Quarter	Percent
2005-01-01	3.43211983049188
2005-04-01	4.83958145658652
2005-07-01	3.98388601246401
2005-10-01	3.28010358221839
2006-01-01	3.88711537945650
2006-04-01	4.48283343277106
2006-07-01	3.56837378381268
2006-10-01	2.75001274924779
2007-01-01	3.36667046938181
2007-04-01	3.51399642644431
2007-07-01	4.37261648923616
2007-10-01	3.78885773497501
2008-01-01	3.17867243004621
2008-04-01	4.09289413995057
2008-07-01	3.78383251076105
2008-10-01	3.54571827656603
2009-01-01	4.54742453463930
2009-04-01	6.33104902477596
2009-07-01	5.91951654992446
2009-10-01	4.31109027452206
2010-01-01	4.31325618895977
2010-04-01	4.72107749522565
2010-07-01	4.52727914722246
2010-10-01	3.66990893662062
2011-01-01	4.14466639589410
2011-04-01	3.72438454132857
2011-07-01	3.87873383860901
2011-10-01	3.75473031607010
2012-01-01	3.51057887019063
2012-04-01	3.81884106511729
2012-07-01	3.50391888118701
2012-10-01	3.04360509291087
2013-01-01	2.97303913943818
2013-04-01	3.42508744984032
2013-07-01	2.85676401308366
2013-10-01	2.43745985913018
2014-01-01	3.27590039025713
2014-04-01	3.64768736288936
2014-07-01	4.15774665757828
2014-10-01	3.23474493220752
2015-01-01	2.66570620818982
2015-04-01	3.05248178362276
2015-07-01	3.64270424118252
2015-10-01	2.83780507300773
2016-01-01	3.97763538893281
2016-04-01	3.97677986817448
2016-07-01	3.96388003904298
2016-10-01	3.78600632645973
2017-01-01	3.94919712167212
2017-04-01	4.69250909811516
2017-07-01	3.73735867273044
2017-10-01	3.58677100696394
2018-01-01	3.83040037399102
2018-04-01	4.24304052680673
2018-07-01	4.81524347263556