Year	current US$
1974	1029999.97138977
1975	870000.004768372
1976	1370000.00476837
1977	1710000.03814697
1978	5219999.79019165
1979	9519999.504089361
1980	9750000
1981	10320000.6484985
1982	12229999.5422363
1983	13960000.038146999
1984	14630000.1144409
1985	17219999.3133545
1986	25289999.0081787
1987	27340000.1525879
1988	21909999.8474121
1989	19129999.1607666
1990	24159999.8474121
1991	29649999.6185303
1992	28000000
1993	40829998.0163574
1994	57989997.8637695
1995	89470001.2207031
1996	114949996.94824201
1997	121150001.52587901
1998	123519996.64306599
1999	148750000
2000	154360000.61035198
2001	184559997.55859402
2002	268119995.117188
2003	352800018.310547
2004	412579986.57226604
2005	482250000
2006	632270019.53125
2007	823950012.207031
2008	930599975.585938
2009	693289978.027344
2010	585270019.53125
2011	603470031.738281
2012	536159973.144531
2013	545590026.855469
2014	519159973.144531
2015	427489990.234375
2016	427019989.013672
2017	492649993.89648396
2018	530250000
2019	566900024.414063
2020	519460021.972656
2021	620830017.089844
2022	417129998.30581236