Quarter	Percent, Seasonally Adjusted
2001-01-01	88.2336330104564
2001-04-01	87.6651159478982
2001-07-01	87.9605522131169
2001-10-01	88.0530334104644
2002-01-01	87.9824946749316
2002-04-01	87.5331063755301
2002-07-01	87.6910399032137
2002-10-01	87.5783919126553
2003-01-01	87.6632842850003
2003-04-01	87.5718229558768
2003-07-01	87.6932123631393
2003-10-01	87.8610379179248
2004-01-01	87.9204284884335
2004-04-01	87.8382940942819
2004-07-01	87.6481538724070
2004-10-01	87.2390430479946
2005-01-01	87.2518773259295
2005-04-01	89.2026796176328
2005-07-01	89.2740084288354
2005-10-01	89.5756759853057
2006-01-01	89.3958011520589
2006-04-01	89.1973078264516
2006-07-01	89.6081209219925
2006-10-01	89.5975433092258
2007-01-01	89.8648037239334
2007-04-01	90.0899278761381
2007-07-01	90.0337593936977
2007-10-01	90.1555629757108
2008-01-01	90.4063134919732
2008-04-01	90.3369866156042
2008-07-01	90.4223279786915
2008-10-01	90.3765654732974
2009-01-01	90.2847200688178
2009-04-01	90.1146715757494
2009-07-01	89.9098447800792
2009-10-01	89.8562924478185
2010-01-01	89.7542582099024
2010-04-01	89.8913521297304
2010-07-01	89.8601292013358
2010-10-01	89.8177229462295
2011-01-01	90.1482875957745
2011-04-01	90.3085063337885
2011-07-01	90.1921620370206
2011-10-01	90.5436113178714
2012-01-01	90.4431335028391
2012-04-01	90.6089549666393
2012-07-01	90.5774678556493
2012-10-01	90.7505952687673
2013-01-01	90.9458605256894
2013-04-01	90.9048739493082
2013-07-01	90.8546604475698
2013-10-01	90.9027805214521
2014-01-01	90.8274310356086
2014-04-01	90.6722691798290
2014-07-01	90.9712381939547
2014-10-01	90.7052619991327
2015-01-01	90.8510091228186
2015-04-01	91.0076380528281
2015-07-01	90.6978984028794
2015-10-01	91.0881279859389
2016-01-01	90.8510313850544
2016-04-01	90.8859083284005
2016-07-01	90.9642046071205
2016-10-01	91.0536231245509
2017-01-01	91.2397912785169
2017-04-01	91.2016453387830
2017-07-01	91.3721286108666
2017-10-01	91.1890122073635
2018-01-01	91.2316621973126
2018-04-01	91.5637468127808