Quarter	Percent, Seasonally Adjusted
1999-01-01	33.7454883993957
1999-04-01	37.3800976705276
1999-07-01	35.4682230248541
1999-10-01	31.4476897588973
2000-01-01	32.6853327438923
2000-04-01	35.1611064176565
2000-07-01	33.1362735353267
2000-10-01	31.9628277077587
2001-01-01	34.1919830724326
2001-04-01	34.2442076954373
2001-07-01	30.9284198100134
2001-10-01	27.3444958498024
2002-01-01	31.8176313641614
2002-04-01	32.5600912141123
2002-07-01	32.4816273466933
2002-10-01	34.7338886137266
2003-01-01	30.9620271901044
2003-04-01	29.5788843047958
2003-07-01	26.5537864998332
2003-10-01	31.1838581613800
2004-01-01	30.9522512140221
2004-04-01	27.1609897743031
2004-07-01	27.2789152967482
2004-10-01	29.4869156103229
2005-01-01	30.0391846156285
2005-04-01	30.3016294040756
2005-07-01	31.6067529264901
2005-10-01	33.0442806936807
2006-01-01	31.6448265222480
2006-04-01	29.8661185202684
2006-07-01	30.7477342305688
2006-10-01	29.5207895014873
2007-01-01	31.4869093855323
2007-04-01	33.3354856728847
2007-07-01	33.0698642721333
2007-10-01	34.3545886431017
2008-01-01	33.5806736357376
2008-04-01	33.8496904370838
2008-07-01	32.7173630934247
2008-10-01	32.4112580825212
2009-01-01	33.5951905642599
2009-04-01	31.9887570414846
2009-07-01	30.7045577471024
2009-10-01	31.3576567913462
2010-01-01	32.0801407249084
2010-04-01	32.8748064830484
2010-07-01	31.6028392119667
2010-10-01	32.1747052722059
2011-01-01	32.2912126323416
2011-04-01	31.8761571277078
2011-07-01	31.5282704160579
2011-10-01	30.9108978601268
2012-01-01	30.8969904180237
2012-04-01	30.3485673193153
2012-07-01	30.7813802426762
2012-10-01	28.5027591560790
2013-01-01	29.8353658892538
2013-04-01	30.3376137314161
2013-07-01	29.6111701378003
2013-10-01	29.4978129575848
2014-01-01	28.9410399169878
2014-04-01	27.9725441031134
2014-07-01	26.4978615218694
2014-10-01	26.2512217724940
2015-01-01	26.7269252742819
2015-04-01	27.2570958988149
2015-07-01	27.7608457685546
2015-10-01	27.2704413072090
2016-01-01	26.2957974025425
2016-04-01	25.4525611907576
2016-07-01	23.6035329030688
2016-10-01	24.9886958025982
2017-01-01	26.3814493944838
2017-04-01	23.6962352958652
2017-07-01	23.2615739051662
2017-10-01	24.0161778507477
2018-01-01	23.6752045238890
2018-04-01	21.5607989304339