000.016689301
1974	769999.980926514
1975	1460000.03814697
1976	1240000.0095367401
1977	1840000.0333786
1978	2500000
1979	3170000.07629395
1980	3589999.91416931
1981	4280000.20980835
1982	7610000.1335144
1983	8260000.22888184
1984	9420000.07629395
1985	2940000.05722046
1986	8229999.54223633
1987	7519999.98092651
1988	11130000.1144409
1989	9220000.26702881
1990	4320000.17166138
1991	5940000.05722046
1992	6659999.84741211
1993	6389999.8664856
1994	3059999.94277954
1995	2849999.90463257
1996	2289999.96185303
1997	1919999.95708466
1998	15020000.4577637
1999	13130000.1144409
2000	8510000.22888184
2001	32569999.694824196
2002	25450000.762939498
2003	26659999.8474121
2004	22420000.0762939
2005	14430000.3051758
2006	69569999.6948242
2007	87760002.1362305
2008	3670000.07629395
2009	23959999.084472697
2010	4250000
2011	4610000.1335144
2012	2359999.89509583
2013	4840000.15258789
2014	9560000.4196167
2015	3400000.09536743
2016	6230000.01907349
2017	3109999.89509583
2018	2660000.08583069
2019	2799999.95231628
2020	2099999.90463257
2021	2640000.10490417
2022	2190000.05722046