Quarter	US Dollars, Sum Over Component Sub-periods
1984-01-01	151000000
1984-04-01	195000000
1984-07-01	324000000
1984-10-01	254000000
1985-01-01	248000000
1985-04-01	397000000
1985-07-01	596000000
1985-10-01	290000000
1986-01-01	286000000
1986-04-01	404000000
1986-07-01	506000000
1986-10-01	373000000
1987-01-01	239000000
1987-04-01	587000000
1987-07-01	880000000
1987-10-01	412000000
1988-01-01	456000000
1988-04-01	977000000
1988-07-01	1452000000
1988-10-01	842000000
1989-01-01	613000000
1989-04-01	1009000000
1989-07-01	1471000000
1989-10-01	856000000
1990-01-01	590000000
1990-04-01	1283000000
1990-07-01	1753000000
1990-10-01	1319000000
1991-01-01	817000000
1991-04-01	1306000000
1991-07-01	1935000000
1991-10-01	1096000000
1992-01-01	759000000
1992-04-01	1286000000
1992-07-01	2030000000
1992-10-01	1732000000
1993-01-01	1051000000
1993-04-01	1902000000
1993-07-01	2324000000
1993-10-01	1463000000
1994-01-01	826000000
1994-04-01	2011000000
1994-07-01	2513000000
1994-10-01	1702000000
1995-01-01	1623000000
1995-04-01	2570000000
1995-07-01	3527000000
1995-10-01	1900000000
1996-01-01	1395000000
1996-04-01	1585000000
1996-07-01	2123000000
1996-10-01	1554000000
1997-01-01	1183000000
1997-04-01	2699000000
1997-07-01	4586000000
1997-10-01	2444000000
1998-01-01	1665000000
1998-04-01	3177000000
1998-07-01	4593000000
1998-10-01	4083000000
1999-01-01	1664000000
1999-04-01	1663000000
1999-07-01	2590000000
1999-10-01	1585000000
2000-01-01	1070000000
2000-04-01	2635000000
2000-07-01	4621000000
2000-10-01	3049000000
2001-01-01	1633000000
2001-04-01	2353000000
2001-07-01	3455000000
2001-10-01	1695000000
2002-01-01	703000000
2002-04-01	1699000000
2002-07-01	3576000000
2002-10-01	1907000000
2003-01-01	554000000
2003-04-01	1683000000
2003-07-01	6291000000
2003-10-01	1944000000
2004-01-01	786000000
2004-04-01	2660000000
2004-07-01	6934000000
2004-10-01	2650000000
2005-01-01	1174000000
2005-04-01	3334000000
2005-07-01	8636000000
2005-10-01	2872000000
2006-01-01	936000000
2006-04-01	3094000000
2006-07-01	7702000000
2006-10-01	2253000000
2007-01-01	1143000000
2007-04-01	2802000000
2007-07-01	8101000000
2007-10-01	1908000000
2008-01-01	1552000000
2008-04-01	3829000000
2008-07-01	10039000000
2008-10-01	3464000000
2009-01-01	1307000000
2009-04-01	3837000000
2009-07-01	9685000000
2009-10-01	3796000000
2010-01-01	1113000000
2010-04-01	3410000000
2010-07-01	8353000000
2010-10-01	3808000000
2011-01-01	1594000000
2011-04-01	4515000000
2011-07-01	9668000000
2011-10-01	4375000000
2012-01-01	2034000000
2012-04-01	5549000000
2012-07-01	9614000000
2012-10-01	5365000000
2013-01-01	2442000000
2013-04-01	5971000000
2013-07-01	9701000000
2013-10-01	4972000000
2014-01-01	2634000000
2014-04-01	6662000000