Quarter	US Dollars, Sum Over Component Sub-periods
1981-01-01	97000000
1981-04-01	113000000
1981-07-01	123000000
1981-10-01	116000000
1982-01-01	98000000
1982-04-01	126000000
1982-07-01	142000000
1982-10-01	138000000
1983-01-01	130000000
1983-04-01	141000000
1983-07-01	148000000
1983-10-01	127000000
1984-01-01	122000000
1984-04-01	149000000
1984-07-01	135000000
1984-10-01	164000000
1985-01-01	135000000
1985-04-01	242000000
1985-07-01	273000000
1985-10-01	194000000
1986-01-01	157000000
1986-04-01	172000000
1986-07-01	238000000
1986-10-01	277000000
1987-01-01	265000000
1987-04-01	230000000
1987-07-01	282000000
1987-10-01	288000000
1988-01-01	258000000
1988-04-01	297000000
1988-07-01	351000000
1988-10-01	463000000
1989-01-01	436000000
1989-04-01	472000000
1989-07-01	478000000
1989-10-01	489000000
1990-01-01	465000000
1990-04-01	637000000
1990-07-01	679000000
1990-10-01	707000000
1991-01-01	548000000
1991-04-01	709000000
1991-07-01	769000000
1991-10-01	796000000
1992-01-01	607000000
1992-04-01	848000000
1992-07-01	965000000
1992-10-01	971000000
1993-01-01	871000000
1993-04-01	983000000
1993-07-01	1071000000
1993-10-01	1034000000
1994-01-01	1005000000
1994-04-01	1131000000
1994-07-01	1344000000
1994-10-01	1317000000
1995-01-01	1283000000
1995-04-01	1265000000
1995-07-01	1439000000
1995-10-01	1482000000
1996-01-01	1512000000
1996-04-01	1651000000
1996-07-01	1739000000
1996-10-01	1697000000
1997-01-01	1563000000
1997-04-01	1729000000
1997-07-01	1982000000
1997-10-01	1667000000
1998-01-01	1047000000
1998-04-01	1008000000
1998-07-01	1244000000
1998-10-01	1180000000
1999-01-01	1157000000
1999-04-01	1129000000
1999-07-01	1211000000
1999-10-01	1102000000
2000-01-01	1134000000
2000-04-01	1236000000
2000-07-01	1438000000
2000-10-01	1406000000
2001-01-01	1264000000
2001-04-01	1330000000
2001-07-01	1589000000
2001-10-01	1318000000
2002-01-01	1588000000
2002-04-01	1665000000
2002-07-01	1886000000
2002-10-01	1524000000
2003-01-01	1235000000
2003-04-01	1099000000
2003-07-01	1465000000
2003-10-01	1494000000
2004-01-01	3478000000
2004-04-01	3153000000
2004-07-01	2759000000
2004-10-01	2656000000
2005-01-01	3589000000
2005-04-01	3158000000
2005-07-01	3200000000
2005-10-01	2979000000
2006-01-01	2961000000
2006-04-01	2823000000
2006-07-01	2683000000
2006-10-01	3052000000
2007-01-01	3120000000
2007-04-01	3025000000
2007-07-01	3000000000
2007-10-01	3342000000
2008-01-01	3930000000
2008-04-01	3765000000
2008-07-01	3853000000
2008-10-01	3699000000
2009-01-01	2926000000
2009-04-01	3031000000
2009-07-01	3549000000
2009-10-01	3649000000
2010-01-01	3873000000
2010-04-01	4015000000
2010-07-01	4334000000
2010-10-01	4544000000
2011-01-01	4482000000
2011-04-01	4528000000
2011-07-01	5389000000
2011-10-01	6292000000
2012-01-01	5834000000
2012-04-01	5753000000
2012-07-01	5465000000
2012-10-01	6062000000
2013-01-01	5621000000
2013-04-01	5402000000
2013-07-01	5533000000
2013-10-01	6006000000