Year	current US$
1970	580000.0056624407
1971	319999.9965727327
1972	15719999.84793364
1973	12300000.073388172
1974	4710000.120103362
1975	9740000.285208236
1976	8429999.995976673
1977	13360000.0180304
1978	10459999.904036518
1979	9170000.139623888
1980	10370000.246912245
1981	7029999.926686287
1982	10910000.082105407
1983	12499999.724328514
1984	12450000.116601586
1985	18099999.60102142
1986	15450000.01415609
1987	20330000.53651635
1988	15739999.933168298
1989	30199999.96386464
1990	26680000.366643038
1991	20169999.998062838
1992	17439999.88958239
1993	13469999.928027386
1994	11320000.162348157
1995	8829999.955371026
1996	9239999.841898674
1997	7049999.913200739
1998	4870000.053197146
1999	5890000.039711593
2000	4979999.970644711
2001	6379999.948665497
2002	8169999.960809946
2003	12989999.856799837
2004	12520000.088959921
2005	36109999.71628187
2006	16279999.926686287
2007	25949999.898672104
2008	11639999.955892567
2009	12919999.897480013
2010	6260000.029578801
2011	19499999.999999993
2012	6430000.0127404835
2013	22989999.70592554
2014	7719999.819993975
2015	3960000.0455975593
2016	4530000.073835251
2017	4280000.049620866
2018	3589999.9793618876
2019	4969999.972730872
2020	8199999.898672098
2021	5640000.015497204
2022	11900000.1847744