Year	US Dollars, Sum Over Component Sub-periods
1992-01-01	-897750000.0000000
1993-01-01	-1435410000.0000000
1994-01-01	-1841750000.0000000
1995-01-01	-6906900000.0000000
1996-01-01	-6758430000.0000000
1997-01-01	-5131860000.0000000
1998-01-01	-3495070000.0000000
1999-01-01	-3532810000.0000000
2000-01-01	-1394790000.0000000
2001-01-01	-1562050000.0000000
2002-01-01	5544880000.0000000
2003-01-01	4263810000.0000005
2004-01-01	6371100000.0000000
2005-01-01	6503680000.0000000
2006-01-01	8958430000.0000000
2007-01-01	12983290000.0000000
2008-01-01	20038560000.0000000
2009-01-01	10450050000.0000000
2010-01-01	12819590000.0000000
2011-01-01	6807410000.0000000
2012-01-01	7220870000.0000000
2013-01-01	11278840000.0000000