Quarter	Percent, Seasonally Adjusted
1991-01-01	10.0464958848470
1991-04-01	11.2542246587008
1991-07-01	11.8275988992691
1991-10-01	10.9600067074704
1992-01-01	10.3092517824929
1992-04-01	11.1827184925090
1992-07-01	11.2706637485835
1992-10-01	11.5472969523712
1993-01-01	10.8829624781850
1993-04-01	11.5094014458181
1993-07-01	12.6087199448718
1993-10-01	11.4698144677339
1994-01-01	11.2500777245796
1994-04-01	10.6714031372086
1994-07-01	11.6775572625213
1994-10-01	10.4737934738175
1995-01-01	10.7878386348763
1995-04-01	10.5027145625470
1995-07-01	11.6664205915645
1995-10-01	11.1878690806757
1996-01-01	10.6410396588619
1996-04-01	11.2244740457190
1996-07-01	11.7416814755806
1996-10-01	11.2923523717328
1997-01-01	11.2186788154897
1997-04-01	11.6275328610018
1997-07-01	12.3462673921390
1997-10-01	11.6121194361520
1998-01-01	11.5345864011504
1998-04-01	11.3758535077091
1998-07-01	12.6232636509894
1998-10-01	11.7046283046894
1999-01-01	11.0440292445167
1999-04-01	11.3163470737734
1999-07-01	12.2999322710584
1999-10-01	11.5542020622963
2000-01-01	11.0692080318010
2000-04-01	11.1928904399345
2000-07-01	11.5403041670064
2000-10-01	11.0990531002184
2001-01-01	10.2615461654019
2001-04-01	10.9866095238994
2001-07-01	11.5752050782673
2001-10-01	12.5491685932570
2002-01-01	11.7367990813367
2002-04-01	12.0807523189010
2002-07-01	12.7607141541069
2002-10-01	12.9896373965493
2003-01-01	10.8554277138569
2003-04-01	11.6653939221080
2003-07-01	11.7893079328094
2003-10-01	12.5404321943498
2004-01-01	11.1622243268840
2004-04-01	11.7943036699835
2004-07-01	12.4459513593207
2004-10-01	12.7400830035711
2005-01-01	11.4465688042845
2005-04-01	11.5011713014336
2005-07-01	12.1332234766666
2005-10-01	12.5000000000000
2006-01-01	10.8753523866731
2006-04-01	11.8317963557204
2006-07-01	11.9838275287595
2006-10-01	12.0236167019984
2007-01-01	10.3041821702314
2007-04-01	11.0766102840298
2007-07-01	11.7172967785505
2007-10-01	11.9361258124486
2008-01-01	10.9446545601524
2008-04-01	11.5558281158635
2008-07-01	12.4563128330865
2008-10-01	13.7417677536210
2009-01-01	12.9945250716955
2009-04-01	14.1700463134561
2009-07-01	14.0889187089484
2009-10-01	14.0623517828580
2010-01-01	12.5626458454358
2010-04-01	12.8266914368090
2010-07-01	13.1203928272044
2010-10-01	13.0186210032495
2011-01-01	11.5303913589884
2011-04-01	11.6985995545753
2011-07-01	12.3632919568179
2011-10-01	13.3229251397234
2012-01-01	11.7902671950673
2012-04-01	12.6016558758408
2012-07-01	13.2212478208041
2012-10-01	13.9487870619946
2013-01-01	12.3111245516861
2013-04-01	13.0316430612628
2013-07-01	13.8144730553703
2013-10-01	14.3176060717916
2014-01-01	13.2819867559935
2014-04-01	13.8965913015215
2014-07-01	14.2277710722189
2014-10-01	15.2563422397994
2015-01-01	13.8518682484122
2015-04-01	14.0956050135470
2015-07-01	14.6278917245837
2015-10-01	16.0588333919003
2016-01-01	14.3221500477767
2016-04-01	14.4388876864014
2016-07-01	15.1077192899296
2016-10-01	16.2544552956147
2017-01-01	14.1035478014159
2017-04-01	14.7733621975990
2017-07-01	15.1776982587115
2017-10-01	16.0336097501040
2018-01-01	14.1168319688075
2018-04-01	14.4778482680683