Year	current US$
1960	2319999.9332428
1961	8329999.923706049
1962	4380000.11444092
1963	8029999.73297119
1964	1669999.95708466
1965	550000.011920929
1966	10449999.8092651
1967	-6550000.19073486
1968	-6320000.17166138
1969	-7500000
1970	-5280000.20980835
1971	-3009999.99046326
1972	-889999.985694885
1973	-100000.00149011599
1974	310000.002384186
1975	170000.00178813902
1976	629999.995231628
1977	1259999.9904632599
1978	1379999.99523163
1979	1740000.0095367401
1980	1169999.95708466
1981	1240000.0095367401
1982	2369999.8855590797
1983	2559999.94277954
1984	3789999.96185303
1985	3779999.97138977
1986	7349999.90463257
1987	8789999.96185303
1988	30500000
1989	18479999.5422363
1990	14779999.7329712
1991	13340000.1525879
1992	14130000.1144409
1993	7409999.84741211
1994	16780000.6866455
1995	16690000.534057599
1996	20799999.237060502
1997	9199999.80926514
1998	4030000.2098083496
1999	3430000.0667572
2000	1720000.02861023
2001	5489999.771118159
2002	3250000
2003	5409999.84741211
2004	12590000.1525879
2005	1539999.96185303
2006	8119999.88555908
2007	6630000.11444092
2008	17399999.6185303
2009	12420000.076293899
2010	9199999.80926514
2011	7860000.1335144
2012	5260000.228881841
2013	4820000.17166138
2014	4630000.11444092
2015	7610000.1335144
2016	6650000.09536743
2017	3700000.04768372
2018	8329999.923706049
2019	10270000.4577637
2020	7659999.84741211
2021	12840000.1525879
2022	12539999.961853001