Quarter	Percent
1999-01-01	7.34725013495260
1999-04-01	6.77659431787412
1999-07-01	6.76480915008576
1999-10-01	6.77977214155668
2000-01-01	6.62986622519556
2000-04-01	6.19288550637023
2000-07-01	6.17179607717621
2000-10-01	6.11644966165170
2001-01-01	4.84247055489542
2001-04-01	4.59772393338801
2001-07-01	4.61596969442538
2001-10-01	4.78360077092918
2002-01-01	5.26637684917666
2002-04-01	5.12190489178080
2002-07-01	5.32289343546980
2002-10-01	5.38353560885253
2003-01-01	5.59244893302751
2003-04-01	5.29874800340497
2003-07-01	5.35208248993880
2003-10-01	5.39776027921821
2004-01-01	5.45866182670675
2004-04-01	5.29253027027791
2004-07-01	5.15890883848333
2004-10-01	5.07796918555150
2005-01-01	4.92634747087224
2005-04-01	4.55248501270423
2005-07-01	4.10826374892024
2005-10-01	4.26717375147951
2006-01-01	4.44119327923191
2006-04-01	4.17714139978868
2006-07-01	4.00597642983136
2006-10-01	4.10400543170555
2007-01-01	4.18229527920502
2007-04-01	3.96167904412093
2007-07-01	4.01599103505932
2007-10-01	4.29542433351249
2008-01-01	4.82832499774068
2008-04-01	5.24087783660289
2008-07-01	5.69512147052254
2008-10-01	7.00127283961129
2009-01-01	8.75991654730839
2009-04-01	9.01229622404905
2009-07-01	8.96059763407523
2009-10-01	9.41157569533850
2010-01-01	10.01944132235710
2010-04-01	10.09340404403950
2010-07-01	9.93284810674985
2010-10-01	10.17290168488280
2011-01-01	10.64100762203360
2011-04-01	10.46715643906660
2011-07-01	10.78924701935720
2011-10-01	11.40103847713020
2012-01-01	12.22676431568390
2012-04-01	12.37011487306120
2012-07-01	12.57641355632090
2012-10-01	13.00384219153940
2013-01-01	13.57533769685020
2013-04-01	13.09370182397670
2013-07-01	12.89056230561350
2013-10-01	12.89103560910770
2014-01-01	12.90501493147620
2014-04-01	12.22263281453790
2014-07-01	11.79970694760280
2014-10-01	11.86443625612770