Quarter	Percent, Seasonally Adjusted
1999-04-01	74.2614826944085
1999-07-01	74.6052571541884
1999-10-01	74.8311904301374
2000-01-01	74.9175438696110
2000-04-01	75.0056668546095
2000-07-01	74.9740181746070
2000-10-01	74.8273811970951
2001-01-01	74.9004374263978
2001-04-01	75.0147625839151
2001-07-01	75.2289328607126
2001-10-01	74.8956104715059
2002-01-01	74.6559329540291
2002-04-01	74.4828250034106
2002-07-01	74.2084108300537
2002-10-01	74.3317292251518
2003-01-01	74.2911005488031
2003-04-01	74.3347916947206
2003-07-01	74.2866797384331
2003-10-01	74.6457591863794
2004-01-01	74.9368211506634
2004-04-01	74.7523703979265
2004-07-01	74.9942369458179
2004-10-01	75.0726005579782
2005-01-01	75.1550150036412
2005-04-01	75.4671592262686
2005-07-01	75.9280087557466
2005-10-01	76.0170175754369
2006-01-01	76.4991288861672
2006-04-01	76.6190955372241
2006-07-01	76.8969542974108
2006-10-01	76.9415638711332
2007-01-01	80.1998604930058
2007-04-01	79.9378078130338
2007-07-01	79.6506254186806
2007-10-01	79.4334373353874
2008-01-01	79.1997509451595
2008-04-01	78.8753824472429
2008-07-01	78.5566710725316
2008-10-01	77.7580369841733
2009-01-01	76.5387929654362
2009-04-01	76.2112048940288
2009-07-01	75.1434303367815
2009-10-01	74.7534654640918
2010-01-01	74.1483273198345
2010-04-01	73.7817076798390
2010-07-01	73.4806851712952
2010-10-01	72.9083816642283
2011-01-01	72.8110804540821
2011-04-01	72.7311894080291
2011-07-01	72.3874538843078
2011-10-01	72.8434407515163
2012-01-01	72.6008095735576
2012-04-01	72.3863114906060
2012-07-01	72.4339756457542
2012-10-01	72.1307751144143
2013-01-01	72.2825403231654
2013-04-01	72.6091894882492
2013-07-01	72.7335333675904
2013-10-01	72.8810104457664
2014-01-01	72.7657781379523
2014-04-01	72.4739590642138
2014-07-01	72.6003990166082
2014-10-01	72.8037398848681
2015-01-01	73.0154210219636
2015-04-01	73.0714293069430
2015-07-01	72.9615301729789
2015-10-01	72.9189620708155
2016-01-01	72.9037549342384
2016-04-01	73.3267750090517
2016-07-01	73.3216479068473
2016-10-01	72.8337273153968
2017-01-01	72.6875949762610
2017-04-01	72.5536843583285
2017-07-01	72.6010255297672
2017-10-01	72.9108211422349
2018-01-01	72.9733954969667
2018-04-01	72.8078393538277