Quarter	Percent
2005-01-01	25.8740047096627
2005-04-01	24.7430169343248
2005-07-01	23.0227205110941
2005-10-01	24.0462345204001
2006-01-01	25.4337399565103
2006-04-01	25.0843452168100
2006-07-01	23.1714357615502
2006-10-01	23.1118997449262
2007-01-01	25.5396019335886
2007-04-01	23.1749828619769
2007-07-01	24.3066503182110
2007-10-01	26.1221438787905
2008-01-01	27.1211792759592
2008-04-01	26.3118529599076
2008-07-01	25.9862928167971
2008-10-01	25.6849738071538
2009-01-01	26.6022999905200
2009-04-01	25.8009623283652
2009-07-01	25.9505606151417
2009-10-01	26.6690874759432
2010-01-01	31.7554549138660
2010-04-01	29.9748037670910
2010-07-01	29.3603716798644
2010-10-01	30.5433925912952
2011-01-01	31.8440635720988
2011-04-01	31.1781713571709
2011-07-01	32.3647579533771
2011-10-01	32.7100173210162
2012-01-01	32.7171317040789
2012-04-01	30.7122762665554
2012-07-01	31.5431617246606
2012-10-01	31.4407706324215
2013-01-01	32.9719934752459
2013-04-01	30.3114472230603
2013-07-01	29.6769614991006
2013-10-01	31.3268528766960
2014-01-01	32.2660881906175
2014-04-01	29.0325660767908
2014-07-01	30.4642627794832
2014-10-01	30.4829142523937
2015-01-01	31.4230872667169
2015-04-01	29.8142513702446
2015-07-01	29.2688109038247
2015-10-01	28.9591757733150
2016-01-01	29.8574139063755
2016-04-01	28.4196942208196
2016-07-01	28.5457780570521
2016-10-01	30.0781088049820
2017-01-01	29.9846354116443
2017-04-01	29.9411102758682
2017-07-01	29.4282984734652
2017-10-01	29.9147432683676
2018-01-01	31.8835350488194
2018-04-01	29.1996950171296
2018-07-01	28.4887633971709