Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	655000000
1980-04-01	682000000
1980-07-01	698000000
1980-10-01	686000000
1981-01-01	647000000
1981-04-01	769000000
1981-07-01	729000000
1981-10-01	658000000
1982-01-01	603000000
1982-04-01	703000000
1982-07-01	674000000
1982-10-01	661000000
1983-01-01	595000000
1983-04-01	711000000
1983-07-01	769000000
1983-10-01	673000000
1984-01-01	614000000
1984-04-01	780000000
1984-07-01	737000000
1984-10-01	686000000
1985-01-01	700000000
1985-04-01	870000000
1985-07-01	827000000
1985-10-01	755000000
1986-01-01	720000000
1986-04-01	821000000
1986-07-01	797000000
1986-10-01	784000000
1987-01-01	836000000
1987-04-01	978000000
1987-07-01	983000000
1987-10-01	1001000000
1988-01-01	1042000000
1988-04-01	1042000000
1988-07-01	1051000000
1988-10-01	989000000
1989-01-01	1030000000
1989-04-01	1181000000
1989-07-01	1102000000
1989-10-01	1035000000
1990-01-01	1101000000
1990-04-01	1280000000
1990-07-01	1149000000
1990-10-01	1039000000
1991-01-01	950000000
1991-04-01	1150000000
1991-07-01	1265000000
1991-10-01	1307000000
1992-01-01	1334000000
1992-04-01	1515000000
1992-07-01	1511000000
1992-10-01	1451000000
1993-01-01	1311000000
1993-04-01	1528000000
1993-07-01	1599000000
1993-10-01	1528000000
1994-01-01	1452000000
1994-04-01	1640000000
1994-07-01	1762000000
1994-10-01	1725000000
1995-01-01	1778000000
1995-04-01	2100000000
1995-07-01	2079000000
1995-10-01	2083000000
1996-01-01	2013000000
1996-04-01	2160000000
1996-07-01	2112000000
1996-10-01	2207000000
1997-01-01	2137000000
1997-04-01	2434000000
1997-07-01	2499000000
1997-10-01	2350000000
1998-01-01	2220000000
1998-04-01	2894000000
1998-07-01	2649000000
1998-10-01	2615000000
1999-01-01	2795000000
1999-04-01	3093000000
1999-07-01	3399000000
1999-10-01	3515000000
2000-01-01	3475000000
2000-04-01	3932000000
2000-07-01	5575000000
2000-10-01	3291000000
2001-01-01	3511000000
2001-04-01	3303000000
2001-07-01	3116000000
2001-10-01	3088000000
2002-01-01	2799000000
2002-04-01	3002000000
2002-07-01	2973000000
2002-10-01	3371000000
2003-01-01	3272000000
2003-04-01	3182000000
2003-07-01	3487000000
2003-10-01	3639000000
2004-01-01	3527000000
2004-04-01	3844000000
2004-07-01	3948000000
2004-10-01	4627000000
2005-01-01	3882000000
2005-04-01	4315000000
2005-07-01	4408000000
2005-10-01	4881000000
2006-01-01	4320000000
2006-04-01	4937000000
2006-07-01	4531000000
2006-10-01	5274000000
2007-01-01	4771000000
2007-04-01	5332000000
2007-07-01	5359000000
2007-10-01	5944000000
2008-01-01	6398000000
2008-04-01	6332000000
2008-07-01	6168000000
2008-10-01	6137000000
2009-01-01	4928000000
2009-04-01	6141000000
2009-07-01	5209000000
2009-10-01	6259000000
2010-01-01	5669000000
2010-04-01	6090000000
2010-07-01	6421000000
2010-10-01	7194000000
2011-01-01	6318000000
2011-04-01	6810000000
2011-07-01	6708000000
2011-10-01	7550000000
2012-01-01	6844000000
2012-04-01	8172000000
2012-07-01	7645000000
2012-10-01	8520000000
2013-01-01	7680000000
2013-04-01	8904000000
2013-07-01	7934000000
2013-10-01	9217000000
2014-01-01	8031000000
2014-04-01	8901000000
2014-07-01	8276000000
2014-10-01	9165000000