Year	current US$
1969	170000.00178813902
1970	360000.01430511504
1971	119999.997317791
1972	79999.9982118607
1973	479999.989271164
1974	159999.99642372102
1975	59999.9986588955
1976	70000.0002980232
1977	140000.000596046
1978	119999.997317791
1979	209999.993443489
1980	230000.004172325
1981	759999.990463257
1982	660000.026226044
1983	769999.980926514
1984	970000.028610229
1985	750000
1986	819999.992847443
1988	860000.014305115
1989	2529999.97138977
1990	4940000.05722046
1991	3880000.1144409203
1992	4110000.1335143996
1993	3720000.02861023
1994	2930000.0667572
1995	3470000.02861023
1996	3309999.94277954
1997	2779999.97138977
1998	2400000.09536743
1999	1539999.96185303
2000	970000.028610229
2001	1149999.97615814
2002	1090000.0333786
2003	1240000.0095367401
2004	1879999.99523163
2005	500000
2006	259999.990463257
2007	699999.988079071
2008	2970000.02861023
2009	2619999.8855590797
2010	2900000.09536743
2012	13091500.2822876
2013	16705154.418945298
2015	12547818.1838989
2018	9593068.12286377
2020	7314493.65615845
2021	5833000.18310547