Year	current US$
1976	9999.99977648258
1977	29999.999329447703
1978	519999.980926514
1979	19999.9995529652
1981	109999.999403954
1982	180000.00715255702
1983	19999.9995529652
1984	340000.00357627904
1985	670000.016689301
1986	629999.995231628
1987	2160000.08583069
1988	1200000.04768372
1989	629999.995231628
1990	750000
1991	829999.983310699
1992	1649999.97615814
1993	129999.995231628
1994	1379999.99523163
1995	1799999.95231628
1996	7909999.84741211
1997	5739999.771118159
1998	3630000.1144409203
1999	2670000.07629395
2000	870000.004768372
2001	5219999.79019165
2002	3930000.0667572
2003	4010000.2288818406
2004	1220000.02861023
2005	6679999.82833862
2006	4760000.228881841
2007	4880000.11444092
2008	13159999.8474121
2009	2559999.94277954
2010	8840000.15258789
2011	20229999.5422363
2012	3230000.01907349
2013	2569999.9332428
2014	2289999.96185303
2015	1899999.97615814
2016	400000.00596046395
2017	1639999.98569489
2018	3480000.01907349
2019	4590000.15258789
2020	4090000.1525878897
2021	4039999.96185303
2022	4500000
