Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	244000000
1980-04-01	316000000
1980-07-01	326000000
1980-10-01	304000000
1981-01-01	329000000
1981-04-01	384000000
1981-07-01	491000000
1981-10-01	531000000
1982-01-01	416000000
1982-04-01	418000000
1982-07-01	542000000
1982-10-01	432000000
1983-01-01	369000000
1983-04-01	326000000
1983-07-01	387000000
1983-10-01	447000000
1984-01-01	376000000
1984-04-01	308000000
1984-07-01	325000000
1984-10-01	310000000
1985-01-01	279000000
1985-04-01	264000000
1985-07-01	224000000
1985-10-01	237000000
1986-01-01	225000000
1986-04-01	252000000
1986-07-01	237000000
1986-10-01	188000000
1987-01-01	223000000
1987-04-01	240000000
1987-07-01	226000000
1987-10-01	261000000
1988-01-01	312000000
1988-04-01	243000000
1988-07-01	256000000
1988-10-01	288000000
1989-01-01	313000000
1989-04-01	353000000
1989-07-01	349000000
1989-10-01	356000000
1990-01-01	350000000
1990-04-01	389000000
1990-07-01	426000000
1990-10-01	424000000
1991-01-01	395000000
1991-04-01	478000000
1991-07-01	411000000
1991-10-01	401000000
1992-01-01	367000000
1992-04-01	385000000
1992-07-01	470000000
1992-10-01	377000000
1993-01-01	443000000
1993-04-01	318000000
1993-07-01	301000000
1993-10-01	233000000
1994-01-01	270000000
1994-04-01	274000000
1994-07-01	271000000
1994-10-01	346000000
1995-01-01	377000000
1995-04-01	419000000
1995-07-01	389000000
1995-10-01	412000000
1996-01-01	415000000
1996-04-01	406000000
1996-07-01	383000000
1996-10-01	460000000
1997-01-01	415000000
1997-04-01	436000000
1997-07-01	478000000
1997-10-01	553000000
1998-01-01	535000000
1998-04-01	628000000
1998-07-01	638000000
1998-10-01	748000000
1999-01-01	633000000
1999-04-01	633000000
1999-07-01	729000000
1999-10-01	771000000
2000-01-01	801000000
2000-04-01	823000000
2000-07-01	1127000000
2000-10-01	865000000
2001-01-01	760000000
2001-04-01	762000000
2001-07-01	652000000
2001-10-01	550000000
2002-01-01	622000000
2002-04-01	620000000
2002-07-01	610000000
2002-10-01	690000000
2003-01-01	635000000
2003-04-01	911000000
2003-07-01	621000000
2003-10-01	748000000
2004-01-01	660000000
2004-04-01	677000000
2004-07-01	807000000
2004-10-01	902000000
2005-01-01	1247000000
2005-04-01	1361000000
2005-07-01	1417000000
2005-10-01	1584000000
2006-01-01	2054000000
2006-04-01	1958000000
2006-07-01	2085000000
2006-10-01	2314000000
2007-01-01	2637000000
2007-04-01	2724000000
2007-07-01	2852000000
2007-10-01	2697000000
2008-01-01	2073000000
2008-04-01	2019000000
2008-07-01	1826000000
2008-10-01	1443000000
2009-01-01	826000000
2009-04-01	1601000000
2009-07-01	1382000000
2009-10-01	1916000000
2010-01-01	1525000000
2010-04-01	1453000000
2010-07-01	1588000000
2010-10-01	1701000000
2011-01-01	1709000000
2011-04-01	1880000000
2011-07-01	1951000000
2011-10-01	2228000000
2012-01-01	2029000000
2012-04-01	1897000000
2012-07-01	1856000000
2012-10-01	1793000000
2013-01-01	1892000000
2013-04-01	1974000000
2013-07-01	2553000000
2013-10-01	1688000000
2014-01-01	2778000000
2014-04-01	2290000000
2014-07-01	2188000000
2014-10-01	1873000000