Year	current US$
1968	9999.99977648258
1969	9999.99977648258
1971	19999.9995529652
1972	29999.999329447703
1973	19999.9995529652
1974	29999.999329447703
1975	29999.999329447703
1976	29999.999329447703
1977	29999.999329447703
1978	119999.997317791
1979	449999.988079071
1980	660000.026226044
1981	569999.992847443
1982	540000.021457672
1983	460000.00834465
1984	340000.00357627904
1985	300000.011920929
1986	1559999.9427795399
1987	1789999.96185303
1988	8970000.26702881
1989	3099999.90463257
1990	12520000.4577637
1991	7179999.82833862
1992	9310000.4196167
1993	7269999.98092651
1994	579999.983310699
1995	8909999.84741211
1996	699999.988079071
1997	330000.013113022
1998	1120000.00476837
1999	1769999.98092651
2000	1210000.03814697
2001	360000.01430511504
2002	569999.992847443
2003	1620000.00476837
2004	3160000.08583069
2005	3349999.90463257
2006	3569999.9332428
2007	4440000.05722046
2008	3759999.99046326
2009	3339999.91416931
2010	1789999.96185303
2011	1399999.97615814
2012	2079999.9237060498
2013	1370000.00476837
2014	1139999.98569489
2015	2400000.09536743
2016	2029999.97138977
2017	3150000.09536743
2018	3480000.01907349
2019	3599999.90463257
2020	2900000.09536743
2021	3390000.10490417
2022	2869999.8855590797