Quarter	Percent
1999-04-01	5.53408676631425
2000-01-01	7.87634214887944
2000-04-01	6.51484577688094
2000-07-01	7.05343729880535
2000-10-01	7.34988907178129
2001-01-01	6.87364620938628
2001-04-01	6.35838150289017
2001-07-01	6.18005920150170
2001-10-01	6.07135103842536
2002-01-01	5.70267721105710
2002-04-01	4.76432565908926
2002-07-01	5.12689986182823
2002-10-01	6.08904408555216
2003-01-01	5.41352281884111
2003-04-01	5.56043956043956
2003-07-01	4.85827001753361
2003-10-01	4.53247418906056
2004-01-01	5.09389324264380
2004-04-01	5.08849557522124
2004-07-01	5.19049025398700
2004-10-01	4.69119385342790
2005-01-01	4.73048120412249
2005-04-01	4.20099458175610
2005-07-01	3.46825102116599
2005-10-01	3.54473469991860
2006-01-01	3.33878643664485
2006-04-01	3.22964726893883
2006-07-01	2.75672462475851
2006-10-01	2.85056788657115
2007-01-01	2.69078406457882
2007-04-01	2.55681818181818
2007-07-01	2.11430706014195
2007-10-01	2.09952181709504
2008-01-01	2.12016781540306
2008-04-01	2.02262341748446
2008-07-01	3.28188221189870
2008-10-01	3.92819588403185
2009-01-01	5.77791152572976
2009-04-01	6.73228642272147
2009-07-01	7.51219512195122
2009-10-01	7.94532892760589
2010-01-01	10.07069795427200
2010-04-01	9.40441231834952
2010-07-01	7.85671282360024
2010-10-01	6.96273993225442
2011-01-01	7.36103778565503
2011-04-01	6.74504484135956
2011-07-01	5.61501356647573
2011-10-01	5.85306984462212
2012-01-01	5.86274806847447
2012-04-01	5.21449143550098
2012-07-01	4.99091184489549
2012-10-01	4.68548936492317
2013-01-01	5.13386066321874
2013-04-01	4.17869624677101
2013-07-01	4.04922889918712
2013-10-01	4.47704469443600
2014-01-01	4.31369560246932
2014-04-01	3.63483959460489
2014-07-01	3.91035902126686