Year	current US$
1968	9999.99977648258
1969	19999.9995529652
1970	79999.9982118607
1971	150000.005960464
1972	219999.998807907
1973	230000.004172325
1974	129999.995231628
1975	100000.00149011599
1976	79999.9982118607
1977	50000.0007450581
1978	19999.9995529652
1979	-9999.99977648258
1980	9999.99977648258
1981	100000.00149011599
1982	769999.980926514
1983	790000.021457672
1984	1769999.98092651
1985	1200000.04768372
1986	980000.019073486
1987	990000.009536743
1988	649999.976158142
1989	1009999.99046326
1990	379999.99523162795
1991	1220000.02861023
1992	2150000.09536743
1993	2630000.1144409203
1994	3329999.92370605
1995	2059999.94277954
1996	4329999.92370605
1997	1039999.96185303
1998	2559999.94277954
1999	1990000.0095367401
2000	1269999.98092651
2001	2259999.99046326
2002	1799999.95231628
2003	5070000.17166138
2004	4300000.19073486
2005	5130000.11444092
2006	4500000
2007	6940000.05722046
2008	4230000.01907349
2009	6059999.94277954
2010	4690000.05722046
2011	2819999.9332428
2012	3279999.97138977
2013	3329999.92370605
2014	5079999.92370605
2015	4210000.03814697
2016	4159999.8474121103
2017	6539999.96185303
2018	5070000.17166138
2019	2900000.09536743
2020	4329999.92370605
2021	5440000.05722046
2022	7190000.05722046