Quarter	Percent, Seasonally Adjusted
1999-01-01	52.4292902888291
1999-04-01	52.2328383808184
1999-07-01	52.0304153489110
1999-10-01	51.6881167206098
2000-01-01	51.7660924840458
2000-04-01	51.2075509134596
2000-07-01	51.1878630705854
2000-10-01	51.6741749628700
2001-01-01	51.8576255983393
2001-04-01	51.8130976310152
2001-07-01	51.7889041221134
2001-10-01	51.5758219002368
2002-01-01	51.0293392403431
2002-04-01	51.2194262305103
2002-07-01	51.5913553592654
2002-10-01	51.6468512144430
2003-01-01	52.1045815263636
2003-04-01	52.3627408227485
2003-07-01	52.3326359491258
2003-10-01	52.0341672211686
2004-01-01	50.8581664746888
2004-04-01	50.6720111787109
2004-07-01	51.0669521226212
2004-10-01	50.8990430271234
2005-01-01	50.8990290307308
2005-04-01	50.8462049369701
2005-07-01	50.8063226988746
2005-10-01	51.0416193764201
2006-01-01	50.9400367377404
2006-04-01	51.7071613342079
2006-07-01	52.3983793518097
2006-10-01	52.6799444832755
2007-01-01	53.0723033942812
2007-04-01	52.9234701910622
2007-07-01	52.6529258914665
2007-10-01	53.5168544522406
2008-01-01	53.9086008790614
2008-04-01	54.2605818095084
2008-07-01	55.3426503898368
2008-10-01	54.9743346727902
2009-01-01	53.5123272179980
2009-04-01	52.9658361367440
2009-07-01	52.6573657047003
2009-10-01	52.0748301551919
2010-01-01	51.7066372905281
2010-04-01	52.1317764684076
2010-07-01	52.6861549754845
2010-10-01	52.7989133788976
2011-01-01	52.2911865484224
2011-04-01	52.7212474953469
2011-07-01	52.7696103580353
2011-10-01	52.3542541266964
2012-01-01	52.6098720491172
2012-04-01	53.0089174940224
2012-07-01	52.9059826132989
2012-10-01	52.3405368865839
2013-01-01	52.9426061894504
2013-04-01	53.1040261969452
2013-07-01	53.5110011169579
2013-10-01	53.8533261938155
2014-01-01	53.8925955970159
2014-04-01	54.1631232031101
2014-07-01	54.3265254540730
2014-10-01	54.6561378337774
2015-01-01	55.1914284149654
2015-04-01	55.6891824921402
2015-07-01	56.1550542372538
2015-10-01	56.7465015176555
2016-01-01	57.5168752323716
2016-04-01	58.2030186860026
2016-07-01	58.5279579043538
2016-10-01	58.9945342688770
2017-01-01	59.7792314677979
2017-04-01	60.2769662019752
2017-07-01	60.5463724124063
2017-10-01	60.5683721277514
2018-01-01	60.8641290115778
2018-04-01	60.7188514927945
