Quarter	Percent
1999-04-01	41.5629732265966
1999-07-01	41.8262414347348
1999-10-01	41.9972422929523
2000-01-01	41.9296983453070
2000-04-01	42.0531880418051
2000-07-01	42.5423454525839
2000-10-01	42.3502788329427
2001-01-01	42.3587872095450
2001-04-01	42.4265168675469
2001-07-01	42.5923809267676
2001-10-01	42.7171320095420
2002-01-01	42.5859254831104
2002-04-01	42.8062058707994
2002-07-01	42.9597498708426
2002-10-01	42.9520550011565
2003-01-01	42.8465723612622
2003-04-01	42.9646710755308
2003-07-01	43.0534427709333
2003-10-01	43.2554783056091
2004-01-01	43.3914529458099
2004-04-01	43.3271297352464
2004-07-01	43.3275620962909
2004-10-01	43.5012583571873
2005-01-01	43.7847478229679
2005-04-01	43.6293820711353
2005-07-01	43.8887544863743
2005-10-01	43.6537526341384
2006-01-01	43.9706917112909
2006-04-01	43.9280726141695
2006-07-01	43.9395287673400
2006-10-01	43.9332334688637
2007-01-01	43.6595442345140
2007-04-01	43.6866571395719
2007-07-01	43.9215711973368
2007-10-01	44.2038304096438
2008-01-01	44.1374960374134
2008-04-01	44.1307999673816
2008-07-01	44.0742802634449
2008-10-01	44.0043703906037
2009-01-01	43.6021531292681
2009-04-01	43.3242471859667
2009-07-01	43.4915665504646
2009-10-01	43.6154293790007
2010-01-01	43.2582099984999
2010-04-01	43.2585648923111
2010-07-01	43.3952306924429
2010-10-01	43.2251962906307
2011-01-01	43.3582808400613
2011-04-01	43.1277566491802
2011-07-01	43.1022404544020
2011-10-01	43.1316369275576
2012-01-01	43.0215646151424
2012-04-01	43.1136576504089
2012-07-01	43.3881224959763
2012-10-01	43.6891104006018
2013-01-01	43.5572062959182
2013-04-01	43.5599936201952
2013-07-01	43.7397759768235
2013-10-01	44.0462647538250
2014-01-01	44.1534988713318
2014-04-01	44.3595169073120
2014-07-01	44.5916559902966
2014-10-01	44.7953709095865