Quarter	Percent, Seasonally Adjusted
1998-01-01	13.3217510513337
1998-04-01	13.2928809278234
1998-07-01	12.5523477903190
1998-10-01	12.8278967469316
1999-01-01	12.4564098702895
1999-04-01	12.2214250882403
1999-07-01	12.3726629460146
1999-10-01	12.0692199334295
2000-01-01	12.3889729603372
2000-04-01	12.0771369660985
2000-07-01	11.8141525706425
2000-10-01	12.1957372386927
2001-01-01	12.1871832539885
2001-04-01	12.0277117719742
2001-07-01	12.2076454325320
2001-10-01	11.6781435766956
2002-01-01	11.7298335354254
2002-04-01	11.8141298351638
2002-07-01	12.1263456941934
2002-10-01	12.3211172035465
2003-01-01	12.3779644720163
2003-04-01	12.3399812136680
2003-07-01	12.9577406226407
2003-10-01	12.4683034868290
2004-01-01	12.7009249437538
2004-04-01	12.8824516446697
2004-07-01	12.4019261879923
2004-10-01	12.5261949027802
2005-01-01	12.1200546362856
2005-04-01	12.2531295962254
2005-07-01	12.5936365644398
2005-10-01	12.2626723640320
2006-01-01	12.0842554835621
2006-04-01	12.3737687920935
2006-07-01	12.0007672878120
2006-10-01	12.3481343895274
2007-01-01	12.2371813521323
2007-04-01	11.9296928525334
2007-07-01	11.8425367571765
2007-10-01	11.8148619881420
2008-01-01	11.3925835016300
2008-04-01	11.3013706431537
2008-07-01	11.4594619957753
2008-10-01	11.4609053161115
2009-01-01	11.6040587994266
2009-04-01	11.7875722782881
2009-07-01	11.8959515120985
2009-10-01	11.8418631577662
2010-01-01	12.2406036474080
2010-04-01	12.3780096045664
2010-07-01	12.5412796202189
2010-10-01	12.7662818655591
2011-01-01	12.4654732127027
2011-04-01	12.6592986413958
2011-07-01	12.3071781721785
2011-10-01	11.9573085639692
2012-01-01	12.5565014061292
2012-04-01	12.7943523102633
2012-07-01	12.3731829093423
2012-10-01	13.0346943861213
2013-01-01	13.1173681870709
2013-04-01	13.0209165185401
2013-07-01	13.3798683121990
2013-10-01	13.4654015590280
2014-01-01	13.5186903581819
2014-04-01	13.0648361777786
2014-07-01	13.2389074587702
2014-10-01	13.6636750778373
2015-01-01	13.4358768339922
2015-04-01	13.5175398555492
2015-07-01	13.1107336222801
2015-10-01	13.3920439914728
2016-01-01	13.3604473571038
2016-04-01	13.5900065546001
2016-07-01	13.8628539470616
2016-10-01	13.9347219423757
2017-01-01	13.6203202274108
2017-04-01	13.3730248348025
2017-07-01	13.5128914477828
2017-10-01	12.4356312768068
2018-01-01	12.6001340188081
2018-04-01	12.4745910192616