Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	2536960000
1995-04-01	4507360000
1995-07-01	4375720000
1995-10-01	2968440000
1996-01-01	2666250000
1996-04-01	3585790000
1996-07-01	4444920000
1996-10-01	4389410000
1997-01-01	2781820000
1997-04-01	4891530000
1997-07-01	5224510000
1997-10-01	3723410000
1998-01-01	2866520000
1998-04-01	4820780000
1998-07-01	4582410000
1998-10-01	5158900000
1999-01-01	3241790000
1999-04-01	5231970000
1999-07-01	6048720000
1999-10-01	4002080000
2000-01-01	3438640000
2000-04-01	4809490000
2000-07-01	5548620000
2000-10-01	3343180000
2001-01-01	2653540000
2001-04-01	4975460000
2001-07-01	5768480000
2001-10-01	1806560000
2002-01-01	2669340000
2002-04-01	4381040000
2002-07-01	6992060000
2002-10-01	1528710000
2003-01-01	2474470000
2003-04-01	3952900000
2003-07-01	5842160000
2003-10-01	1752730000
2004-01-01	973870000
2004-04-01	4528110000
2004-07-01	7568370000
2004-10-01	1888700000
2005-01-01	2548840000
2005-04-01	3672330000
2005-07-01	7063350000
2005-10-01	1963630000
2006-01-01	1222140000
2006-04-01	5358100000
2006-07-01	7819330000
2006-10-01	1100290000
2007-01-01	1977160000
2007-04-01	6025910000
2007-07-01	9719000000
2007-10-01	2001170000
2008-01-01	3135750000
2008-04-01	6117020000
2008-07-01	11714170000
2008-10-01	3465990000
2009-01-01	2769950000
2009-04-01	7167270000
2009-07-01	12160030000
2009-10-01	3583910000
2010-01-01	4249550000
2010-04-01	9220100000
2010-07-01	12650750000
2010-10-01	1721080000
2011-01-01	6533970000
2011-04-01	12449920000
2011-07-01	16361840000
2011-10-01	8721250000
2012-01-01	7254730000
2012-04-01	10670460000
2012-07-01	13228000000
2012-10-01	10649780000
2013-01-01	5243670000
2013-04-01	13471490000
2013-07-01	15599890000
2013-10-01	13857500000
2014-01-01	7852920000