Quarter	Percent
1999-01-01	45.4933641084824
1999-04-01	44.5893441046355
1999-07-01	44.5470282746682
1999-10-01	44.4316214656665
2000-01-01	43.1841751488381
2000-04-01	43.2264259650470
2000-07-01	44.0745007680492
2000-10-01	44.2319508448541
2001-01-01	43.1312975924929
2001-04-01	43.7704350501981
2001-07-01	44.3220631692060
2001-10-01	44.5037640190505
2002-01-01	43.7075677956350
2002-04-01	43.9093593037077
2002-07-01	44.4308117020053
2002-10-01	44.8270572896695
2003-01-01	43.8894630076166
2003-04-01	45.1031421026446
2003-07-01	45.6389452332657
2003-10-01	45.1364697775906
2004-01-01	44.4863263971691
2004-04-01	45.4031389444530
2004-07-01	46.6684598831848
2004-10-01	46.6131325162331
2005-01-01	45.9791282995703
2005-04-01	46.7137050387300
2005-07-01	47.8742148000613
2005-10-01	48.3117678585101
2006-01-01	48.5530792461486
2006-04-01	49.3482166749494
2006-07-01	49.7534309415498
2006-10-01	49.9025192094499
2007-01-01	49.5508238082495
2007-04-01	50.0095569402500
2007-07-01	50.9949203681778
2007-10-01	51.4990642783486
2008-01-01	51.1324141618608
2008-04-01	51.3653897567124
2008-07-01	52.8306202584728
2008-10-01	52.8153711257672
2009-01-01	51.2027753421524
2009-04-01	50.8365655182904
2009-07-01	50.4372956118336
2009-10-01	49.3991938550460
2010-01-01	48.0949121606206
2010-04-01	48.7390496416246
2010-07-01	49.0348515302059
2010-10-01	49.1144905002086
2011-01-01	48.6705774798111
2011-04-01	49.3067194880390
2011-07-01	49.5695566052110
2011-10-01	49.3448118238610
2012-01-01	49.3616536210958
2012-04-01	49.5402386199559
2012-07-01	49.9202067026370
2012-10-01	49.2894596853864
2013-01-01	49.3019726858877
2013-04-01	49.3133535660091
2013-07-01	49.2336874051593
2013-10-01	48.7063732928680
2014-01-01	48.8727217612065
2014-04-01	49.6722367473760
2014-07-01	50.3618657875791