Quarter	Percent, Seasonally Adjusted
1998-01-01	48.1313412892221
1998-04-01	48.1189586878788
1998-07-01	48.4080988091543
1998-10-01	47.9120072751120
1999-01-01	47.8706434572630
1999-04-01	47.7199015018031
1999-07-01	47.7201105006957
1999-10-01	47.6713805859958
2000-01-01	47.2161762280229
2000-04-01	47.2869335155619
2000-07-01	46.8238545652697
2000-10-01	46.8598755843871
2001-01-01	46.4278337555691
2001-04-01	46.5670051723931
2001-07-01	46.5973878167204
2001-10-01	46.2186902897723
2002-01-01	46.3095852540147
2002-04-01	45.9357914180282
2002-07-01	45.5141197746971
2002-10-01	45.5472258183066
2003-01-01	45.1257809531682
2003-04-01	45.2251282232220
2003-07-01	45.6352389362371
2003-10-01	45.6502669830525
2004-01-01	45.8438457454658
2004-04-01	45.6878016189975
2004-07-01	45.3713305264700
2004-10-01	45.1324015491442
2005-01-01	45.0005613656587
2005-04-01	44.7889086020628
2005-07-01	44.5510406645138
2005-10-01	44.4820017658713
2006-01-01	44.6756154563252
2006-04-01	44.4779614283366
2006-07-01	44.2743696437778
2006-10-01	44.3997755209955
2007-01-01	44.1560332696762
2007-04-01	44.2201988068095
2007-07-01	43.8225471620805
2007-10-01	43.9384867194090
2008-01-01	44.2672276040246
2008-04-01	43.9574701639718
2008-07-01	44.0436250998981
2008-10-01	44.4041892421095
2009-01-01	44.1746918536353
2009-04-01	44.5292179729836
2009-07-01	44.4767027029890
2009-10-01	44.2131004492434
2010-01-01	43.8522745623086
2010-04-01	43.9329593807071
2010-07-01	44.2368043326650
2010-10-01	44.5043527819344
2011-01-01	45.1005449967728
2011-04-01	44.8872722379319
2011-07-01	45.6200756148268
2011-10-01	45.8317172064313
2012-01-01	45.2734806872019
2012-04-01	45.1242448286604
2012-07-01	45.1691100201616
2012-10-01	45.6355147732201
2013-01-01	46.0759002028686
2013-04-01	45.7747818449673
2013-07-01	45.9213680485176
2013-10-01	45.6420718608014
2014-01-01	46.2505992301470
2014-04-01	46.1131528627327
2014-07-01	45.8928562517582
2014-10-01	46.4609214691513
2015-01-01	46.1037616871107
2015-04-01	46.0753240219268
2015-07-01	46.2874010972972
2015-10-01	46.5298356911443
2016-01-01	46.4815687265634
2016-04-01	46.7863314408451
2016-07-01	46.4280330125560
2016-10-01	46.2765100754650
2017-01-01	46.2451476347581
2017-04-01	45.9345671168297
2017-07-01	45.7057271297227
2017-10-01	45.8363108860046
2018-01-01	45.7457922362516
2018-04-01	45.5553663778204