Quarter	Percent, Seasonally Adjusted
1998-01-01	24.3756779446844
1998-04-01	24.5548568465297
1998-07-01	24.0535793195485
1998-10-01	24.6332047394802
1999-01-01	26.5946496042114
1999-04-01	24.8490552501230
1999-07-01	25.5485066766492
1999-10-01	25.1893243376354
2000-01-01	25.4652445516072
2000-04-01	25.8624669079632
2000-07-01	25.7680027379508
2000-10-01	24.4463794749848
2001-01-01	24.5239012968407
2001-04-01	24.0307588758941
2001-07-01	23.7446753963353
2001-10-01	23.2587890717544
2002-01-01	24.5089519184151
2002-04-01	25.3448958402955
2002-07-01	25.4470047938574
2002-10-01	25.6769785176631
2003-01-01	25.3673018256758
2003-04-01	26.2867076341690
2003-07-01	26.9518776811758
2003-10-01	27.2987757806972
2004-01-01	24.4133679948495
2004-04-01	25.3384289231850
2004-07-01	25.3439280839902
2004-10-01	26.0891943002430
2005-01-01	25.8504632588355
2005-04-01	27.0010381891517
2005-07-01	27.6597850825460
2005-10-01	28.0116544546248
2006-01-01	27.7061049379773
2006-04-01	27.9974691093749
2006-07-01	28.2988739041052
2006-10-01	28.0844523304426
2007-01-01	28.1373688022130
2007-04-01	28.0552877399832
2007-07-01	28.0526747464192
2007-10-01	28.6431116894771
2008-01-01	28.2456163519871
2008-04-01	28.8222959020248
2008-07-01	28.7378886462907
2008-10-01	28.8944871022219
2009-01-01	28.8221951178525
2009-04-01	29.2204327659655
2009-07-01	30.1603048714081
2009-10-01	29.6459109566648
2010-01-01	30.5685767127454
2010-04-01	30.8539026586048
2010-07-01	31.4457834244390
2010-10-01	31.4178745786080
2011-01-01	30.4562422660623
2011-04-01	30.7134949040877
2011-07-01	29.5362523781305
2011-10-01	28.8420358443307
2012-01-01	29.2791324333553
2012-04-01	29.3619157122164
2012-07-01	30.6567477583519
2012-10-01	30.8949089322431
2013-01-01	30.6921351457035
2013-04-01	30.8260788694360
2013-07-01	31.2054813596283
2013-10-01	31.1158733666345
2014-01-01	30.9284099709624
2014-04-01	30.1764150559432
2014-07-01	29.2971976618242
2014-10-01	29.1104790879009
2015-01-01	28.6782475795218
2015-04-01	28.8658437070493
2015-07-01	29.8882410333349
2015-10-01	30.7387487701396
2016-01-01	32.2313286098496
2016-04-01	33.1099292895630
2016-07-01	34.5689215988032
2016-10-01	34.5100789422535
2017-01-01	34.6405035606900
2017-04-01	34.3750063738819
2017-07-01	35.3037797156812
2017-10-01	35.1499267831568
2018-01-01	35.5573084562944
2018-04-01	37.1808490390741