Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	6607000000
1995-04-01	7578000000
1995-07-01	8183000000
1995-10-01	7349000000
1996-01-01	7030000000
1996-04-01	7156000000
1996-07-01	7904000000
1996-10-01	6945000000
1997-01-01	6165000000
1997-04-01	6981000000
1997-07-01	7647000000
1997-10-01	7004000000
1998-01-01	6780000000
1998-04-01	7356000000
1998-07-01	8243000000
1998-10-01	7620000000
1999-01-01	7416000000
1999-04-01	7627000000
1999-07-01	8346000000
1999-10-01	7775000000
2000-01-01	8162000000
2000-04-01	7881000000
2000-07-01	8653000000
2000-10-01	7590000000
2001-01-01	8103000000
2001-04-01	8152000000
2001-07-01	9002000000
2001-10-01	8340000000
2002-01-01	7692000000
2002-04-01	8524000000
2002-07-01	10314000000
2002-10-01	9387000000
2003-01-01	9640000000
2003-04-01	10781000000
2003-07-01	11431000000
2003-10-01	11048000000
2004-01-01	11234000000
2004-04-01	11860000000
2004-07-01	13134000000
2004-10-01	12835000000
2005-01-01	12233000000
2005-04-01	12901000000
2005-07-01	13847000000
2005-10-01	12156000000
2006-01-01	11994000000
2006-04-01	13682000000
2006-07-01	14573000000
2006-10-01	13025000000
2007-01-01	14566000000
2007-04-01	16854000000
2007-07-01	18306000000
2007-10-01	19361000000
2008-01-01	18922000000
2008-04-01	21506000000
2008-07-01	24255000000
2008-10-01	20231000000
2009-01-01	16894000000
2009-04-01	17783000000
2009-07-01	20781000000
2009-10-01	20552000000
2010-01-01	19327000000
2010-04-01	19356000000
2010-07-01	21014000000
2010-10-01	22309000000
2011-01-01	19561000000
2011-04-01	21732000000
2011-07-01	25314000000
2011-10-01	22394000000
2012-01-01	21321000000
2012-04-01	22128000000
2012-07-01	23982000000
2012-10-01	24151000000
2013-01-01	22679000000
2013-04-01	23545000000
2013-07-01	25495000000
2013-10-01	26259000000
2014-01-01	24119000000