Year	US Dollars
1960	-15555546.66667
1961	-19999991.11111
1962	-24444431.11111
1963	-57777795.55556
1964	-73333306.66667
1965	-102222208.88889
1966	-139999993.33333
1967	-124444444.44444
1968	-86666671.11111
1969	-68888895.55556
1970	-37777795.55556
1971	-95555560
1972	-53333333.33333
1973	-31111124.44444
1974	-17777777.77778
1975	-37777771.11111
1976	-42222228.88889
1977	-93333344.44444
1978	-100000017.77778
2002	-1358422697.62472
2003	-2327909194.5746
2004	-2808846054.05224
2005	-3142047901.89923
2006	-3360458832.22587
2007	-3989348329.8306
2008	-3778604749.16532
2009	-3432865496.23311
2010	-5565071592.172
2011	-6829031839.29177
2012	-6905524853.3259
2013	-8804794007.07984
2014	-8082786360.91211
2015	-8032008550.29873
2016	-8202051357.7584