Quarter	Percent, Seasonally Adjusted
1999-01-01	39.7130601809802
1999-04-01	41.8326551296265
1999-07-01	41.4149714094735
1999-10-01	42.1768047511526
2000-01-01	38.8391472427821
2000-04-01	38.6408597844513
2000-07-01	39.9353477979824
2000-10-01	39.2269184431234
2001-01-01	38.2319933123390
2001-04-01	37.2551835569858
2001-07-01	36.6701842262914
2001-10-01	36.4047468257289
2002-01-01	39.0191801092250
2002-04-01	37.7783625241829
2002-07-01	34.8999985956541
2002-10-01	34.7086868252645
2003-01-01	35.9637096004028
2003-04-01	34.9327295470722
2003-07-01	32.3932064439185
2003-10-01	37.5682845539434
2004-01-01	40.2629083380869
2004-04-01	40.5671584956299
2004-07-01	40.0379749082252
2004-10-01	40.4908999911526
2005-01-01	42.3263029956401
2005-04-01	37.6527699434787
2005-07-01	40.7166637398743
2005-10-01	41.3530422974403
2006-01-01	41.1015021320309
2006-04-01	42.5230822053029
2006-07-01	40.2964899983501
2006-10-01	38.5144735594812
2007-01-01	41.2668484748382
2007-04-01	41.5219737956917
2007-07-01	43.2979702308367
2007-10-01	41.2693007183534
2008-01-01	41.6990053248765
2008-04-01	42.2442343218040
2008-07-01	45.6031159493206
2008-10-01	42.0420183621811
2009-01-01	38.7576994086050
2009-04-01	40.8090820118898
2009-07-01	43.7400554227656
2009-10-01	40.1856542035106
2010-01-01	41.4535652840406
2010-04-01	40.1879156763933
2010-07-01	38.1235540106887
2010-10-01	39.8070718743194
2011-01-01	37.3423830281093
2011-04-01	36.7659216062082
2011-07-01	36.6703655962574
2011-10-01	38.9295001582653
2012-01-01	36.5910319226666
2012-04-01	32.3289877681852
2012-07-01	33.7463321217726
2012-10-01	34.8249308008973
2013-01-01	34.0673091744295
2013-04-01	35.1537287062450
2013-07-01	34.2401074730080
2013-10-01	31.8220539065930
2014-01-01	32.2392114459871
2014-04-01	34.1156474227171
2014-07-01	32.9684466125837
2014-10-01	35.1099814601018
2015-01-01	34.3688874525788
2015-04-01	36.4890517760250
2015-07-01	35.2510398670264
2015-10-01	35.3077812658154
2016-01-01	33.4171725055771
2016-04-01	33.1872816228105
2016-07-01	33.3409627497739
2016-10-01	34.9386643433364
2017-01-01	38.1377605817334
2017-04-01	39.1040054814159
2017-07-01	40.5904574212647
2017-10-01	38.6231783576288
2018-01-01	40.3032143258305
2018-04-01	41.1823755285793