Quarter	Percent
1999-04-01	6.89819219790676
2000-01-01	9.18573875136229
2000-04-01	8.07829734348299
2000-07-01	8.46650276582668
2000-10-01	8.88274166282465
2001-01-01	8.00185729763194
2001-04-01	6.94358338499690
2001-07-01	7.24592707525213
2001-10-01	7.57740781079820
2002-01-01	7.13727940028112
2002-04-01	5.91364205256571
2002-07-01	5.27964906783644
2002-10-01	7.95614722004698
2003-01-01	6.75505050505050
2003-04-01	6.63192799621033
2003-07-01	5.33354310887351
2003-10-01	4.57846542469214
2004-01-01	6.12800000000000
2004-04-01	6.31075697211156
2004-07-01	6.35072602521143
2004-10-01	5.28753993610224
2005-01-01	6.17283950617284
2005-04-01	5.76059050064185
2005-07-01	3.65539452495974
2005-10-01	4.09338023664854
2006-01-01	4.24815646040398
2006-04-01	3.45987506006728
2006-07-01	2.85256410256410
2006-10-01	3.47533632286996
2007-01-01	3.81703978096312
2007-04-01	3.22164948453608
2007-07-01	2.67396907216495
2007-10-01	2.56327583427374
2008-01-01	2.05004035512510
2008-04-01	2.47292710522062
2008-07-01	4.01164671627305
2008-10-01	4.69460688758934
2009-01-01	7.62229806598407
2009-04-01	9.26465824425008
2009-07-01	9.75452196382429
2009-10-01	11.13091380427740
2010-01-01	13.87133365742990
2010-04-01	12.27073527024830
2010-07-01	8.83495145631068
2010-10-01	7.98251295336788
2011-01-01	8.70481439455341
2011-04-01	7.81199351701783
2011-07-01	5.96434359805510
2011-10-01	7.00275571405414
2012-01-01	7.11378805144066
2012-04-01	6.47634584013051
2012-07-01	5.47142159257450
2012-10-01	5.63151041666667
2013-01-01	6.13346418056918
2013-04-01	4.61739272311960
2013-07-01	4.56174649723037
2013-10-01	5.24081632653061
2014-01-01	5.24852844996730
2014-04-01	4.47858777378228
2014-07-01	4.65762379473770