Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	452000000
1980-04-01	465000000
1980-07-01	611000000
1980-10-01	462000000
1981-01-01	482000000
1981-04-01	562000000
1981-07-01	715000000
1981-10-01	562000000
1982-01-01	549000000
1982-04-01	662000000
1982-07-01	769000000
1982-10-01	605000000
1983-01-01	663000000
1983-04-01	667000000
1983-07-01	855000000
1983-10-01	611000000
1984-01-01	630000000
1984-04-01	707000000
1984-07-01	834000000
1984-10-01	634000000
1985-01-01	561000000
1985-04-01	597000000
1985-07-01	641000000
1985-10-01	605000000
1986-01-01	576000000
1986-04-01	660000000
1986-07-01	817000000
1986-10-01	688000000
1987-01-01	693000000
1987-04-01	815000000
1987-07-01	1000000000
1987-10-01	881000000
1988-01-01	891000000
1988-04-01	901000000
1988-07-01	1139000000
1988-10-01	896000000
1989-01-01	900000000
1989-04-01	1087000000
1989-07-01	1245000000
1989-10-01	1044000000
1990-01-01	1063000000
1990-04-01	1162000000
1990-07-01	1490000000
1990-10-01	1207000000
1991-01-01	1116000000
1991-04-01	1184000000
1991-07-01	1565000000
1991-10-01	1313000000
1992-01-01	1140000000
1992-04-01	1292000000
1992-07-01	1682000000
1992-10-01	1430000000
1993-01-01	1353000000
1993-04-01	1493000000
1993-07-01	1946000000
1993-10-01	1606000000
1994-01-01	1571000000
1994-04-01	1781000000
1994-07-01	2272000000
1994-10-01	1967000000
1995-01-01	1791000000
1995-04-01	2037000000
1995-07-01	2309000000
1995-10-01	2228000000
1996-01-01	2066000000
1996-04-01	2105000000
1996-07-01	2641000000
1996-10-01	2193000000
1997-01-01	2002000000
1997-04-01	2246000000
1997-07-01	2746000000
1997-10-01	2187000000
1998-01-01	1997000000
1998-04-01	2392000000
1998-07-01	2829000000
1998-10-01	2293000000
1999-01-01	2334000000
1999-04-01	2554000000
1999-07-01	3029000000
1999-10-01	2613000000
2000-01-01	2808000000
2000-04-01	3023000000
2000-07-01	3532000000
2000-10-01	2985000000
2001-01-01	2820000000
2001-04-01	3205000000
2001-07-01	3483000000
2001-10-01	2711000000
2002-01-01	2523000000
2002-04-01	2779000000
2002-07-01	3315000000
2002-10-01	2612000000
2003-01-01	2428000000
2003-04-01	2851000000
2003-07-01	3568000000
2003-10-01	2770000000
2004-01-01	3012000000
2004-04-01	3175000000
2004-07-01	3868000000
2004-10-01	3199000000
2005-01-01	3104000000
2005-04-01	3642000000
2005-07-01	4034000000
2005-10-01	3463000000
2006-01-01	3232000000
2006-04-01	3600000000
2006-07-01	4348000000
2006-10-01	3917000000
2007-01-01	3758000000
2007-04-01	4112000000
2007-07-01	5182000000
2007-10-01	4668000000
2008-01-01	4446000000
2008-04-01	4830000000
2008-07-01	5733000000
2008-10-01	4856000000
2009-01-01	3855000000
2009-04-01	4242000000
2009-07-01	4939000000
2009-10-01	4408000000
2010-01-01	4116000000
2010-04-01	4463000000
2010-07-01	5385000000
2010-10-01	4710000000
2011-01-01	4210000000
2011-04-01	5017000000
2011-07-01	5971000000
2011-10-01	5343000000
2012-01-01	4956000000
2012-04-01	5114000000
2012-07-01	5850000000
2012-10-01	5098000000
2013-01-01	4731000000
2013-04-01	4928000000
2013-07-01	5747000000
2013-10-01	4836000000
2014-01-01	4878000000
2014-04-01	5462000000
2014-07-01	6248000000
2014-10-01	5363000000