Quarter	US Dollars, Sum Over Component Sub-periods
1984-01-01	375000000
1984-04-01	406000000
1984-07-01	397000000
1984-10-01	471000000
1985-01-01	472000000
1985-04-01	389000000
1985-07-01	515000000
1985-10-01	475000000
1986-01-01	565000000
1986-04-01	417000000
1986-07-01	612000000
1986-10-01	624000000
1987-01-01	577000000
1987-04-01	604000000
1987-07-01	668000000
1987-10-01	618000000
1988-01-01	769000000
1988-04-01	673000000
1988-07-01	875000000
1988-10-01	570000000
1989-01-01	807000000
1989-04-01	736000000
1989-07-01	692000000
1989-10-01	776000000
1990-01-01	816000000
1990-04-01	744000000
1990-07-01	899000000
1990-10-01	966000000
1991-01-01	967000000
1991-04-01	863000000
1991-07-01	872000000
1991-10-01	896000000
1992-01-01	887000000
1992-04-01	849000000
1992-07-01	955000000
1992-10-01	946000000
1993-01-01	856000000
1993-04-01	1098000000
1993-07-01	1005000000
1993-10-01	920000000
1994-01-01	927000000
1994-04-01	997000000
1994-07-01	1029000000
1994-10-01	1201000000
1995-01-01	1067000000
1995-04-01	1333000000
1995-07-01	1046000000
1995-10-01	1247000000
1996-01-01	1005000000
1996-04-01	1109000000
1996-07-01	1084000000
1996-10-01	1306000000
1997-01-01	987000000
1997-04-01	1266000000
1997-07-01	1155000000
1997-10-01	1505000000
1998-01-01	1216000000
1998-04-01	1310000000
1998-07-01	1392000000
1998-10-01	1548000000
1999-01-01	1387000000
1999-04-01	1677000000
1999-07-01	1329000000
1999-10-01	1494000000
2000-01-01	1471000000
2000-04-01	1762000000
2000-07-01	1549000000
2000-10-01	2056000000
2001-01-01	2040000000
2001-04-01	2125000000
2001-07-01	1610000000
2001-10-01	1978000000
2002-01-01	1837000000
2002-04-01	1690000000
2002-07-01	1591000000
2002-10-01	1922000000
2003-01-01	2165000000
2003-04-01	1892000000
2003-07-01	1909000000
2003-10-01	1837000000
2004-01-01	2282000000
2004-04-01	1898000000
2004-07-01	1980000000
2004-10-01	2100000000
2005-01-01	2492000000
2005-04-01	2401000000
2005-07-01	2402000000
2005-10-01	2188000000
2006-01-01	2674000000
2006-04-01	2583000000
2006-07-01	2912000000
2006-10-01	2905000000
2007-01-01	3612000000
2007-04-01	3019000000
2007-07-01	3505000000
2007-10-01	3395000000
2008-01-01	4243000000
2008-04-01	4102000000
2008-07-01	3478000000
2008-10-01	3433000000
2009-01-01	3941000000
2009-04-01	3626000000
2009-07-01	3331000000
2009-10-01	2574000000
2010-01-01	3607000000
2010-04-01	2468000000
2010-07-01	2728000000
2010-10-01	2888000000
2011-01-01	4013000000
2011-04-01	2722000000
2011-07-01	2916000000
2011-10-01	2156000000
2012-01-01	3332000000
2012-04-01	2991000000
2012-07-01	3034000000
2012-10-01	2838000000
2013-01-01	3317000000
2013-04-01	4486000000
2013-07-01	3045000000
2013-10-01	3029000000
2014-01-01	3550000000
2014-04-01	3164000000