Year	current US$
1968	9999.99977648258
1969	79999.9982118607
1970	680000.007152557
1971	280000.001192093
1972	800000.011920929
1973	419999.986886978
1974	990000.009536743
1975	289999.99165535
1976	180000.00715255702
1977	250000
1978	759999.990463257
1979	550000.011920929
1980	620000.004768372
1981	560000.002384186
1982	1460000.03814697
1983	1179999.94754791
1984	870000.004768372
1985	1519999.98092651
1986	1470000.02861023
1987	3160000.08583069
1988	2680000.0667572
1989	3059999.94277954
1990	3869999.8855590797
1991	5199999.80926514
1992	8060000.419616699
1993	4639999.8664856
1994	5719999.79019165
1995	7579999.92370605
1996	7480000.01907349
1997	6019999.98092651
1998	6389999.8664856
1999	5139999.8664856
2000	4659999.84741211
2001	6929999.82833862
2002	6320000.17166138
2003	7610000.1335144
2004	7760000.228881841
2005	8760000.22888184
2006	9409999.84741211
2007	8489999.77111816
2008	8859999.65667725
2009	6420000.07629395
2010	3069999.9332428
2011	2829999.92370605
2012	3039999.96185303
2013	2430000.0667572
2014	2900000.09536743
2015	2259999.99046326
2016	4360000.1335144
2017	2529999.97138977
2018	2390000.10490417
2019	2720000.02861023
2020	959999.978542328
2021	1049999.95231628
2022	1070000.05245209