Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	639000000
1980-04-01	477000000
1980-07-01	495000000
1980-10-01	1118000000
1981-01-01	795000000
1981-04-01	491000000
1981-07-01	540000000
1981-10-01	870000000
1982-01-01	837000000
1982-04-01	453000000
1982-07-01	188000000
1982-10-01	715000000
1983-01-01	408000000
1983-04-01	432000000
1983-07-01	330000000
1983-10-01	1269000000
1984-01-01	389000000
1984-04-01	367000000
1984-07-01	382000000
1984-10-01	1873000000
1985-01-01	698000000
1985-04-01	726000000
1985-07-01	1406000000
1985-10-01	1905000000
1986-01-01	790000000
1986-04-01	1111000000
1986-07-01	1008000000
1986-10-01	1991000000
1987-01-01	869000000
1987-04-01	793000000
1987-07-01	550000000
1987-10-01	1935000000
1988-01-01	926000000
1988-04-01	542000000
1988-07-01	609000000
1988-10-01	1971000000
1989-01-01	848000000
1989-04-01	694000000
1989-07-01	761000000
1989-10-01	1772000000
1990-01-01	1044000000
1990-04-01	794000000
1990-07-01	1060000000
1990-10-01	2163000000
1991-01-01	1466000000
1991-04-01	1736000000
1991-07-01	773000000
1991-10-01	1758000000
1992-01-01	753000000
1992-04-01	1627000000
1992-07-01	853000000
1992-10-01	2445000000
1993-01-01	862000000
1993-04-01	809000000
1993-07-01	1497000000
1993-10-01	2439000000
1994-01-01	787000000
1994-04-01	922000000
1994-07-01	1569000000
1994-10-01	2323000000
1995-01-01	876000000
1995-04-01	1063000000
1995-07-01	1287000000
1995-10-01	2446000000
1996-01-01	1098000000
1996-04-01	1046000000
1996-07-01	1357000000
1996-10-01	2636000000
1997-01-01	1087000000
1997-04-01	1208000000
1997-07-01	1204000000
1997-10-01	2582000000
1998-01-01	1118000000
1998-04-01	1341000000
1998-07-01	1115000000
1998-10-01	2503000000
1999-01-01	991000000
1999-04-01	1339000000
1999-07-01	1439000000
1999-10-01	2505000000
2000-01-01	1468000000
2000-04-01	1265000000
2000-07-01	1396000000
2000-10-01	2340000000
2001-01-01	1541000000
2001-04-01	1459000000
2001-07-01	1252000000
2001-10-01	2407000000
2002-01-01	1483000000
2002-04-01	1603000000
2002-07-01	1355000000
2002-10-01	2344000000
2003-01-01	1418000000
2003-04-01	1619000000
2003-07-01	1238000000
2003-10-01	2136000000
2004-01-01	1451000000
2004-04-01	1194000000
2004-07-01	1489000000
2004-10-01	2141000000
2005-01-01	1348000000
2005-04-01	1513000000
2005-07-01	1530000000
2005-10-01	1557000000
2006-01-01	1413000000
2006-04-01	1532000000
2006-07-01	2225000000
2006-10-01	2338000000
2007-01-01	1675000000
2007-04-01	1829000000
2007-07-01	2021000000
2007-10-01	1801000000
2008-01-01	2146000000
2008-04-01	2061000000
2008-07-01	2181000000
2008-10-01	2066000000
2009-01-01	1660000000
2009-04-01	1507000000
2009-07-01	2021000000
2009-10-01	2038000000
2010-01-01	2084000000
2010-04-01	2238000000
2010-07-01	1810000000
2010-10-01	2103000000
2011-01-01	2343000000
2011-04-01	2142000000
2011-07-01	2093000000
2011-10-01	2199000000
2012-01-01	2239000000
2012-04-01	1953000000
2012-07-01	2048000000
2012-10-01	1933000000
2013-01-01	2111000000
2013-04-01	2041000000
2013-07-01	2330000000
2013-10-01	2585000000
2014-01-01	2761000000
2014-04-01	2609000000
2014-07-01	2179000000
2014-10-01	2580000000