Quarter	Percent, Seasonally Adjusted
2000-01-01	71.6473485179572
2000-04-01	72.2346143778573
2000-07-01	73.3981904792103
2000-10-01	74.2942880687035
2001-01-01	74.0241914265856
2001-04-01	73.6379217350580
2001-07-01	73.9911202241545
2001-10-01	73.5396278317982
2002-01-01	73.2341563221155
2002-04-01	73.9269003562507
2002-07-01	73.9166579039511
2002-10-01	73.8521984806135
2003-01-01	73.5998472878046
2003-04-01	73.5388206482503
2003-07-01	72.7485291489056
2003-10-01	71.9026208218041
2004-01-01	72.4579753420877
2004-04-01	71.9537271106426
2004-07-01	70.8134844517953
2004-10-01	71.0387757386381
2005-01-01	71.3715549658715
2005-04-01	71.2719428203391
2005-07-01	70.8734048786635
2005-10-01	70.6186679708710
2006-01-01	70.7150865420641
2006-04-01	70.3525777064116
2006-07-01	70.7976937488174
2006-10-01	71.3528170154540
2007-01-01	72.2318994087488
2007-04-01	72.9653811356858
2007-07-01	73.3833012479955
2007-10-01	72.3937756949040
2008-01-01	72.9651016668135
2008-04-01	73.3721165193325
2008-07-01	73.0988411044265
2008-10-01	73.2426103124144
2009-01-01	73.8027761165308
2009-04-01	73.0010111662581
2009-07-01	72.4996163780798
2009-10-01	71.8842264415566
2010-01-01	69.5927680331599
2010-04-01	69.3608136391349
2010-07-01	68.8626868195038
2010-10-01	68.2723687424876
2011-01-01	67.5089496244877
2011-04-01	67.4383116036524
2011-07-01	68.2674012245879
2011-10-01	69.1258792181713
2012-01-01	69.3724273898720
2012-04-01	68.9289344758505
2012-07-01	69.1955518740508
2012-10-01	69.3596660834222
2013-01-01	69.3668829140455
2013-04-01	69.3251323480623
2013-07-01	69.1466815954345
2013-10-01	68.9571210117696
2014-01-01	67.7544805396844
2014-04-01	67.0106714020559
2014-07-01	67.0798442110648
2014-10-01	67.5705971482268
2015-01-01	68.4849896607564
2015-04-01	68.8687570499698
2015-07-01	68.4851199575829
2015-10-01	68.0268221153601
2016-01-01	68.1684920873582
2016-04-01	68.5091320105324
2016-07-01	68.2267433703028
2016-10-01	67.8881797090995
2017-01-01	67.9961852255633
2017-04-01	68.0318813056869
2017-07-01	68.6692696357846
2017-10-01	68.6852754954906
2018-01-01	68.7486908742289
2018-04-01	68.6266092925494