Quarter	Percent, Seasonally Adjusted
2000-01-01	65.9548863763706
2000-04-01	54.9369836551413
2000-07-01	66.5032794459458
2000-10-01	60.4841185699930
2001-01-01	55.1938832654381
2001-04-01	58.1191608835303
2001-07-01	62.6743730723634
2001-10-01	61.9406253627563
2002-01-01	62.9919387947815
2002-04-01	60.8094587197906
2002-07-01	57.6465777306800
2002-10-01	60.6213566961741
2003-01-01	59.9908152978967
2003-04-01	58.4773076538550
2003-07-01	58.7191031199395
2003-10-01	66.0506644489812
2004-01-01	59.4039414283854
2004-04-01	52.3049291030528
2004-07-01	56.3463431314213
2004-10-01	63.7808038434606
2005-01-01	63.5049069728875
2005-04-01	60.5317772538215
2005-07-01	56.9068305111807
2005-10-01	61.0850776725426
2006-01-01	63.4153644046874
2006-04-01	64.0947901208080
2006-07-01	58.8332119502244
2006-10-01	59.3940966045894
2007-01-01	62.9264322689318
2007-04-01	63.2916173990253
2007-07-01	61.1356766976560
2007-10-01	66.0474246334333
2008-01-01	67.4903080882615
2008-04-01	65.0950167026659
2008-07-01	67.6960496030053
2008-10-01	72.9734554109532
2009-01-01	67.4345244998024
2009-04-01	66.2988296537787
2009-07-01	66.7505292564020
2009-10-01	68.5853009982770
2010-01-01	61.9163603284418
2010-04-01	62.3405781380481
2010-07-01	63.9912617183603
2010-10-01	69.0909424163993
2011-01-01	68.1135082321012
2011-04-01	62.9875747804870
2011-07-01	65.2919010768648
2011-10-01	71.7517491774817
2012-01-01	65.3386723338132
2012-04-01	63.1442039538887
2012-07-01	64.8384171900199
2012-10-01	68.0228658933266
2013-01-01	66.9790930225480
2013-04-01	67.4376835458424
2013-07-01	65.9800653906339
2013-10-01	67.0739458354442
2014-01-01	65.4425461681115
2014-04-01	70.6081045208946
2014-07-01	70.0073762572381
2014-10-01	70.4681227640091
2015-01-01	67.6538974748120
2015-04-01	64.8363336005777
2015-07-01	70.0000723277536
2015-10-01	68.3793813116401
2016-01-01	65.1182098837756
2016-04-01	74.5914683182657
2016-07-01	74.0907366401741
2016-10-01	67.7221026274566
2017-01-01	71.3002201063947
2017-04-01	73.6747144673540
2017-07-01	72.1721232072787
2017-10-01	70.6655376156793
2018-01-01	69.0828860814644
2018-04-01	70.0158598052037