Quarter	Percent
1995-01-01	33.5424591922477
1995-04-01	32.9864575320766
1995-07-01	33.2519065326356
1995-10-01	33.4594934223333
1996-01-01	33.4319081247912
1996-04-01	34.1742165212966
1996-07-01	33.7075133929855
1996-10-01	33.0704604948104
1997-01-01	33.2693062813120
1997-04-01	34.1519494471896
1997-07-01	33.8680983056026
1997-10-01	35.2289643635144
1998-01-01	35.6718948946374
1998-04-01	35.7538065605722
1998-07-01	35.9455914912004
1998-10-01	37.1129413299333
1999-01-01	36.5125245091476
1999-04-01	37.3771560229231
1999-07-01	36.9492818324742
1999-10-01	38.2085699587307
2000-01-01	39.0381641341455
2000-04-01	38.8365946276162
2000-07-01	38.5294403271806
2000-10-01	39.9176295394558
2001-01-01	39.3569875676659
2001-04-01	39.4342704910142
2001-07-01	38.4237288737776
2001-10-01	40.1590674032657
2002-01-01	40.2384862024428
2002-04-01	40.1586317801859
2002-07-01	40.9038971521104
2002-10-01	43.9080672056665
2003-01-01	45.1626052964254
2003-04-01	44.9751627080024
2003-07-01	44.5442116219206
2003-10-01	46.7876762054329
2004-01-01	45.9850403556318
2004-04-01	46.0166993296481
2004-07-01	45.3311390698352
2004-10-01	47.2812602326769
2005-01-01	46.4767006773119
2005-04-01	47.1759160353697
2005-07-01	46.1012839120998
2005-10-01	47.3353034237038
2006-01-01	47.6672126982160
2006-04-01	48.7845644777931
2006-07-01	48.4544723212537
2006-10-01	49.6442110730847
2007-01-01	50.3153365494089
2007-04-01	50.9913676533668
2007-07-01	49.8260553161636
2007-10-01	51.5726112549430
2008-01-01	52.1150238475404
2008-04-01	52.4146826716317
2008-07-01	50.1365293562805
2008-10-01	51.8265703808243
2009-01-01	52.6131403348307
2009-04-01	53.6368948833109
2009-07-01	52.2719620901868
2009-10-01	52.8898586507510
2010-01-01	52.3446748715009
2010-04-01	53.3605784419669
2010-07-01	52.7867266214187
2010-10-01	54.6868982939282
2011-01-01	54.0753035956358
2011-04-01	54.5237664510608
2011-07-01	52.7064613699358
2011-10-01	53.4099381054596
2012-01-01	54.5740823598493
2012-04-01	55.7392455826721
2012-07-01	54.1226837111791
2012-10-01	55.1066866762656
2013-01-01	55.8989651539140
2013-04-01	56.5873980465572
2013-07-01	55.0178478122226
2013-10-01	56.6250246217845
2014-01-01	56.2016893347256
2014-04-01	57.1781815869156
2014-07-01	55.1260014606080
2014-10-01	55.4095956187126
2015-01-01	55.8628312366814
2015-04-01	56.2493073059980
2015-07-01	54.5647175664303
2015-10-01	56.4507526003079
2016-01-01	56.4540299470712
2016-04-01	57.3694674250288
2016-07-01	56.1729473184112
2016-10-01	57.6871252048265
2017-01-01	56.9955649903255
2017-04-01	57.5625896750284
2017-07-01	57.1923085738384
2017-10-01	59.7161478229043
2018-01-01	58.7730813728800
2018-04-01	58.6802866427498
2018-07-01	57.8070990133083