Quarter	Percent
2005-01-01	3.00653585565937
2005-04-01	2.61284714664563
2005-07-01	2.88776017622173
2005-10-01	2.35220291381070
2006-01-01	2.54972968226768
2006-04-01	2.39852416505627
2006-07-01	3.14400707895145
2006-10-01	2.76440192940138
2007-01-01	3.16443977013608
2007-04-01	2.72176768916174
2007-07-01	3.15234658100960
2007-10-01	2.78109617839196
2008-01-01	2.85511046372366
2008-04-01	2.61920888857234
2008-07-01	3.06816706791979
2008-10-01	3.03432441065767
2009-01-01	3.62250603934459
2009-04-01	3.51471800904918
2009-07-01	5.16989197610333
2009-10-01	3.77461780775060
2010-01-01	3.90856910756564
2010-04-01	4.00102144500924
2010-07-01	4.21003571654281
2010-10-01	3.70032268209164
2011-01-01	3.62827575401651
2011-04-01	4.11754448643534
2011-07-01	4.39001861294762
2011-10-01	3.39879984887062
2012-01-01	3.42304946607516
2012-04-01	3.69318292735890
2012-07-01	3.96838250531381
2012-10-01	3.63613331115394
2013-01-01	3.74546337862168
2013-04-01	3.75911362248250
2013-07-01	4.01381478691937
2013-10-01	3.35069165005332
2014-01-01	3.65971804937865
2014-04-01	3.71056198976748
2014-07-01	3.94224766137465
2014-10-01	3.23718615578570
2015-01-01	3.23329459670508
2015-04-01	3.53203979854135
2015-07-01	3.53057423038700
2015-10-01	3.26248820037341
2016-01-01	3.11243713964570
2016-04-01	3.00414746447409
2016-07-01	3.21404069042110
2016-10-01	2.70857755700184
2017-01-01	2.79029977710784
2017-04-01	2.84513420269742
2017-07-01	2.70452786827951
2017-10-01	2.77861248569882
2018-01-01	2.52960587502303
2018-04-01	2.53874089242118
2018-07-01	2.99925336989922