Quarter	Percent
1999-07-01	24.7172530222459
1999-10-01	24.8947519272100
2000-01-01	26.3826490384402
2000-04-01	25.2888857565841
2000-07-01	25.1073412541901
2000-10-01	25.4413204256646
2001-01-01	27.1109867361361
2001-04-01	25.0090225873312
2001-07-01	25.0375135690861
2001-10-01	25.2432647272910
2002-01-01	26.0023552964645
2002-04-01	24.4718992334543
2002-07-01	24.4899501031710
2002-10-01	24.7380230352112
2003-01-01	25.8343228848668
2003-04-01	24.8813536698109
2003-07-01	25.0081586624097
2003-10-01	24.8039844813018
2004-01-01	25.3843735387996
2004-04-01	24.4307284090890
2004-07-01	24.7983297453868
2004-10-01	24.5111248067692
2005-01-01	25.6281660510747
2005-04-01	24.4268986190719
2005-07-01	25.0992280520408
2005-10-01	25.4603886541042
2006-01-01	26.3435090466019
2006-04-01	24.9117449950872
2006-07-01	25.2733624371647
2006-10-01	25.5553054130673
2007-01-01	26.3872235546810
2007-04-01	24.8867014724991
2007-07-01	25.3035290474565
2007-10-01	25.7662799338695
2008-01-01	26.9989627389643
2008-04-01	25.4699995553000
2008-07-01	25.8921315464233
2008-10-01	26.5279685557804
2009-01-01	27.8401739396040
2009-04-01	25.9355008811001
2009-07-01	26.3822288136371
2009-10-01	26.9848992593617
2010-01-01	27.8038601838017
2010-04-01	26.1592002905114
2010-07-01	26.4462808781906
2010-10-01	26.8447737546285
2011-01-01	27.5836922007360
2011-04-01	25.9801974667289
2011-07-01	26.4177370912478
2011-10-01	26.5765313578469
2012-01-01	27.4767823472539
2012-04-01	25.7245934555519
2012-07-01	25.9580538453317
2012-10-01	26.6622932049561
2013-01-01	27.7860790439071
2013-04-01	25.8893999705908
2013-07-01	25.9441796663591
2013-10-01	26.1959177606183
2014-01-01	26.4573032251034
2014-04-01	25.1590946397131
2014-07-01	25.1746785805134
2014-10-01	25.7758579059951
2015-01-01	26.5672662629301
2015-04-01	25.2799409173620
2015-07-01	25.5171276305032
2015-10-01	26.1874090365738
2016-01-01	26.8418698673457
2016-04-01	25.6577853637694
2016-07-01	25.4040054502673
2016-10-01	26.1179551731805
2017-01-01	26.7356566615191
2017-04-01	25.3109442579731
2017-07-01	25.5907812142176
2017-10-01	26.1580069613996
2018-01-01	26.7883609730480
2018-04-01	25.7052784246208
2018-07-01	26.0401072798082