Year	current US$
1970	29999.999329447703
1971	19999.9995529652
1972	9999.99977648258
1973	19999.9995529652
1974	810000.0284612174
1975	319999.99657273287
1976	1919999.992474909
1977	1029999.9956041576
1978	340000.005438924
1979	3889999.8925626203
1980	670000.0073760741
1981	3570000.037550926
1982	4400000.048801304
1983	4780000.1278519705
1984	19050000.386312585
1985	28270000.427961335
1986	13909999.703988394
1987	4959999.939426776
1988	10629999.96356666
1989	32680000.102147415
1990	75739999.67984852
1991	57300002.00867656
1992	6599999.915808448
1993	6160000.2218037825
1994	18469999.976456165
1995	30460000.663995754
1996	42859999.67530367
1997	44689999.99947844
1998	33159999.797120728
1999	24229999.61301687
2000	21700000.07748608
2001	16939999.965950843
2002	34980000.22768979
2003	12850000.0331551
2004	29030000.060796745
2005	-110000.53584572859
2006	3530000.6791949477
2007	7169999.56220389
2008	22740000.434219845
2009	17680000.14685095
2010	32650000.529363763
2011	4729999.391362019
2012	-8400000.287219921
2013	-12999999.605119256
2014	-4550000.071525557
2015	1739999.8307227986
2016	12480000.466108311
2017	7620000.213384633
2018	5239999.830722801
2019	16329999.975860113
2020	17419999.657198783
2021	15229999.892413609
2022	19130000.391975053