Quarter	Percent, Seasonally Adjusted
2002-01-01	54.2272276062982
2002-04-01	56.6127114814021
2002-07-01	56.0343621521478
2002-10-01	57.9700485136382
2003-01-01	56.1497500935660
2003-04-01	56.9600771966618
2003-07-01	57.9506025138737
2003-10-01	56.2678471406368
2004-01-01	57.2653358035067
2004-04-01	56.1921620920290
2004-07-01	57.6547604548082
2004-10-01	57.5477402530536
2005-01-01	56.3170443747246
2005-04-01	58.7825427183599
2005-07-01	57.9822763341745
2005-10-01	59.8600935548602
2006-01-01	59.4531385731815
2006-04-01	62.5046555010784
2006-07-01	62.8891619255733
2006-10-01	62.3331056387876
2007-01-01	62.2378131858233
2007-04-01	63.6260237555437
2007-07-01	64.2840034509553
2007-10-01	65.6686803269553
2008-01-01	65.8045089020342
2008-04-01	65.9493904435386
2008-07-01	65.2916382893855
2008-10-01	63.7391398487587
2009-01-01	63.5799372170346
2009-04-01	60.6939307364607
2009-07-01	58.6738546144318
2009-10-01	58.6873185515360
2010-01-01	59.1932837201564
2010-04-01	58.6741202516448
2010-07-01	59.5255794387315
2010-10-01	58.7797721458882
2011-01-01	58.9643054309982
2011-04-01	60.4466549680137
2011-07-01	60.7429103821606
2011-10-01	60.7334235558268
2012-01-01	60.7071166345344
2012-04-01	61.2298354095619
2012-07-01	62.2636601976798
2012-10-01	62.7156202605999
2013-01-01	63.1102002446039
2013-04-01	63.6808109549208
2013-07-01	63.9519134382100
2013-10-01	62.8713541467291
2014-01-01	64.7198888600752
2014-04-01	65.0862207180738
2014-07-01	63.9649091398175
2014-10-01	63.6170020418498
2015-01-01	64.9104116650071
2015-04-01	66.4826333018397
2015-07-01	67.1589369019327
2015-10-01	67.0829228977309
2016-01-01	66.9195951816488
2016-04-01	67.6715977557011
2016-07-01	67.5829259533654
2016-10-01	68.1952171416004
2017-01-01	67.1214909305640
2017-04-01	68.4330672418504
2017-07-01	68.8419588882235
2017-10-01	69.2320056295994
2018-01-01	69.4248213522926
2018-04-01	70.4334119894274