Year	current US$
1969	879999.995231628
1970	1320000.05245209
1971	1159999.9666214
1972	2579999.92370605
1973	2109999.89509583
1974	2359999.89509583
1975	5539999.96185303
1976	3960000.03814697
1977	4800000.19073486
1978	4579999.92370605
1979	7090000.15258789
1980	9199999.80926514
1981	10180000.3051758
1982	10979999.5422363
1983	8750000
1984	7679999.82833862
1985	12350000.3814697
1986	11810000.4196167
1987	11180000.3051758
1988	11310000.4196167
1989	7360000.1335144
1990	12739999.7711182
1991	17680000.3051758
1992	12539999.961853001
1993	8470000.26702881
1994	10710000.038146999
1995	14189999.5803833
1996	5719999.79019165
1997	13810000.4196167
1998	16649999.618530298
1999	15569999.6948242
2000	14939999.5803833
2001	15609999.6566772
2002	6480000.01907349
2003	5789999.96185303
2004	7519999.98092651
2005	11529999.7329712
2006	11770000.4577637
2007	13000000
2008	14800000.1907349
2009	8560000.4196167
2010	10289999.961853001
2011	8670000.07629395
2012	11169808.3877563
2013	8164887.42828369
2014	7929299.83139038
2015	9345229.14886475
2016	8439204.21600342
2017	6444011.68823242
2018	4875524.99771118
2019	6218050.00305176
2020	6500895.97702026
2021	5516225.3379821805
2022	4290342.80776978