Year	current US$
1970	0
1971	0
1972	109999.997541308
1973	189999.99761581398
1974	420000.00365078397
1975	1289999.98420477
1976	740000.0039488081
1977	669999.990612268
1978	930000.005289912
1979	900000.00782311
1980	1360000.01989305
1981	1110000.00871718
1982	200000.00298023198
1983	179999.995976686
1984	139999.996870756
1985	589999.997988343
1986	449999.991804361
1987	799999.995157123
1988	759999.990463257
1989	850000.003352761
1990	1259999.98115003
1991	940000.01065433
1992	1000000.0037252901
1993	1569999.9816715699
1994	4049999.96721745
1995	3629999.96729195
1996	3779999.96393919
1997	5679999.988526111
1998	4020000.0051408997
1999	5130000.0436603995
2000	5120000.0308454
2001	5270000.05170703
2002	6239999.98532236
2003	11930000.0648946
2004	13829999.838024398
2005	17670000.0800192
2006	9969999.98390675
2007	10300000.054761799
2008	14099999.900907299
2009	9680000.04068017
2010	10640000.2129376
2011	13920000.0949204
2012	6129999.9691546
2013	4389999.931678181
2014	12240000.0635535
2015	8289999.902248381
2016	8109999.878332021
2017	14879999.90955
2018	11839999.9663234
2019	13139999.8497218
2020	11059999.961406
2021	15369999.660179
2022	6439999.938011168