Year	current US$
1970	769999.980926514
1971	1090000.0333786
1972	1029999.97138977
1973	920000.016689301
1974	1820000.05245209
1975	1820000.05245209
1976	1850000.02384186
1977	1580000.04291534
1978	3859999.89509583
1979	9939999.5803833
1980	7210000.03814697
1981	5340000.15258789
1982	3339999.91416931
1983	7039999.96185303
1984	5280000.20980835
1985	8699999.80926514
1986	8069999.694824221
1987	7269999.98092651
1988	5989999.771118159
1989	6570000.17166138
1990	7869999.88555908
1991	6440000.05722046
1992	6599999.90463257
1993	7449999.80926514
1994	6449999.80926514
1995	6929999.82833862
1996	8020000.45776367
1997	6369999.88555908
1998	6570000.17166138
1999	7889999.8664856
2000	6260000.228881841
2001	6469999.79019165
2002	7420000.07629395
2003	7170000.07629395
2004	7039999.96185303
2005	8569999.69482422
2006	9939999.5803833
2007	14270000.4577637
2008	13859999.6566772
2009	17010000.2288818
2010	18360000.6103516
2011	15369999.8855591
2012	16476078.033447301
2013	14742471.6949463
2014	16887031.5551758
2015	18057556.1523438
2016	17994670.8679199
2017	15050000.1907349
2018	16066415.7867432
2019	15876000.404357899
2020	13842000.0076294
2021	13623999.595642101
2022	14177000.045776399