Quarter	US Dollars, Sum Over Component Sub-periods
1981-01-01	28000000
1981-04-01	20000000
1981-07-01	27000000
1981-10-01	35000000
1982-01-01	26000000
1982-04-01	21000000
1982-07-01	20000000
1982-10-01	32000000
1983-01-01	28000000
1983-04-01	21000000
1983-07-01	18000000
1983-10-01	33000000
1984-01-01	19000000
1984-04-01	23000000
1984-07-01	19000000
1984-10-01	29000000
1985-01-01	20000000
1985-04-01	14000000
1985-07-01	23000000
1985-10-01	31000000
1986-01-01	21000000
1986-04-01	22000000
1986-07-01	23000000
1986-10-01	35000000
1987-01-01	25000000
1987-04-01	30000000
1987-07-01	27000000
1987-10-01	44000000
1988-01-01	34000000
1988-04-01	31000000
1988-07-01	38000000
1988-10-01	63000000
1989-01-01	31000000
1989-04-01	36000000
1989-07-01	33000000
1989-10-01	65000000
1990-01-01	39000000
1990-04-01	41000000
1990-07-01	43000000
1990-10-01	97000000
1991-01-01	44000000
1991-04-01	47000000
1991-07-01	47000000
1991-10-01	103000000
1992-01-01	300000000
1992-04-01	356000000
1992-07-01	331000000
1992-10-01	681000000
1993-01-01	286000000
1993-04-01	310000000
1993-07-01	322000000
1993-10-01	605000000
1994-01-01	354000000
1994-04-01	296000000
1994-07-01	313000000
1994-10-01	329000000
1995-01-01	321000000
1995-04-01	281000000
1995-07-01	356000000
1995-10-01	322000000
1996-01-01	397000000
1996-04-01	327000000
1996-07-01	304000000
1996-10-01	299000000
1997-01-01	404000000
1997-04-01	371000000
1997-07-01	343000000
1997-10-01	351000000
1998-01-01	387000000
1998-04-01	366000000
1998-07-01	379000000
1998-10-01	386000000
1999-01-01	461000000
1999-04-01	397000000
1999-07-01	451000000
1999-10-01	402000000
2000-01-01	411000000
2000-04-01	439000000
2000-07-01	396000000
2000-10-01	412000000
2001-01-01	430000000
2001-04-01	403000000
2001-07-01	498000000
2001-10-01	485000000
2002-01-01	444000000
2002-04-01	455000000
2002-07-01	474000000
2002-10-01	503000000
2003-01-01	510000000
2003-04-01	495000000
2003-07-01	532000000
2003-10-01	512000000
2004-01-01	804000000
2004-04-01	501000000
2004-07-01	566000000
2004-10-01	683000000
2005-01-01	1067000000
2005-04-01	817000000
2005-07-01	776000000
2005-10-01	798000000
2006-01-01	427000000
2006-04-01	627000000
2006-07-01	779000000
2006-10-01	821000000
2007-01-01	832000000
2007-04-01	650000000
2007-07-01	1056000000
2007-10-01	693000000
2008-01-01	1076000000
2008-04-01	882000000
2008-07-01	973000000
2008-10-01	624000000
2009-01-01	869000000
2009-04-01	658000000
2009-07-01	780000000
2009-10-01	920000000
2010-01-01	969000000
2010-04-01	610000000
2010-07-01	968000000
2010-10-01	816000000
2011-01-01	1041000000
2011-04-01	761000000
2011-07-01	1008000000
2011-10-01	936000000
2012-01-01	1261000000
2012-04-01	747000000
2012-07-01	1117000000
2012-10-01	115000000
2013-01-01	1186000000
2013-04-01	1229000000
2013-07-01	1329000000
2013-10-01	578000000
2014-01-01	1454000000
2014-04-01	809000000