Quarter	Percent
1999-04-01	1.5691203337782
2000-01-01	1.6898330000000
2000-04-01	1.2784440000000
2000-07-01	1.2635330000000
2000-10-01	1.2742690000000
2001-01-01	1.2868750000000
2001-04-01	1.0742290000000
2001-07-01	0.9297836000000
2001-10-01	1.0039170000000
2002-01-01	1.3788390000000
2002-04-01	1.3709520000000
2002-07-01	1.5055120000000
2002-10-01	1.5916920000000
2003-01-01	2.0686360000000
2003-04-01	2.0293100000000
2003-07-01	2.0189100000000
2003-10-01	2.1838490000000
2004-01-01	2.6911770000000
2004-04-01	2.5553920000000
2004-07-01	2.3663100000000
2004-10-01	2.5838760000000
2005-01-01	2.9499410000000
2005-04-01	2.6946520000000
2005-07-01	2.3995700000000
2005-10-01	2.3898550000000
2006-01-01	2.4437500000000
2006-04-01	2.0852070000000
2006-07-01	1.9443060000000
2006-10-01	1.8497020000000
2007-01-01	1.9947110000000
2007-04-01	1.6657730000000
2007-07-01	1.5278210000000
2007-10-01	1.4597630000000
2008-01-01	1.7515860000000
2008-04-01	1.4953460000000
2008-07-01	1.3626290000000
2008-10-01	1.4479220000000
2009-01-01	1.8690660000000
2009-04-01	1.9252770000000
2009-07-01	2.0224750000000
2009-10-01	2.2413000000000
2010-01-01	2.8055740000000
2010-04-01	2.6122490000000
2010-07-01	2.4796140000000
2010-10-01	2.3829480000000
2011-01-01	2.6473340000000
2011-04-01	2.4891050000000
2011-07-01	2.4762280000000
2011-10-01	2.7559590000000
2012-01-01	3.0600850000000
2012-04-01	2.9995720000000
2012-07-01	3.0333340000000
2012-10-01	3.3369000000000
2013-01-01	4.0038840000000
2013-04-01	4.1380730000000
2013-07-01	4.1824130000000
2013-10-01	4.2217220000000
2014-01-01	4.4884430000000
2014-04-01	4.1396500000000
2014-07-01	3.8148820000000