Quarter	Percent, Seasonally Adjusted
1999-01-01	4.40222008654410
1999-04-01	5.05286584701185
1999-07-01	4.50086704671843
1999-10-01	4.32963574325509
2000-01-01	5.49296830343064
2000-04-01	4.16120128346435
2000-07-01	4.76706021041175
2000-10-01	5.59628471344532
2001-01-01	5.48258546555727
2001-04-01	6.33544838911475
2001-07-01	5.48783117211873
2001-10-01	5.95833540217282
2002-01-01	6.41912610549724
2002-04-01	6.28377294383776
2002-07-01	6.77354189244298
2002-10-01	6.41590957850977
2003-01-01	6.84608268537082
2003-04-01	6.62045199621674
2003-07-01	7.91084166544922
2003-10-01	8.66533567692182
2004-01-01	10.13044518191710
2004-04-01	9.48865364512376
2004-07-01	9.67240346183378
2004-10-01	11.75884319823440
2005-01-01	10.27678823504990
2005-04-01	12.51643456864240
2005-07-01	12.14934503546680
2005-10-01	11.44953813240110
2006-01-01	10.55983157199890
2006-04-01	9.78319928562954
2006-07-01	9.66006914268361
2006-10-01	9.31366269466321
2007-01-01	9.02747093848209
2007-04-01	9.21469994896089
2007-07-01	10.23381286919320
2007-10-01	8.50307390561066
2008-01-01	8.20350787987914
2008-04-01	7.43791960101954
2008-07-01	8.23428053575331
2008-10-01	9.84319488382892
2009-01-01	10.32074478740590
2009-04-01	12.04133952098380
2009-07-01	11.57812589107370
2009-10-01	10.88632250545210
2010-01-01	10.65233951195710
2010-04-01	10.40865056233260
2010-07-01	9.64892325286077
2010-10-01	7.63199042235768
2011-01-01	8.31484532773130
2011-04-01	9.31385789638741
2011-07-01	8.25269115188059
2011-10-01	9.36493141652170
2012-01-01	8.00977727583499
2012-04-01	9.84928988076419
2012-07-01	10.06428129131940
2012-10-01	10.26809805463620
2013-01-01	10.04023948856770
2013-04-01	8.91598880649976
2013-07-01	9.17114804706098
2013-10-01	9.36912804160455
2014-01-01	10.13328311045120
2014-04-01	9.56369682914637
2014-07-01	11.41738293859840
2014-10-01	11.28183948098170
2015-01-01	10.58117372942360
2015-04-01	11.06924568656540
2015-07-01	10.75817262236290
2015-10-01	11.97538150302370
2016-01-01	11.05318953611790
2016-04-01	13.45901108920750
2016-07-01	12.79759856846230
2016-10-01	11.20352585761010
2017-01-01	12.04236441772280
2017-04-01	10.67780432359480
2017-07-01	10.10920789731830
2017-10-01	10.19218255373620
2018-01-01	10.70315539473880
2018-04-01	9.00500186188416