Quarter	Percent
1999-04-01	3.21661018772524
1999-07-01	3.15885444599378
1999-10-01	2.83824157063594
2000-01-01	2.64671424006816
2000-04-01	2.40055233947634
2000-07-01	2.50952986022872
2000-10-01	2.21627015387847
2001-01-01	2.06061241610738
2001-04-01	2.09084731587476
2001-07-01	2.48308172826653
2001-10-01	2.33364379592259
2002-01-01	2.57931390250193
2002-04-01	2.51785622527105
2002-07-01	2.71266250383867
2002-10-01	2.67629998982395
2003-01-01	2.77298996248606
2003-04-01	2.66538539348574
2003-07-01	3.05258915978239
2003-10-01	2.71339173967459
2004-01-01	2.65535313201897
2004-04-01	2.76451869530628
2004-07-01	2.90916287354047
2004-10-01	2.64578833693305
2005-01-01	2.49511718750000
2005-04-01	2.57406508013599
2005-07-01	2.78876773135193
2005-10-01	2.58839289986125
2006-01-01	2.49300914735296
2006-04-01	2.62126292920229
2006-07-01	2.93359576362529
2006-10-01	2.55085416375739
2007-01-01	2.97208462571177
2007-04-01	3.07217539496108
2007-07-01	3.09198188720670
2007-10-01	3.13422666363843
2008-01-01	3.55417061825408
2008-04-01	4.12889775199420
2008-07-01	5.00180570603106
2008-10-01	5.59823875634632
2009-01-01	7.39180560482440
2009-04-01	8.91584399486476
2009-07-01	9.03339969033400
2009-10-01	8.94373673036094
2010-01-01	9.11382329530379
2010-04-01	9.43204419889503
2010-07-01	9.47921727991519
2010-10-01	9.48348109920162
2011-01-01	9.40792664109686
2011-04-01	9.58566333494782
2011-07-01	9.70540314412788
2011-10-01	9.50493305144468
2012-01-01	9.61589287287464
2012-04-01	9.81981585091854
2012-07-01	9.67386998811672
2012-10-01	8.81938946071963
2013-01-01	8.33113630371737
2013-04-01	8.54956460550620
2013-07-01	8.03297377883013
2013-10-01	7.05434163856899
2014-01-01	7.26707258311796
2014-04-01	7.23747697166418
2014-07-01	6.78641840087623