Year	current US$
1970	370000.00476837205
1971	850000.023841858
1972	340000.00357627904
1973	529999.971389771
1974	2569999.9332428
1975	1809999.9427795399
1976	2750000
1977	3539999.96185303
1978	4420000.07629395
1979	3309999.94277954
1980	2400000.09536743
1981	1909999.9666214
1982	3079999.92370605
1983	6219999.79019165
1984	4019999.98092651
1985	5289999.96185303
1986	4800000.19073486
1987	4619999.88555908
1988	3789999.96185303
1989	3319999.9332428
1990	3970000.02861023
1991	4090000.1525878897
1992	7000000
1993	5440000.05722046
1994	5619999.88555908
1995	5530000.20980835
1996	5250000
1997	4460000.03814697
1998	4699999.80926514
1999	3309999.94277954
2000	3180000.0667572
2001	3349999.90463257
2002	2650000.09536743
2003	2519999.98092651
2004	2740000.00953674
2005	2650000.09536743
2006	3029999.97138977
2007	3210000.03814697
2008	2960000.03814697
2009	3450000.04768372
2010	3839999.91416931
2011	3720000.02861023
2012	2907029.3903350797
2013	3127241.13464355
2014	3673329.11491394
2015	3925297.9755401597
2016	2913362.97988892
2017	2411000.01335144
2018	3446333.1699371296
2019	3898999.9294281
2020	3213000.05912781
2021	4502999.7825622605
2022	3622999.9065399203