Quarter	Percent, Seasonally Adjusted
1999-01-01	9.78269140338826
1999-04-01	11.26914732318950
1999-07-01	11.45729840969150
1999-10-01	11.37099185809370
2000-01-01	11.04444758746120
2000-04-01	11.28166027802920
2000-07-01	10.96424414298670
2000-10-01	11.60310185076520
2001-01-01	7.36132747529659
2001-04-01	8.05905969009877
2001-07-01	9.09784903791988
2001-10-01	8.73655362309666
2002-01-01	9.90450102124508
2002-04-01	10.00180078446030
2002-07-01	10.55422840007620
2002-10-01	9.72294536690815
2003-01-01	9.03337460731136
2003-04-01	9.24689355182060
2003-07-01	10.13030486404680
2003-10-01	9.08872857600406
2004-01-01	9.34871472045344
2004-04-01	10.18067738163100
2004-07-01	9.94877562360903
2004-10-01	8.25495079851524
2005-01-01	9.22982601130335
2005-04-01	7.99340218402063
2005-07-01	6.14638088925355
2005-10-01	6.80820847069704
2006-01-01	7.45201890513804
2006-04-01	6.96048474876301
2006-07-01	7.42926269725950
2006-10-01	7.42936882655094
2007-01-01	8.60256422831798
2007-04-01	7.30718690508713
2007-07-01	7.50913242696058
2007-10-01	7.49419800080156
2008-01-01	8.66904182780897
2008-04-01	7.82000294905306
2008-07-01	8.38279075940214
2008-10-01	10.93261012303850
2009-01-01	12.48198703137950
2009-04-01	13.59375804265490
2009-07-01	13.27122122532160
2009-10-01	13.66406405618120
2010-01-01	14.32296451739960
2010-04-01	13.57613632743830
2010-07-01	13.87226170528180
2010-10-01	13.78786946569970
2011-01-01	14.48086031968760
2011-04-01	13.70630745203280
2011-07-01	14.91640218503900
2011-10-01	15.60963298407960
2012-01-01	16.76347917626410
2012-04-01	18.03214544012760
2012-07-01	18.13069720048590
2012-10-01	18.70151666946640
2013-01-01	20.68010009908840
2013-04-01	19.60275775169520
2013-07-01	19.12234061753720
2013-10-01	19.39665541543360
2014-01-01	19.65619942720680
2014-04-01	20.28565093007940
2014-07-01	19.02476622823710
2014-10-01	18.65089818118470
2015-01-01	18.56265976215730
2015-04-01	18.69933388293360
2015-07-01	19.17881604512000
2015-10-01	18.40904852331310
2016-01-01	17.99276455799220
2016-04-01	17.30048445189950
2016-07-01	16.93891356545080
2016-10-01	16.76746073018540
2017-01-01	15.97830257107420
2017-04-01	16.31613113444510
2017-07-01	15.96492489273870
2017-10-01	15.42743936420690
2018-01-01	16.76391689744380
2018-04-01	14.85506106144900
2018-07-01	14.00364581535410