Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	674000000
1980-04-01	509000000
1980-07-01	527000000
1980-10-01	1154000000
1981-01-01	842000000
1981-04-01	550000000
1981-07-01	583000000
1981-10-01	919000000
1982-01-01	894000000
1982-04-01	510000000
1982-07-01	243000000
1982-10-01	770000000
1983-01-01	478000000
1983-04-01	488000000
1983-07-01	389000000
1983-10-01	1338000000
1984-01-01	454000000
1984-04-01	437000000
1984-07-01	443000000
1984-10-01	1908000000
1985-01-01	737000000
1985-04-01	762000000
1985-07-01	1437000000
1985-10-01	1935000000
1986-01-01	822000000
1986-04-01	1141000000
1986-07-01	1038000000
1986-10-01	2026000000
1987-01-01	917000000
1987-04-01	849000000
1987-07-01	601000000
1987-10-01	1990000000
1988-01-01	988000000
1988-04-01	595000000
1988-07-01	654000000
1988-10-01	2019000000
1989-01-01	884000000
1989-04-01	738000000
1989-07-01	801000000
1989-10-01	1814000000
1990-01-01	1099000000
1990-04-01	842000000
1990-07-01	1106000000
1990-10-01	2220000000
1991-01-01	1527000000
1991-04-01	1803000000
1991-07-01	922000000
1991-10-01	1835000000
1992-01-01	835000000
1992-04-01	1711000000
1992-07-01	938000000
1992-10-01	2518000000
1993-01-01	937000000
1993-04-01	884000000
1993-07-01	1572000000
1993-10-01	2517000000
1994-01-01	849000000
1994-04-01	978000000
1994-07-01	1635000000
1994-10-01	2389000000
1995-01-01	941000000
1995-04-01	1132000000
1995-07-01	1348000000
1995-10-01	2520000000
1996-01-01	1177000000
1996-04-01	1124000000
1996-07-01	1439000000
1996-10-01	2700000000
1997-01-01	1170000000
1997-04-01	1292000000
1997-07-01	1285000000
1997-10-01	2661000000
1998-01-01	1222000000
1998-04-01	1478000000
1998-07-01	1296000000
1998-10-01	2687000000
1999-01-01	1204000000
1999-04-01	1536000000
1999-07-01	1643000000
1999-10-01	2739000000
2000-01-01	1694000000
2000-04-01	1503000000
2000-07-01	1651000000
2000-10-01	2618000000
2001-01-01	1812000000
2001-04-01	1730000000
2001-07-01	1571000000
2001-10-01	2678000000
2002-01-01	1831000000
2002-04-01	1963000000
2002-07-01	1691000000
2002-10-01	2681000000
2003-01-01	1734000000
2003-04-01	1891000000
2003-07-01	1522000000
2003-10-01	2409000000
2004-01-01	1712000000
2004-04-01	1489000000
2004-07-01	1745000000
2004-10-01	2409000000
2005-01-01	1625000000
2005-04-01	1793000000
2005-07-01	1811000000
2005-10-01	1812000000
2006-01-01	1672000000
2006-04-01	1806000000
2006-07-01	2563000000
2006-10-01	2626000000
2007-01-01	1999000000
2007-04-01	2162000000
2007-07-01	2345000000
2007-10-01	2163000000
2008-01-01	2403000000
2008-04-01	2331000000
2008-07-01	2436000000
2008-10-01	2317000000
2009-01-01	2003000000
2009-04-01	1867000000
2009-07-01	2409000000
2009-10-01	2410000000
2010-01-01	2446000000
2010-04-01	2604000000
2010-07-01	2200000000
2010-10-01	2486000000
2011-01-01	2699000000
2011-04-01	2460000000
2011-07-01	2481000000
2011-10-01	2493000000
2012-01-01	2604000000
2012-04-01	2303000000
2012-07-01	2387000000
2012-10-01	2263000000
2013-01-01	2503000000
2013-04-01	2347000000
2013-07-01	2702000000
2013-10-01	2938000000
2014-01-01	3130000000
2014-04-01	2932000000
2014-07-01	2551000000
2014-10-01	2897000000