Year	current US$
1974	1029999.97138977
1975	870000.004768372
1976	1370000.00476837
1977	1710000.03814697
1978	5219999.79019165
1979	9519999.504089361
1980	9750000
1981	10300000.1907349
1982	12199999.8092651
1983	13919999.122619601
1984	14630000.1144409
1985	17220001.2207031
1986	25290000.915527303
1987	27309999.4659424
1988	21899999.6185303
1989	19120000.8392334
1990	22899999.6185303
1991	29630001.068115197
1992	27909999.8474121
1993	40639999.3896484
1994	57520000.4577637
1995	88930000.3051758
1996	113970001.22070299
1997	120580001.831055
1998	123500000
1999	148669998.168945
2000	153800003.05175802
2001	184360000.61035198
2002	267589996.337891
2003	352140014.64843804
2004	410639984.13085896
2005	482010009.765625
2006	632040039.0625
2007	823520019.53125
2008	930359985.351563
2009	693119995.117188
2010	584559997.558594
2011	603440002.441406
2012	536159973.144531
2013	545590026.855469
2014	519160034.179688
2015	427489990.234375
2016	427019989.013672
2017	492630004.88281304
2018	530250000
2019	566900024.414063
2020	519119995.117188
2021	620830017.089844
2022	416589998.2843547