Quarter	Percent
1999-01-01	4.36667171411266
1999-04-01	4.41566310686965
1999-07-01	4.86192658812834
1999-10-01	4.67935966657194
2000-01-01	4.82959930247545
2000-04-01	4.57915394679459
2000-07-01	4.52795113530740
2000-10-01	4.42083293805142
2001-01-01	4.43009031668000
2001-04-01	4.16182105885269
2001-07-01	4.37386742966142
2001-10-01	4.15084257333155
2002-01-01	3.97648091938224
2002-04-01	3.69238993470541
2002-07-01	3.95050884997995
2002-10-01	4.02146307930264
2003-01-01	4.14804629311333
2003-04-01	4.18489160538630
2003-07-01	4.40957507731073
2003-10-01	4.38507775975575
2004-01-01	4.44554776863292
2004-04-01	4.17486297053150
2004-07-01	4.24894015200703
2004-10-01	4.28241403669550
2005-01-01	4.14152600626289
2005-04-01	4.23570283270978
2005-07-01	4.30421267425673
2005-10-01	4.36936679433678
2006-01-01	4.22986052892310
2006-04-01	3.83633662234752
2006-07-01	3.82462686567164
2006-10-01	3.52558617148725
2007-01-01	3.27448260134172
2007-04-01	2.81871810922058
2007-07-01	2.78330396559238
2007-10-01	2.71537705166024
2008-01-01	2.54828730949147
2008-04-01	2.22063172169589
2008-07-01	2.38596623171511
2008-10-01	2.41870414500966
2009-01-01	2.88746390670117
2009-04-01	3.16187764582475
2009-07-01	3.65506921062477
2009-10-01	3.53040067245727
2010-01-01	3.75436826073144
2010-04-01	3.52580862030328
2010-07-01	3.63310494184418
2010-10-01	3.48242930687160
2011-01-01	3.48649964423473
2011-04-01	3.37476135215064
2011-07-01	3.34162815499467
2011-10-01	3.23938130061533
2012-01-01	3.43318747896331
2012-04-01	3.37576403297258
2012-07-01	3.61258989446157
2012-10-01	3.68716962100977
2013-01-01	3.69083641525645
2013-04-01	3.55815386914212
2013-07-01	3.68122221807179
2013-10-01	3.53840118071254
2014-01-01	3.48224299065421
2014-04-01	3.18812954345836
2014-07-01	3.19254263884478