Year	current US$
1973	19999.9995529652
1974	9999.99977648258
1975	1679999.94754791
1976	19999.9995529652
1977	19999.9995529652
1978	2660000.08583069
1979	3140000.10490417
1980	5789999.96185303
1981	11170000.076293899
1982	1740000.0095367401
1983	12470000.2670288
1984	6670000.07629395
1985	389999.98569488496
1986	6590000.15258789
1987	8439999.5803833
1988	1529999.97138977
1989	9880000.11444092
1990	17290000.915527303
1991	7329999.92370605
1992	4309999.94277954
1993	4719999.79019165
1994	4440000.05722046
1995	5210000.03814697
1996	6960000.03814697
1997	90000.0035762787
1998	12729999.5422363
1999	4139999.8664856004
2000	8430000.30517578
2001	7000000
2002	3259999.99046326
2003	5199999.80926514
2004	5460000.03814697
2005	6750000
2006	9890000.34332275
2007	12590000.1525879
2008	7230000.01907349
2009	3009999.99046326
2010	4219999.79019165
2011	8479999.54223633
2012	9020000.45776367
2013	2630000.1144409203
2014	2839999.91416931
2015	1529999.97138977
2016	430000.00715255697
2017	159999.99642372102
2018	180000.00715255702
2019	170000.00178813902
2020	50000.0007450581
2021	59999.9986588955
2022	159999.99642372102