Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	1004000000
1980-04-01	1172000000
1980-07-01	1316000000
1980-10-01	1424000000
1981-01-01	1241000000
1981-04-01	1479000000
1981-07-01	1467000000
1981-10-01	1792000000
1982-01-01	1669000000
1982-04-01	1810000000
1982-07-01	1781000000
1982-10-01	1650000000
1983-01-01	1433000000
1983-04-01	1621000000
1983-07-01	1607000000
1983-10-01	1771000000
1984-01-01	1397000000
1984-04-01	1617000000
1984-07-01	1573000000
1984-10-01	1704000000
1985-01-01	1293000000
1985-04-01	1272000000
1985-07-01	1259000000
1985-10-01	1352000000
1986-01-01	1195000000
1986-04-01	1474000000
1986-07-01	1629000000
1986-10-01	1908000000
1987-01-01	1958000000
1987-04-01	2163000000
1987-07-01	2121000000
1987-10-01	2020000000
1988-01-01	1987000000
1988-04-01	2271000000
1988-07-01	2302000000
1988-10-01	2404000000
1989-01-01	2180000000
1989-04-01	2408000000
1989-07-01	2336000000
1989-10-01	2476000000
1990-01-01	2336000000
1990-04-01	2450000000
1990-07-01	2659000000
1990-10-01	2795000000
1991-01-01	2349000000
1991-04-01	2661000000
1991-07-01	2744000000
1991-10-01	2863000000
1992-01-01	2516000000
1992-04-01	2791000000
1992-07-01	2913000000
1992-10-01	2962000000
1993-01-01	3031000000
1993-04-01	3373000000
1993-07-01	3539000000
1993-10-01	3738000000
1994-01-01	3673000000
1994-04-01	4217000000
1994-07-01	4536000000
1994-10-01	5162000000
1995-01-01	5273000000
1995-04-01	6257000000
1995-07-01	6104000000
1995-10-01	6137000000
1996-01-01	5632000000
1996-04-01	6120000000
1996-07-01	6185000000
1996-10-01	6281000000
1997-01-01	6241000000
1997-04-01	6795000000
1997-07-01	6926000000
1997-10-01	7252000000
1998-01-01	6310000000
1998-04-01	6373000000
1998-07-01	6580000000
1998-10-01	7091000000
1999-01-01	6264000000
1999-04-01	6359000000
1999-07-01	6804000000
1999-10-01	7717000000
2000-01-01	7155000000
2000-04-01	7852000000
2000-07-01	8140000000
2000-10-01	8393000000
2001-01-01	7692000000
2001-04-01	7932000000
2001-07-01	7645000000
2001-10-01	6931000000
2002-01-01	6910000000
2002-04-01	7634000000
2002-07-01	8038000000
2002-10-01	7975000000
2003-01-01	8104000000
2003-04-01	8230000000
2003-07-01	8629000000
2003-10-01	10012000000
2004-01-01	10094000000
2004-04-01	10589000000
2004-07-01	11327000000
2004-10-01	12530000000
2005-01-01	12031000000
2005-04-01	11911000000
2005-07-01	12268000000
2005-10-01	13534000000
2006-01-01	13114000000
2006-04-01	13738000000
2006-07-01	14065000000
2006-10-01	15926000000
2007-01-01	17025000000
2007-04-01	17843000000
2007-07-01	17688000000
2007-10-01	20439000000
2008-01-01	21504000000
2008-04-01	23184000000
2008-07-01	23376000000
2008-10-01	22571000000
2009-01-01	17641000000
2009-04-01	17280000000
2009-07-01	17896000000
2009-10-01	20764000000
2010-01-01	18934000000
2010-04-01	22309000000
2010-07-01	21767000000
2010-10-01	24273000000
2011-01-01	21173000000
2011-04-01	23072000000
2011-07-01	25145000000
2011-10-01	25867000000
2012-01-01	25281000000
2012-04-01	27983000000
2012-07-01	29054000000
2012-10-01	29240000000
2013-01-01	26688000000
2013-04-01	28602000000
2013-07-01	27410000000
2013-10-01	30292000000