Quarter	Percent, Seasonally Adjusted
2000-01-01	32.0935746355432
2000-04-01	31.5795668026032
2000-07-01	31.1644729790860
2000-10-01	30.5511752763930
2001-01-01	29.4482187256184
2001-04-01	30.8792837900625
2001-07-01	30.3194931339210
2001-10-01	30.0525356312861
2002-01-01	29.6656066974979
2002-04-01	29.2281956833343
2002-07-01	28.2156845405383
2002-10-01	29.3199358824232
2003-01-01	30.0882882672812
2003-04-01	30.2818247818884
2003-07-01	29.7932052692022
2003-10-01	30.3610697709641
2004-01-01	29.7557950875713
2004-04-01	29.4757417215394
2004-07-01	29.1929651488885
2004-10-01	29.8300722806263
2005-01-01	29.8899107821772
2005-04-01	30.2796519406412
2005-07-01	31.0453078460285
2005-10-01	30.8353548956159
2006-01-01	30.2339711781878
2006-04-01	30.2762512259747
2006-07-01	31.0525328537484
2006-10-01	31.0302523755058
2007-01-01	31.3880372745656
2007-04-01	31.6448482299826
2007-07-01	31.7768656760419
2007-10-01	32.5535288683266
2008-01-01	33.0262370777739
2008-04-01	33.4653699701616
2008-07-01	33.2154081871354
2008-10-01	33.6605787221453
2009-01-01	34.0227978315781
2009-04-01	34.0427046984210
2009-07-01	34.8521809078255
2009-10-01	35.0492794939646
2010-01-01	35.7396970936519
2010-04-01	36.1329777498760
2010-07-01	36.9410793660752
2010-10-01	37.9307910994752
2011-01-01	38.8171458354691
2011-04-01	39.4782898258309
2011-07-01	39.8877323950066
2011-10-01	40.3198111665379
2012-01-01	40.6474574181568
2012-04-01	41.7074148087770
2012-07-01	42.1020072552167
2012-10-01	42.5672725847676
2013-01-01	43.2151780071331
2013-04-01	43.8674911898981
2013-07-01	44.1267393086354
2013-10-01	44.6986765255609
2014-01-01	45.0376974396445
2014-04-01	45.3177253753495
2014-07-01	45.7463281130882
2014-10-01	46.1102693537709
2015-01-01	46.3926310171467
2015-04-01	46.1485832578932
2015-07-01	47.2873010223499
2015-10-01	47.6945184246998
2016-01-01	47.8551568420386
2016-04-01	47.8239714527207
2016-07-01	48.2115590334482
2016-10-01	49.2378426619062
2017-01-01	49.8775244983745
2017-04-01	50.3133255262907
2017-07-01	50.3486060703158
2017-10-01	50.0027947049887
2018-01-01	50.1499563239866
2018-04-01	50.5187192478699