Quarter	Percent, Seasonally Adjusted
2000-01-01	59.6336405252097
2000-04-01	58.9643402121437
2000-07-01	59.6572121926766
2000-10-01	59.3723520523428
2001-01-01	58.8360733666726
2001-04-01	58.3626793423846
2001-07-01	59.0567926386432
2001-10-01	58.7430168637020
2002-01-01	58.1112136669303
2002-04-01	57.3085875983958
2002-07-01	58.0835441662642
2002-10-01	59.1755567600339
2003-01-01	58.0596220838360
2003-04-01	59.0323623625626
2003-07-01	59.3831821201602
2003-10-01	59.3229766428639
2004-01-01	59.1754964457182
2004-04-01	59.0980670660100
2004-07-01	58.6699211747646
2004-10-01	58.5721781520541
2005-01-01	58.6172650724188
2005-04-01	59.0967300039961
2005-07-01	58.1306470627025
2005-10-01	59.1087785203195
2006-01-01	59.9873428195067
2006-04-01	61.2061323169345
2006-07-01	60.4231434765916
2006-10-01	60.9305522068783
2007-01-01	60.3950440320062
2007-04-01	61.1035353653521
2007-07-01	60.5717353143366
2007-10-01	60.1391596410106
2008-01-01	60.7197376334724
2008-04-01	60.1178108859874
2008-07-01	61.4510474793849
2008-10-01	62.1440143615492
2009-01-01	61.0702001524073
2009-04-01	60.1266523080844
2009-07-01	61.1825836431747
2009-10-01	60.4829360060042
2010-01-01	60.9608288504704
2010-04-01	60.5451600618279
2010-07-01	59.8988544116189
2010-10-01	60.5947033408504
2011-01-01	61.1466725518856
2011-04-01	61.1445552018712
2011-07-01	61.5681341786324
2011-10-01	61.3655146206460
2012-01-01	61.4544799611069
2012-04-01	61.2668270665416
2012-07-01	61.7640848004646
2012-10-01	60.7560554760000
2013-01-01	61.5332598995651
2013-04-01	61.9250172245343
2013-07-01	60.8589547061874
2013-10-01	60.9778900404043
2014-01-01	60.4653224672348
2014-04-01	61.2631366442272
2014-07-01	61.5441916266005
2014-10-01	61.2071913829084
2015-01-01	61.2149982241436
2015-04-01	62.1597845625506
2015-07-01	62.7946569852626
2015-10-01	62.3213998085716
2016-01-01	61.7548088287982
2016-04-01	63.7092043497804
2016-07-01	63.6846388695266
2016-10-01	62.3215109929112
2017-01-01	62.8451865054122
2017-04-01	63.7619742063846
2017-07-01	63.5676885458007
2017-10-01	64.4465220892870
2018-01-01	63.8050389238636
2018-04-01	63.6558753554088