Quarter	Percent, Seasonally Adjusted
1990-01-01	19.6145289624116
1990-04-01	18.7058826994464
1990-07-01	18.0616290343868
1990-10-01	17.1904590811142
1991-01-01	17.2241843770248
1991-04-01	21.4358817575846
1991-07-01	17.8268040411763
1991-10-01	20.1580676091522
1992-01-01	21.4865666288257
1992-04-01	19.2158910389038
1992-07-01	19.6044421202551
1992-10-01	19.3039850450977
1993-01-01	16.9924072922531
1993-04-01	18.2148700508927
1993-07-01	19.5721329684092
1993-10-01	20.0506450797955
1994-01-01	20.7664078918580
1994-04-01	19.4925009125669
1994-07-01	19.5805334708724
1994-10-01	18.1234843103921
1995-01-01	17.4205820719391
1995-04-01	17.8554777893133
1995-07-01	19.3770081172368
1995-10-01	21.8210723980713
1996-01-01	21.1620320905964
1996-04-01	18.9517636537886
1996-07-01	17.0288410107767
1996-10-01	17.6408376510011
1997-01-01	18.5594484634004
1997-04-01	19.7313581626188
1997-07-01	20.9343628095520
1997-10-01	19.4669385937341
1998-01-01	20.0235347774252
1998-04-01	22.7039590032267
1998-07-01	23.9760420662671
1998-10-01	22.9925471680074
1999-01-01	28.1659428547869
1999-04-01	23.4856812839175
1999-07-01	24.8489988710630
1999-10-01	24.5086498684978
2000-01-01	21.2440283428402
2000-04-01	24.1892401357128
2000-07-01	22.7140784455455
2000-10-01	26.9724902827087
2001-01-01	26.5439728458080
2001-04-01	24.8215149699231
2001-07-01	26.1098081345429
2001-10-01	23.6599522772979
2002-01-01	24.5218614239854
2002-04-01	27.5065197737389
2002-07-01	25.1948758645411
2002-10-01	23.5964175765595
2003-01-01	28.1373688207383
2003-04-01	23.1628256346554
2003-07-01	26.5981155953037
2003-10-01	20.1841754855999
2004-01-01	23.2826434873800
2004-04-01	26.0241760332998
2004-07-01	25.0731640976811
2004-10-01	26.0448372425994
2005-01-01	22.8965549083013
2005-04-01	24.5972064877382
2005-07-01	23.5823964042906
2005-10-01	25.4924292779940
2006-01-01	23.6485694557610
2006-04-01	23.9983328110537
2006-07-01	24.3292558615360
2006-10-01	25.0480683381983
2007-01-01	25.7282014049160
2007-04-01	23.8458542579598
2007-07-01	23.6236963229079
2007-10-01	21.0677303456232
2008-01-01	16.4092464612842
2008-04-01	13.6180566689889
2008-07-01	12.3512139809818
2008-10-01	12.9066510332642
2009-01-01	15.3654507982697
2009-04-01	14.8914158060681
2009-07-01	15.1827440124263
2009-10-01	14.9526266393488
2010-01-01	16.5485629740852
2010-04-01	16.6650796962314
2010-07-01	17.2702648279269
2010-10-01	17.0624647927338
2011-01-01	14.5275417935792
2011-04-01	12.7033313282478
2011-07-01	12.6887001030759
2011-10-01	13.7331423302960
2012-01-01	11.9026844395653
2012-04-01	14.6884010056498
2012-07-01	13.0418327755865
2012-10-01	12.2049151767757
2013-01-01	12.4634718670483
2013-04-01	13.1045966660874
2013-07-01	13.3490862477155
2013-10-01	13.7200810454920
2014-01-01	13.7638010928450
2014-04-01	14.0422350468479
2014-07-01	13.2242536773895
2014-10-01	13.4761015408198
2015-01-01	15.1989884157844
2015-04-01	15.4487812199848
2015-07-01	15.7519634062021
2015-10-01	15.5496699013209
2016-01-01	18.0982189949305
2016-04-01	18.7832044742883
2016-07-01	19.0940907790213
2016-10-01	17.8973263007646
2017-01-01	15.8431283847372
2017-04-01	17.8934799562652
2017-07-01	19.2779152556354
2017-10-01	18.2217344823260
2018-01-01	18.0601657969352
2018-04-01	17.2217778745286