Year	current US$
1974	29999.999329447703
1975	39999.9991059303
1976	59999.9986588955
1977	170000.00178813902
1978	230000.004172325
1979	419999.996200204
1980	919999.962672591
1981	1490000.00581145
1982	700000.012293458
1983	1100000.0257045
1984	999999.983236194
1985	2130000.01385808
1986	3279999.89129603
1987	3269999.92132187
1988	3530000.00491738
1989	1430000.0090152002
1990	3200000.04023314
1991	3229999.97809529
1992	4360000.02361834
1993	7979999.85143542
1994	14979999.847710101
1995	27099999.6364117
1996	34949999.602511495
1997	45360000.7407367
1998	46059999.410063
1999	48480000.8498132
2000	59110000.0124425
2001	79080000.5849451
2002	114949998.48678699
2003	151150004.286319
2004	182249996.27471
2005	196460000.298917
2006	251480003.85612202
2007	327589996.419847
2008	362570000.39517903
2009	282019999.967888
2010	260759999.983013
2011	272880000.10699
2012	239679998.010397
2013	252960001.198575
2014	252400000.832975
2015	207629998.281598
2016	200029999.50386602
2017	205799998.668954
2018	216440000.012517
2019	214879999.456927
2020	217530000.511557
2021	237490003.12760502
2022	237099998.43314287