Annual US Dollars, Sum Over Component Sub-periods
1975-01-01 27550000.00000000
1976-01-01 50890000.00000000
1977-01-01 97600000.00000000
1978-01-01 259170000.00000003
1979-01-01 246260000.00000000
1980-01-01 174230000.00000000
1981-01-01 301120000.00000000
1982-01-01 177900000.00000000
1983-01-01 -5340000.00000000
1984-01-01 -306040000.00000000
1985-01-01 -519120000.00000000
1986-01-01 -752830000.00000000
1987-01-01 -1241510000.00000000
1988-01-01 -1808070000.00000000
1989-01-01 -2272570000.00000000
1990-01-01 -3222880000.00000000
1991-01-01 -3566110000.00000000
1992-01-01 -2910680000.00000000
1993-01-01 -2224150000.00000000
1994-01-01 -1819150000.00000000
1995-01-01 -2170190000.00000000
1996-01-01 -2103940000.00000000
1997-01-01 -2254640000.00000000
1998-01-01 -1948810000.00000000
1999-01-01 -2019040000.00000000
2000-01-01 -1721760000.00000000
2001-01-01 -29490000.00000000
2002-01-01 549800000.00000000
2003-01-01 -700810000.00000000
2004-01-01 580990000.00000000
2005-01-01 -753300000.00000000
2006-01-01 -1268740000.00000000
2007-01-01 639470000.00000000
2008-01-01 987920000.00000000
2009-01-01 540150000.00000000
2010-01-01 380640000.00000000
2011-01-01 185090000.00000000
2012-01-01 -1334600000.00000000
2013-01-01 593010000.00000000