Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	13171000000
1994-04-01	17339000000
1994-07-01	18624000000
1994-10-01	18244000000
1995-01-01	18943000000
1995-04-01	20612000000
1995-07-01	20411000000
1995-10-01	22453000000
1996-01-01	20433000000
1996-04-01	21826000000
1996-07-01	21794000000
1996-10-01	25632000000
1997-01-01	20290000000
1997-04-01	20272000000
1997-07-01	21527000000
1997-10-01	24806000000
1998-01-01	17943000000
1998-04-01	18644000000
1998-07-01	19167000000
1998-10-01	18689000000
1999-01-01	15273000000
1999-04-01	17085000000
1999-07-01	18881000000
1999-10-01	24312000000
2000-01-01	23892000000
2000-04-01	25457000000
2000-07-01	26635000000
2000-10-01	29050000000
2001-01-01	25560000000
2001-04-01	26153000000
2001-07-01	25594000000
2001-10-01	24578000000
2002-01-01	21886000000
2002-04-01	26292000000
2002-07-01	28929000000
2002-10-01	30195000000
2003-01-01	31080000000
2003-04-01	31749000000
2003-07-01	34945000000
2003-10-01	38156000000
2004-01-01	37289000000
2004-04-01	43188000000
2004-07-01	48469000000
2004-10-01	54261000000
2005-01-01	50205000000
2005-04-01	59559000000
2005-07-01	64887000000
2005-10-01	69148000000
2006-01-01	67347000000
2006-04-01	76554000000
2006-07-01	79816000000
2006-10-01	79833000000
2007-01-01	71693000000
2007-04-01	83732000000
2007-07-01	89483000000
2007-10-01	109492000000
2008-01-01	110129000000
2008-04-01	126669000000
2008-07-01	136771000000
2008-10-01	98035000000
2009-01-01	57265000000
2009-04-01	68113000000
2009-07-01	82451000000
2009-10-01	95559000000
2010-01-01	92226000000
2010-04-01	97368000000
2010-07-01	97497000000
2010-10-01	113538000000
2011-01-01	113236000000
2011-04-01	133705000000
2011-07-01	130367000000
2011-10-01	144703000000
2012-01-01	131767000000
2012-04-01	131918000000