Year	US Dollars
1960	-226058364.15947
1961	-133333333.33333
1962	-211111111.11111
1963	-288888888.88889
1964	-111111111.11111
1965	-100000000
1966	-222222222.22222
1967	-133333333.33333
1968	-244444444.44444
1969	-222222222.22222
1970	-330434782.6087
1971	-475967017.49682
1972	-515901060.07067
1973	-530035335.68905
1974	-1974581747.68435
1975	-3039745187.64714
1976	-2977636578.83262
1977	-4043995111.65426
1978	-2046783625.73099
1979	-2381182224.79647
1980	-4654251821.45769
1981	-3315980183.24207
1982	-2035028575.29544
1983	-2519327410.54836
1984	-2439729464.38311
1985	-2087999034.45132
1986	-2112496478.92544
1987	-1897406582.1249
1988	1000386684.00886
1989	-1690547113.60808
1990	-6347675417.07556
1991	-4191404761.90476
1992	-4679130434.7826
1993	-10214690909.0909
1994	1278685810.81081
1995	-7558089519.65065
1996	-11403921375.9214
1997	-11023485845.9513
1998	2378028385.117
1999	-629221585.48233
2000	-8470697376.83941
2001	7523484007.8329
2002	3483077892.78133
2003	-3477466186.95451
2004	-10600233602.2448
2005	-17056069514.7365
2006	-26797121456.0728
2007	-32769012971.0645
2008	-32513369957.7411
2009	-5061256129.03224
2010	-38607448762.3104
2011	-67751819701.49249
2012	-42917580734.96659
2013	-55188874881.81529
2014	-36297183458.9902
2015	-22423545955.88231
2016	-24922524750.8361
2017	-38243055014.93929