Quarter	Percent, Seasonally Adjusted
1986-01-01	28.7756117291367
1986-04-01	28.6597082237166
1986-07-01	28.5637289825243
1986-10-01	28.7300830140680
1987-01-01	28.8060677007568
1987-04-01	29.7306312777295
1987-07-01	28.8194042435331
1987-10-01	28.8753067534641
1988-01-01	29.5031032227846
1988-04-01	30.2016296907227
1988-07-01	30.3725964875945
1988-10-01	30.4801249788110
1989-01-01	30.0840355074780
1989-04-01	30.6641896666725
1989-07-01	30.4796241321836
1989-10-01	30.7667365815444
1990-01-01	30.8167208517358
1990-04-01	31.1007851554211
1990-07-01	30.5351619788481
1990-10-01	31.0084223721740
1991-01-01	31.0210998647443
1991-04-01	29.9739022855993
1991-07-01	31.1901800782913
1991-10-01	30.8326060933240
1992-01-01	31.5404886015413
1992-04-01	31.2169634351433
1992-07-01	31.9036277399168
1992-10-01	32.9191535460999
1993-01-01	33.7138116110924
1993-04-01	33.1387221514904
1993-07-01	35.0702632084748
1993-10-01	34.4730467339152
1994-01-01	34.6790234813232
1994-04-01	34.2191796469539
1994-07-01	33.5865226861846
1994-10-01	34.7515857286692
1995-01-01	34.4232914234565
1995-04-01	33.8124170658726
1995-07-01	33.7359620496577
1995-10-01	33.8373522207326
1996-01-01	34.3038975311834
1996-04-01	34.0756349315300
1996-07-01	33.4108507821096
1996-10-01	33.8130325350375
1997-01-01	33.6429840339533
1997-04-01	34.3448261399480
1997-07-01	35.9442729813682
1997-10-01	34.3872740198878
1998-01-01	34.3473045729870
1998-04-01	35.0746059502244
1998-07-01	35.3538957401895
1998-10-01	35.6314718047451
1999-01-01	35.1377539943076
1999-04-01	35.2549300335332
1999-07-01	35.8876875235342
1999-10-01	36.3712131921229
2000-01-01	35.8021192616607
2000-04-01	35.6183360310681
2000-07-01	35.6589391094991
2000-10-01	35.1837038585750
2001-01-01	34.4206246056829
2001-04-01	34.8061605024719
2001-07-01	35.3073685670222
2001-10-01	35.2651419843048
2002-01-01	35.0486844286060
2002-04-01	34.6905782800063
2002-07-01	34.9000159317481
2002-10-01	35.3853697921982
2003-01-01	36.5334634090864
2003-04-01	36.7791267939629
2003-07-01	36.1237230957292
2003-10-01	36.7738889191836
2004-01-01	37.4099484838558
2004-04-01	37.8285392230005
2004-07-01	38.0359926515246
2004-10-01	39.2952567057245
2005-01-01	39.2762424179173
2005-04-01	39.6543157156560
2005-07-01	39.2212008532341
2005-10-01	38.8651704574358
2006-01-01	38.9508781066871
2006-04-01	38.9346198381184
2006-07-01	38.0877423809654
2006-10-01	37.9858727064566
2007-01-01	38.9750550033987
2007-04-01	38.6343854832076
2007-07-01	39.0187818728564
2007-10-01	39.8238960314050
2008-01-01	40.6054893771781
2008-04-01	41.0188794967803
2008-07-01	40.6725239568225
2008-10-01	41.1732531853748
2009-01-01	41.0050832473071
2009-04-01	41.3093614534222
2009-07-01	41.2273265517381
2009-10-01	41.5930609257895
2010-01-01	44.2649576420224
2010-04-01	44.8275524438793
2010-07-01	46.0085590950014
2010-10-01	46.2106081405324
2011-01-01	46.5587900309697
2011-04-01	47.6406816196049
2011-07-01	47.7239949968890
2011-10-01	47.4454578717739
2012-01-01	47.6984043616498
2012-04-01	47.4762809238668
2012-07-01	47.9254613751798
2012-10-01	47.2811550853549
2013-01-01	47.6241344133553
2013-04-01	47.9066856390544
2013-07-01	47.4158676472067
2013-10-01	47.9054572993890
2014-01-01	48.5187648548974
2014-04-01	48.1457348374134
2014-07-01	48.6744937664202
2014-10-01	48.2994999190499
2015-01-01	47.7690258239445
2015-04-01	48.3366043682359
2015-07-01	48.4975958034063
2015-10-01	48.3067619123202
2016-01-01	47.7097204996161
2016-04-01	48.1612723102623
2016-07-01	48.2197729897070
2016-10-01	48.0339027829279
2017-01-01	47.7946316168577
2017-04-01	48.3925049671735
2017-07-01	48.9841655408239
2017-10-01	48.9643208558542
2018-01-01	49.3479873282871
2018-04-01	49.2058624136065
2018-07-01	48.7205508423663