Quarter	Percent
2005-01-01	38.0072979062529
2005-04-01	38.1070690083429
2005-07-01	37.2677766976223
2005-10-01	37.2336477499779
2006-01-01	37.3056629835607
2006-04-01	37.0119202189726
2006-07-01	36.2190215129528
2006-10-01	36.2897900624581
2007-01-01	36.9802034966120
2007-04-01	36.8198941638312
2007-07-01	36.8184378150772
2007-10-01	35.8317331289294
2008-01-01	36.7650587618066
2008-04-01	36.4670835501422
2008-07-01	36.6808865167240
2008-10-01	37.2357697483512
2009-01-01	37.4948817022988
2009-04-01	37.2966025311759
2009-07-01	35.9648776775693
2009-10-01	36.0241264601380
2010-01-01	37.2688716317382
2010-04-01	36.2996399246047
2010-07-01	36.4277708076810
2010-10-01	37.4512119854734
2011-01-01	37.6245808171734
2011-04-01	36.7463766037242
2011-07-01	36.2872534930761
2011-10-01	35.6320144938615
2012-01-01	36.7292170588954
2012-04-01	35.4633291386055
2012-07-01	35.1202080692685
2012-10-01	35.9991408967276
2013-01-01	36.8289537726606
2013-04-01	35.6660072083676
2013-07-01	35.6698607980128
2013-10-01	35.3746966335845
2014-01-01	36.4702776217344
2014-04-01	36.3249294692642
2014-07-01	36.2050525999476
2014-10-01	36.6403927634762
2015-01-01	37.0576106028697
2015-04-01	36.5635310536208
2015-07-01	36.2569696759819
2015-10-01	35.6869493850053
2016-01-01	36.9035263707020
2016-04-01	36.4681465454549
2016-07-01	35.8347150152597
2016-10-01	36.3342999448918
2017-01-01	36.8172582038522
2017-04-01	36.6198797235887
2017-07-01	36.5537288798954
2017-10-01	36.4472402543499
2018-01-01	36.9557077477470
2018-04-01	36.1783768781163