Quarter	Percent
2006-01-01	3.30949587087918
2006-04-01	2.56681926608070
2006-07-01	2.79842152361113
2006-10-01	2.79653803742172
2007-01-01	3.16411495322061
2007-04-01	2.70483998749846
2007-07-01	2.86273287874726
2007-10-01	2.99185065310369
2008-01-01	3.36597263139394
2008-04-01	2.77019650655022
2008-07-01	3.14136725524934
2008-10-01	3.79557040654586
2009-01-01	4.66817208465271
2009-04-01	4.23952966364590
2009-07-01	4.31774039196589
2009-10-01	4.09086866730566
2010-01-01	4.46563048086641
2010-04-01	3.54769020423118
2010-07-01	3.65960008118758
2010-10-01	3.44565743869773
2011-01-01	3.66589914293183
2011-04-01	3.16034058509850
2011-07-01	3.08690832073952
2011-10-01	2.93755784351150
2012-01-01	3.28395210038606
2012-04-01	2.70763133971683
2012-07-01	2.87903000442239
2012-10-01	3.09793750304263
2013-01-01	3.42797078432457
2013-04-01	3.04748529326699
2013-07-01	3.32897927216548
2013-10-01	3.31331342038341
2014-01-01	3.73557771960635
2014-04-01	3.36657051294769
2014-07-01	3.85675730961352
2014-10-01	4.06221317401226