Quarter	Percent
1995-01-01	28.6298107399196
1995-04-01	27.1098023075931
1995-07-01	25.9495674824041
1995-10-01	28.4657850267148
1996-01-01	29.0015209211238
1996-04-01	27.4879608772799
1996-07-01	26.2800773358933
1996-10-01	28.5645848988559
1997-01-01	29.3241874536609
1997-04-01	27.5346480977206
1997-07-01	26.0816206828362
1997-10-01	28.1558236072157
1998-01-01	29.2797034231605
1998-04-01	27.5300113303838
1998-07-01	26.2760945403330
1998-10-01	28.4307953717696
1999-01-01	29.1283696550601
1999-04-01	27.1593180553362
1999-07-01	26.0909076548666
1999-10-01	28.0847946370024
2000-01-01	28.9678829810701
2000-04-01	27.2931855692881
2000-07-01	26.2473951203102
2000-10-01	28.1131874598474
2001-01-01	28.9110063118776
2001-04-01	27.2769626480676
2001-07-01	26.4645610167177
2001-10-01	28.2921503575929
2002-01-01	28.4842411915646
2002-04-01	26.7073188177131
2002-07-01	25.4473091224168
2002-10-01	27.3268387301240
2003-01-01	27.8303402388026
2003-04-01	26.1462129895795
2003-07-01	25.1887826152457
2003-10-01	27.1836070705702
2004-01-01	28.0320554066476
2004-04-01	26.4357532314300
2004-07-01	25.5746493090121
2004-10-01	27.2977849304033
2005-01-01	28.3229981211678
2005-04-01	26.7815008985618
2005-07-01	25.8061122793532
2005-10-01	27.8830858759417
2006-01-01	28.9303007913416
2006-04-01	27.3898997067451
2006-07-01	26.2294873954790
2006-10-01	28.1783096674216
2007-01-01	28.7941997249526
2007-04-01	27.1421526125537
2007-07-01	26.2745555995393
2007-10-01	27.6551684990239
2008-01-01	28.3566889357632
2008-04-01	26.8163219518285
2008-07-01	26.1201094670557
2008-10-01	27.7802693917098
2009-01-01	28.8585177612539
2009-04-01	27.4606045570882
2009-07-01	27.2075469547087
2009-10-01	28.8340080905384
2010-01-01	29.6897865069252
2010-04-01	27.8224835164278
2010-07-01	27.1202400350242
2010-10-01	29.1179755637564
2011-01-01	29.6716627544460
2011-04-01	27.9942028617958
2011-07-01	27.3928407754368
2011-10-01	29.3287117470838
2012-01-01	30.2431090215921
2012-04-01	28.3144040777326
2012-07-01	27.8423277954215
2012-10-01	29.5251484257056
2013-01-01	30.3211681102519
2013-04-01	28.6336527450759
2013-07-01	27.9659026378244
2013-10-01	29.5890609147361
2014-01-01	30.3619304638129
2014-04-01	29.1012963603439
2014-07-01	28.2813075510249
2014-10-01	30.0008115881248
2015-01-01	30.7357093981019
2015-04-01	28.9573025984570
2015-07-01	28.1035303886712
2015-10-01	29.8258395884363
2016-01-01	30.5488334475830
2016-04-01	29.4147261463518
2016-07-01	28.8483897912986
2016-10-01	30.1296438533007
2017-01-01	30.6367700817787
2017-04-01	29.3632335956012
2017-07-01	28.9644485946830
2017-10-01	30.3831845245952
2018-01-01	31.1613430335398
2018-04-01	29.9077334112041
2018-07-01	29.5363541934050