Quarter	Percent, Seasonally Adjusted
2002-01-01	55.9306086087702
2002-04-01	56.6662543233624
2002-07-01	58.4653165578256
2002-10-01	57.5129250869580
2003-01-01	58.1916184855303
2003-04-01	57.3597594487183
2003-07-01	57.6260318715256
2003-10-01	57.9510285115636
2004-01-01	57.4639486065823
2004-04-01	58.6559936446682
2004-07-01	57.4414753346016
2004-10-01	57.9398906770687
2005-01-01	58.8168320522311
2005-04-01	58.4825614319883
2005-07-01	59.1365145360664
2005-10-01	59.5585116639786
2006-01-01	61.9678774494225
2006-04-01	61.1621238208451
2006-07-01	64.1957615569584
2006-10-01	63.2625523323992
2007-01-01	62.6596230221907
2007-04-01	64.2740479809664
2007-07-01	65.5616009459996
2007-10-01	65.7688328393369
2008-01-01	64.8012781572399
2008-04-01	65.2903847481478
2008-07-01	63.4950247430722
2008-10-01	61.3996882491428
2009-01-01	57.2069741621840
2009-04-01	54.1821923000950
2009-07-01	51.1506685422433
2009-10-01	49.4816313805382
2010-01-01	48.3710558491157
2010-04-01	49.7711706032722
2010-07-01	50.9137851270288
2010-10-01	51.9374320661530
2011-01-01	52.1963913762723
2011-04-01	52.7417639836336
2011-07-01	53.2707813864146
2011-10-01	54.3523011834520
2012-01-01	54.2073985164476
2012-04-01	55.2903080002752
2012-07-01	56.7186854738677
2012-10-01	56.5924327260848
2013-01-01	56.9945347877440
2013-04-01	57.0942338415025
2013-07-01	58.2241465741636
2013-10-01	58.8442595747729
2014-01-01	57.7782617907630
2014-04-01	58.3829288989084
2014-07-01	58.6372257398769
2014-10-01	59.7166510867339
2015-01-01	59.7932742211643
2015-04-01	59.9810976150528
2015-07-01	59.4970594471979
2015-10-01	60.4322722306637
2016-01-01	60.0708518828678
2016-04-01	60.3179163600171
2016-07-01	59.6184019165621
2016-10-01	59.1926307287870
2017-01-01	60.3969880543882
2017-04-01	60.7559964980071
2017-07-01	61.5650275852439
2017-10-01	62.0900177818716
2018-01-01	62.2356000775534
2018-04-01	62.2905305329678