Quarter	Percent, Seasonally Adjusted
1999-07-01	49.9891576706400
1999-10-01	50.0832482387261
2000-01-01	50.5230355565256
2000-04-01	50.9925171838785
2000-07-01	51.1144944006586
2000-10-01	52.2003286904773
2001-01-01	52.6781289704053
2001-04-01	51.5556117759184
2001-07-01	51.3565054244599
2001-10-01	51.1065271626403
2002-01-01	50.8826735778412
2002-04-01	51.6083960171222
2002-07-01	52.3141824705669
2002-10-01	52.9122311815370
2003-01-01	54.4954225594313
2003-04-01	54.1166009221074
2003-07-01	53.7974256209406
2003-10-01	53.4923652637856
2004-01-01	52.2039637079465
2004-04-01	53.1638276868667
2004-07-01	53.0189663506868
2004-10-01	53.0943563629703
2005-01-01	53.1510152866525
2005-04-01	53.3467103948379
2005-07-01	53.4789214009056
2005-10-01	53.8759034411748
2006-01-01	53.2581476363979
2006-04-01	53.2648103646537
2006-07-01	53.3808378602140
2006-10-01	51.8213066607752
2007-01-01	52.5247721099438
2007-04-01	52.3251989167399
2007-07-01	52.4801466752210
2007-10-01	52.5923095688043
2008-01-01	52.3632813358792
2008-04-01	52.2694868509460
2008-07-01	52.0670905635021
2008-10-01	52.1099883038995
2009-01-01	52.5494997440935
2009-04-01	52.4996908046257
2009-07-01	52.4447016432214
2009-10-01	52.7725989367088
2010-01-01	51.8492242409766
2010-04-01	51.9772400465826
2010-07-01	51.9297053721039
2010-10-01	51.7249206306888
2011-01-01	51.8118463360329
2011-04-01	51.3509685979160
2011-07-01	50.5713373484285
2011-10-01	50.2718650700532
2012-01-01	49.6391952418545
2012-04-01	49.6437104237460
2012-07-01	49.9979301609944
2012-10-01	49.5234598695832
2013-01-01	49.3856610673746
2013-04-01	48.4092874831052
2013-07-01	48.2944712696821
2013-10-01	48.0057123978093
2014-01-01	47.0749448406613
2014-04-01	46.8555381493193
2014-07-01	46.8230751810576
2014-10-01	46.6309655229371
2015-01-01	45.8579190453659
2015-04-01	45.9731502511101
2015-07-01	45.5395094807837
2015-10-01	45.3621268604387
2016-01-01	45.5132481608278
2016-04-01	45.3117989916499
2016-07-01	45.0866804412259
2016-10-01	45.0895737850088
2017-01-01	44.6534498738261
2017-04-01	44.4206061131306
2017-07-01	43.9284376187230
2017-10-01	43.5280937764833
2018-01-01	43.9049026289142
2018-04-01	44.1835643097436
2018-07-01	44.2239128982680