Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	3554000000
1995-04-01	3564000000
1995-07-01	2640000000
1995-10-01	2537000000
1996-01-01	2284000000
1996-04-01	2957000000
1996-07-01	2582000000
1996-10-01	3109000000
1997-01-01	2017000000
1997-04-01	2373000000
1997-07-01	3559000000
1997-10-01	1914000000
1998-01-01	2268000000
1998-04-01	3137000000
1998-07-01	2181000000
1998-10-01	2223000000
1999-01-01	2409000000
1999-04-01	2383000000
1999-07-01	2904000000
1999-10-01	1791000000
2000-01-01	1278000000
2000-04-01	1748000000
2000-07-01	1393000000
2000-10-01	491000000
2001-01-01	637000000
2001-04-01	794000000
2001-07-01	2246000000
2001-10-01	1884000000
2002-01-01	2206000000
2002-04-01	2548000000
2002-07-01	2694000000
2002-10-01	1726000000
2003-01-01	732000000
2003-04-01	3242000000
2003-07-01	2702000000
2003-10-01	2173000000
2004-01-01	2250000000
2004-04-01	2489000000
2004-07-01	1868000000
2004-10-01	1995000000
2005-01-01	1668000000
2005-04-01	1808000000
2005-07-01	815000000
2005-10-01	-627000000
2006-01-01	-1234000000
2006-04-01	1247000000
2006-07-01	1439000000
2006-10-01	1419000000
2007-01-01	1246000000
2007-04-01	1912000000
2007-07-01	883000000
2007-10-01	-2424000000
2008-01-01	-3510000000
2008-04-01	-2384000000
2008-07-01	-4984000000
2008-10-01	-5013000000
2009-01-01	-3089000000
2009-04-01	-705000000
2009-07-01	-217000000
2009-10-01	-2193000000
2010-01-01	-2290000000
2010-04-01	-244000000
2010-07-01	821000000
2010-10-01	-3513000000
2011-01-01	-3209000000
2011-04-01	-2090000000
2011-07-01	-4305000000
2011-10-01	-4741000000
2012-01-01	-3361000000
2012-04-01	-2108000000
2012-07-01	-2405000000
2012-10-01	-5844000000
2013-01-01	-5930000000
2013-04-01	-1481000000
2013-07-01	-620000000
2013-10-01	-2984000000
2014-01-01	-3236000000