Year	current US$
1974	29999.999329447703
1975	29999.999329447703
1976	1100000.02384186
1977	230000.004172325
1980	39999.9991059303
1983	389999.98569488496
1984	620000.004768372
1985	600000.023841858
1986	500000
1987	1210000.03814697
1988	1299999.95231628
1989	1889999.98569489
1990	2579999.92370605
1991	2609999.89509583
1992	3460000.03814697
1993	4119999.88555908
1994	7980000.01907349
1995	11789999.961853001
1996	15109999.6566772
1997	15220000.2670288
1998	11489999.7711182
1999	13189999.5803833
2000	8119999.88555908
2001	9949999.80926514
2002	11449999.8092651
2003	12380000.1144409
2004	12970000.2670288
2005	20950000.762939498
2006	14939999.5803833
2007	14829999.923706101
2008	11340000.1525879
2009	7710000.03814697
2010	9380000.11444092
2011	11060000.4196167
2012	8779999.73297119
2013	12390000.3433228
2014	12670000.076293899
2015	9380000.11444092
2016	7079999.92370605
2017	5750000
2018	5110000.1335144
2019	4769999.98092651
2020	4670000.07629395
2021	5300000.19073486
2022	4789999.96185303