Quarter	Percent, Seasonally Adjusted
1999-04-01	8.93951520038810
1999-07-01	8.64295745933389
1999-10-01	7.83732476063554
2000-01-01	7.75921059433471
2000-04-01	7.39841220532482
2000-07-01	6.42323094371031
2000-10-01	6.71322818615211
2001-01-01	6.20419237524982
2001-04-01	6.47937559370372
2001-07-01	7.20244780087573
2001-10-01	7.15447619669910
2002-01-01	7.71172053214030
2002-04-01	7.43631968264923
2002-07-01	7.30427730560622
2002-10-01	7.94096199274846
2003-01-01	8.17111274053697
2003-04-01	8.07009988479502
2003-07-01	8.82407318574042
2003-10-01	8.52045944544492
2004-01-01	8.52741555342273
2004-04-01	8.41022256340623
2004-07-01	8.65954546712888
2004-10-01	8.51516367739406
2005-01-01	7.65894601543036
2005-04-01	7.84581963392516
2005-07-01	7.94644845152553
2005-10-01	8.37836663128185
2006-01-01	7.84613870116006
2006-04-01	8.15037981532056
2006-07-01	8.75825786043830
2006-10-01	7.65948391045296
2007-01-01	7.40633010243366
2007-04-01	9.47595721121818
2007-07-01	6.71171121805025
2007-10-01	7.79806071564179
2008-01-01	7.80507200416073
2008-04-01	9.29779023810200
2008-07-01	11.23179768643460
2008-10-01	12.04378452158040
2009-01-01	14.39076325584280
2009-04-01	17.40403013704170
2009-07-01	17.38590662336830
2009-10-01	18.26248570534510
2010-01-01	19.35488045073470
2010-04-01	20.11473324024600
2010-07-01	20.60595547797420
2010-10-01	23.58791852008290
2011-01-01	22.23337056058450
2011-04-01	21.69296636535770
2011-07-01	22.14137217899200
2011-10-01	23.25847925530800
2012-01-01	23.62012325133760
2012-04-01	23.93284600588470
2012-07-01	24.04088378019690
2012-10-01	22.54024962245280
2013-01-01	23.07466276764260
2013-04-01	22.81689743973360
2013-07-01	21.81189787957420
2013-10-01	23.11476270719580
2014-01-01	22.28060202856630
2014-04-01	21.53191767946790
2014-07-01	18.68952082484510
2014-10-01	16.68822786809680
2015-01-01	18.03916501344730
2015-04-01	16.09437911502910
2015-07-01	15.67762932569440
2015-10-01	15.59316914926850
2016-01-01	13.46655100651030
2016-04-01	13.77572402411910
2016-07-01	13.15951917024000
2016-10-01	13.73596787915100
2017-01-01	12.68697106368240
2017-04-01	11.79474865892490
2017-07-01	13.94706191847050
2017-10-01	12.11643034841200
2018-01-01	12.75459923982020
2018-04-01	12.46194266914900