Quarter	Percent
1999-04-01	4.06966884238889
2000-04-01	3.71422371543939
2001-04-01	3.70118186481964
2002-04-01	4.08999194701662
2003-04-01	4.69562210249987
2004-04-01	4.73189968257705
2005-01-01	5.75336951866474
2005-04-01	5.65125630482422
2005-07-01	5.57373914194720
2005-10-01	5.44729561446020
2006-01-01	5.69888450759504
2006-04-01	5.15489330389993
2006-07-01	4.98801359563899
2006-10-01	4.99678811245414
2007-01-01	4.79578706454956
2007-04-01	4.37230097287939
2007-07-01	4.32803305740443
2007-10-01	4.20655646156250
2008-01-01	4.18750330618265
2008-04-01	3.95788511418914
2008-07-01	3.69012825107800
2008-10-01	3.59982658560858
2009-01-01	4.12657850045078
2009-04-01	3.99287919284369
2009-07-01	4.03767890055789
2009-10-01	3.79053399529632
2010-01-01	4.12628683654641
2010-04-01	3.61621156900298
2010-07-01	3.46638017667709
2010-10-01	3.37928028548857
2011-01-01	3.38914429498458
2011-04-01	2.99413365374421
2011-07-01	2.95463063331361
2011-10-01	2.76219520637170
2012-01-01	3.00192056464097
2012-04-01	2.74618958955708
2012-07-01	2.76241427542707
2012-10-01	2.67817793497791
2013-01-01	2.98645982275912
2013-04-01	2.71677541047178
2013-07-01	2.65186095505618
2013-10-01	2.59552134534920
2014-01-01	2.83521634510106
2014-04-01	2.56210713856748
2014-07-01	2.54251700680272