Quarter	Percent
1995-01-01	42.0924025148750
1995-04-01	37.3808934152500
1995-07-01	33.4023104525694
1995-10-01	41.7478614835168
1996-01-01	43.2763363598588
1996-04-01	38.4790224720140
1996-07-01	34.1729108933180
1996-10-01	42.6138018047383
1997-01-01	44.1238599663912
1997-04-01	39.3445088732246
1997-07-01	35.1467071293815
1997-10-01	44.5449219898329
1998-01-01	45.4269019446413
1998-04-01	39.3690199144949
1998-07-01	33.9706938132060
1998-10-01	40.7924129347541
1999-01-01	42.4107626015586
1999-04-01	37.0107587272564
1999-07-01	33.1865029006066
1999-10-01	41.1643122065470
2000-01-01	41.9039677797703
2000-04-01	36.8319342293338
2000-07-01	31.1909895628315
2000-10-01	38.5798135765876
2001-01-01	40.5491085611093
2001-04-01	36.2214899089748
2001-07-01	31.6587156607248
2001-10-01	38.6464737872693
2002-01-01	39.9254953358048
2002-04-01	34.1193842615803
2002-07-01	28.7306106844023
2002-10-01	36.1898695104827
2003-01-01	37.4101082416331
2003-04-01	32.4280450670811
2003-07-01	28.1406604204015
2003-10-01	36.1095577536158
2004-01-01	37.9368769837403
2004-04-01	32.7297737400507
2004-07-01	28.7222641637024
2004-10-01	36.3468040017637
2005-01-01	38.4632494005544
2005-04-01	33.2657484669914
2005-07-01	29.4621589240976
2005-10-01	36.0093815748105
2006-01-01	37.4083488339784
2006-04-01	32.6098362558208
2006-07-01	28.7123770554375
2006-10-01	36.3725280197777
2007-01-01	37.2821458330969
2007-04-01	32.6639885876879
2007-07-01	28.4906513597203
2007-10-01	35.6055603202402
2008-01-01	36.7148545733376
2008-04-01	31.7559157719603
2008-07-01	28.8253275845036
2008-10-01	35.5170716554431
2009-01-01	38.2056127276133
2009-04-01	33.1065891088716
2009-07-01	29.8633189405346
2009-10-01	37.8060130080246
2010-01-01	38.2476333757612
2010-04-01	32.8568696250087
2010-07-01	31.0061201833511
2010-10-01	38.6036850949316
2011-01-01	38.9869621607818
2011-04-01	33.6894458788209
2011-07-01	30.9606245238213
2011-10-01	38.5434586416183
2012-01-01	40.0850892634217
2012-04-01	34.5995976076086
2012-07-01	31.9307495715116
2012-10-01	38.6457723045579
2013-01-01	38.7339476331774
2013-04-01	34.5505928661041
2013-07-01	31.8548902139034
2013-10-01	39.5487883846411
2014-01-01	40.0176881282354
2014-04-01	33.2502232660080
2014-07-01	30.4273685723728
2014-10-01	37.7846934119431
2015-01-01	39.3792418745262
2015-04-01	33.8527841276303
2015-07-01	30.9405847621970
2015-10-01	38.1249046281812
2016-01-01	39.7231449502081
2016-04-01	34.5915690173121
2016-07-01	31.6920920121559
2016-10-01	37.8913465244961
2017-01-01	39.8575795882930
2017-04-01	34.0644374218673
2017-07-01	32.2080416031839
2017-10-01	37.9403765106972
2018-01-01	40.1173377999738
2018-04-01	34.5961344129556
2018-07-01	31.8870813172712