Year	US Dollars
1960	-1750002
1961	-3500000
1962	-7000000
1963	-15750000
1964	5249998
1965	-3476148.14815
1966	-3666285.71429
1967	-1934857.14286
1968	-5626285.71429
1969	-4633142.85714
1970	-2262857.14286
1971	-14502857.14286
1972	-8244571.42857
1973	-7050208.68218
1974	-19958095.2381
1975	-45155555.55556
1976	-13122318.84058
1977	1665555.55556
1978	-51983333.33333
1979	-66977777.77778
1980	-133201111.11111
1981	-124952222.22222
1982	-169162222.22222
1983	-170043033.88919
1984	-118934090.71924
1985	-112241235.39647
1986	-127291596.7417
1987	-180963682.4215
1988	-144635190.71192
1989	-147013717.40816
1990	-225312545.61911
1991	-216993753.61544
1992	-224489561.36013
1993	-166880195.2224
1994	-168448010.1954
1995	-143580889.90143
1996	-86321830.22296
1997	-44796367.24847
1998	-102252114.83324
1999	-67783377.1027
2000	-86315511.95415
2001	-92989703.13723
2002	-101541854.66934
2003	-114665348.87587
2004	-161731658.35536
2005	-282015930.06953
2006	-504022811.29008
2007	-365671577.64008
2008	-458258594.90518
2009	-631908749.55454
2010	-613378056.26057
2011	-666927132.62583
2012	-705092583.34942
2013	-728832039.90404
2014	-797252604.55139
2015	-720301047.93145
2016	-772036885.04775