Year	current US$
1970	60000.000521540685
1971	99999.99776482586
1972	120000.0029057264
1973	660000.0225007534
1974	630000.0082701445
1975	669999.9999254942
1976	670000.0017881397
1977	1249999.9850988379
1978	2099999.971687797
1979	3510000.005364419
1980	2349999.9903142443
1981	3289999.969303608
1982	4220000.006258495
1983	3529999.928548927
1984	6110000.023618344
1985	5760000.087320805
1986	8230000.007897616
1987	13810000.298544765
1988	8350000.115111467
1989	10030000.075697895
1990	11450000.014156107
1991	13520000.357180834
1992	11199999.77946281
1993	13530000.142753126
1994	12570000.093430283
1995	11049999.995157126
1996	8550000.039860606
1997	4170000.0334531036
1998	3689999.977126717
1999	1299999.9988824134
2000	11489999.804645777
2001	12250000.219792135
2002	7730000.140145414
2003	7509999.996051187
2004	4950000.012293458
2005	3760000.06124377
2006	4699999.986216423
2007	3089999.9719113116
2008	3119999.9283999214
2009	1630000.0436604011
2010	3229999.974369998
2011	2020000.0703334808
2012	1450000.0420957806
2013	11899999.879300585
2014	-549999.9821186067
2015	-59999.98748302467
2016	-1239999.923855065
2017	-280000.010505318
2018	279999.9974668025
2019	5589999.787509441
2020	299999.9951571227
2021	1690000.0311434257
2022	109999.999403954