Year	current US$
1970	1659999.9666214
1971	1370000.00476837
1972	2980000.01907349
1973	1009999.99046326
1974	3279999.97138977
1975	3470000.02861023
1977	2079999.9237060498
1978	6239999.771118159
1979	2890000.10490417
1980	1309999.9427795399
1981	4710000.03814697
1982	3609999.89509583
1983	5070000.17166138
1984	1879999.99523163
1985	2009999.9904632599
1986	4800000.19073486
1987	600000.023841858
1988	5760000.228881841
1989	1860000.01430511
1990	9300000.19073486
1991	699999.988079071
1992	7250000
1993	2880000.1144409203
1994	11369999.8855591
1995	18209999.084472697
1996	17450000.762939498
1997	9579999.92370605
1998	11119999.8855591
1999	2569999.9332428
2000	2079999.9237060498
2001	4400000.09536743
2002	9750000
2003	58979999.5422363
2004	77849998.4741211
2005	32860000.6103516
2006	28579999.9237061
2007	47520000.4577637
2008	53419998.1689453
2009	54810001.373291
2010	51590000.1525879
2011	31090000.1525879
2012	23340000.1525879
2013	181990005.493164
2014	171169998.168945
2015	222320007.32421902
2016	325679992.675781
2017	354220001.220703
2018	569809997.558594
2019	443070007.324219
2020	306200012.207031
2021	555630004.882813
2022	410950012.207031