Quarter	Percent
1999-01-01	3.02187356160820
1999-04-01	2.82483610337016
1999-07-01	2.88871714059160
1999-10-01	2.70243118344384
2000-01-01	2.75767670769633
2000-04-01	2.69363661089341
2000-07-01	2.62091898428053
2000-10-01	2.50638199118125
2001-01-01	2.47133529739629
2001-04-01	2.31052683995618
2001-07-01	2.30590626899582
2001-10-01	2.27642114289703
2002-01-01	2.36888321226152
2002-04-01	2.29455816275587
2002-07-01	2.45963874680307
2002-10-01	2.45124011556418
2003-01-01	2.64798598949212
2003-04-01	2.41591378032412
2003-07-01	2.40792349178980
2003-10-01	2.32667803752383
2004-01-01	2.52888576308651
2004-04-01	2.42597360798198
2004-07-01	2.55881554198811
2004-10-01	2.64206374758532
2005-01-01	2.96062231435731
2005-04-01	3.00110741971207
2005-07-01	3.09872204151099
2005-10-01	3.11108424509863
2006-01-01	3.25882198873767
2006-04-01	3.08180855889914
2006-07-01	3.20870170062198
2006-10-01	3.22284630976030
2007-01-01	3.19104932355404
2007-04-01	2.99641721754050
2007-07-01	3.09755063303919
2007-10-01	3.31010804806624
2008-01-01	3.36007112116865
2008-04-01	3.22694784516312
2008-07-01	3.31358194466915
2008-10-01	3.40821773769564
2009-01-01	4.07861561984224
2009-04-01	4.07036245174234
2009-07-01	4.42317247533387
2009-10-01	4.48266769436725
2010-01-01	5.05026935446236
2010-04-01	4.80297941000376
2010-07-01	4.72691101389552
2010-10-01	4.69422998780983
2011-01-01	4.97304322222335
2011-04-01	4.68557712844401
2011-07-01	4.70080687009697
2011-10-01	4.67394403486620
2012-01-01	5.13795317643941
2012-04-01	4.81669624824041
2012-07-01	4.67012223741404
2012-10-01	4.78135241926427
2013-01-01	5.19718022067838
2013-04-01	4.59653751367713
2013-07-01	4.44203461963416
2013-10-01	4.12697113269138
2014-01-01	3.78604784532197
2014-04-01	3.67925205285657
2014-07-01	3.41212195822562