Quarter	Percent
2005-01-01	26.7911635192974
2005-04-01	26.7027144044989
2005-07-01	26.4810969334876
2005-10-01	27.3856931792609
2006-01-01	26.8001707421184
2006-04-01	26.4544351180501
2006-07-01	26.0534173555858
2006-10-01	27.3811699030583
2007-01-01	27.4200571213019
2007-04-01	27.1132400019112
2007-07-01	27.0268808235827
2007-10-01	28.2621930201987
2008-01-01	28.4109504585416
2008-04-01	28.3072885559489
2008-07-01	28.2308741396519
2008-10-01	29.4332274928034
2009-01-01	28.4483527784756
2009-04-01	28.3577314227092
2009-07-01	28.3288328131737
2009-10-01	29.6562755296473
2010-01-01	30.8859467390268
2010-04-01	31.4164998527089
2010-07-01	32.5755007445650
2010-10-01	33.4270470149538
2011-01-01	33.3468405257214
2011-04-01	34.0368363035091
2011-07-01	34.1075549600005
2011-10-01	34.6125815332244
2012-01-01	34.4109004690738
2012-04-01	34.4934974661527
2012-07-01	34.6966913544818
2012-10-01	34.9989389621486
2013-01-01	34.9140175495579
2013-04-01	35.2020981831188
2013-07-01	35.0779679171489
2013-10-01	35.9126004103024
2014-01-01	35.8500693853129
2014-04-01	35.6569036291057
2014-07-01	35.9438389301853
2014-10-01	36.3254091733492
2015-01-01	35.3725851670959
2015-04-01	35.7277463204121
2015-07-01	36.0319467764276
2015-10-01	36.8035909551994
2016-01-01	35.4771278211843
2016-04-01	35.7937768869737
2016-07-01	35.8765114222551
2016-10-01	36.5073329454587
2017-01-01	35.5628788181110
2017-04-01	36.0080055179412
2017-07-01	36.7165274090842
2017-10-01	37.1654342985834
2018-01-01	36.7277023419353
2018-04-01	36.6121377346488
2018-07-01	36.4436384860380