Quarter	Percent, Seasonally Adjusted
2006-01-01	75.7100767369750
2006-04-01	75.1938691251756
2006-07-01	74.6502532030229
2006-10-01	74.1955052673918
2007-01-01	74.4252852443208
2007-04-01	74.7219851284918
2007-07-01	74.9115192577040
2007-10-01	75.2895846321764
2008-01-01	74.6139386216625
2008-04-01	73.9982950732196
2008-07-01	73.5538429483924
2008-10-01	73.1866162093147
2009-01-01	73.1869603791513
2009-04-01	72.4355938809927
2009-07-01	71.7649583972446
2009-10-01	71.3088251936784
2010-01-01	70.5561155579916
2010-04-01	70.5417319527424
2010-07-01	70.4093275930482
2010-10-01	69.9984964392834
2011-01-01	69.3032403817732
2011-04-01	68.9701812782251
2011-07-01	68.5962523838807
2011-10-01	68.9796089078500
2012-01-01	68.9756409764888
2012-04-01	68.4954180123322
2012-07-01	68.3055612680437
2012-10-01	67.1431076055135
2013-01-01	66.7760776528028
2013-04-01	66.5792860196091
2013-07-01	66.8160524345662
2013-10-01	66.8848085208887
2014-01-01	66.9494673173208
2014-04-01	66.6150233308291
2014-07-01	66.3386938950616
2014-10-01	65.8568152205173
2015-01-01	65.5595309664020
2015-04-01	65.1972600131822
2015-07-01	64.9319762189844
2015-10-01	64.6053490485694
2016-01-01	64.2854806147845
2016-04-01	64.0965981566396
2016-07-01	63.5926011957544
2016-10-01	63.2910053252358
2017-01-01	62.9406711453369
2017-04-01	62.6885162979860
2017-07-01	62.2743402568108
2017-10-01	61.9918616118738
2018-01-01	61.8895404854719
2018-04-01	62.0406881368378