Year	current US$
1970	399999.99105930363
1971	280000.00305473787
1972	1660000.0336766262
1973	3950000.124052167
1974	2980000.0376999425
1975	4280000.012367963
1976	7340000.083670024
1977	9050000.039860608
1978	6900000.032037498
1979	13209999.939426776
1980	7770000.16532838
1981	6609999.932348739
1982	4429999.981075532
1983	4810000.071302051
1984	3260000.038892026
1985	4970000.064000491
1986	12809999.855235225
1987	32419999.996200252
1988	23990000.16227366
1989	30930000.219494082
1990	30609999.388456337
1991	25029999.651014794
1992	33569999.70600009
1993	28159999.979659915
1994	29209999.838843957
1995	30229999.223724
1996	24480000.104755174
1997	29550000.468268994
1998	34829999.97586011
1999	37990000.17344948
2000	24430000.32380223
2001	27429999.947547942
2002	27739999.40231442
2003	27969999.784603663
2004	30259999.47264793
2005	20960000.26166441
2006	15669999.81924892
2007	13610000.150278255
2008	15290000.448003436
2009	8889999.594539372
2010	26409999.543801025
2011	23490000.210702404
2012	12850000.180304088
2013	10340000.346303033
2014	4089999.809861187
2015	-19999.9995529651
2016	-9999.999776482502
2017	-29999.999329447703
2018	0
2019	-9999.99977648258
2020	59999.9986588955
2021	1179999.9754875877
2022	449999.988079071