Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	-231820000
1994-01-01	-607590000
1995-01-01	-139070000
1996-01-01	-355740000
1997-01-01	-1018570000
1998-01-01	197950000
1999-01-01	1637360000
2000-01-01	-942490000
2001-01-01	28620000
2002-01-01	712770000
2003-01-01	-51800000
2004-01-01	-139430000
2005-01-01	-464890000
2006-01-01	-1115950000
2007-01-01	-1445940000
2008-01-01	-828700000
2009-01-01	-4041890000
2010-01-01	-429420000
2011-01-01	878240000
2012-01-01	-6287420000
2013-01-01	-7159350000