Quarter	Percent
1995-01-01	63.4741055987869
1995-04-01	64.1669987872164
1995-07-01	63.6841863803449
1995-10-01	63.8073809712687
1996-01-01	63.9438362207096
1996-04-01	63.1296357978036
1996-07-01	63.3166155620406
1996-10-01	64.2260024171165
1997-01-01	63.7804605071503
1997-04-01	63.0495690147681
1997-07-01	63.2148052883064
1997-10-01	62.1366299361967
1998-01-01	61.4664095715558
1998-04-01	61.8809556685704
1998-07-01	61.3142741784297
1998-10-01	60.4433696671720
1999-01-01	61.0132273845868
1999-04-01	60.7484762422136
1999-07-01	60.8185662755503
1999-10-01	59.9855229831153
2000-01-01	58.9383533549100
2000-04-01	59.0880472619553
2000-07-01	58.6369576948388
2000-10-01	57.9108015502766
2001-01-01	58.3958282605923
2001-04-01	58.5564757389741
2001-07-01	58.9952063323814
2001-10-01	57.2794456841078
2002-01-01	57.1316752255436
2002-04-01	57.6379345211223
2002-07-01	56.5620014942004
2002-10-01	53.2804792218453
2003-01-01	52.0648644543834
2003-04-01	52.3100350588990
2003-07-01	52.6290066023904
2003-10-01	50.8944659588482
2004-01-01	51.2567999369252
2004-04-01	51.2457018855243
2004-07-01	51.6234333966995
2004-10-01	50.1497173773317
2005-01-01	50.8272475076496
2005-04-01	50.3120756341603
2005-07-01	50.9802110011603
2005-10-01	50.2222435268307
2006-01-01	49.7355825533606
2006-04-01	48.8403563964394
2006-07-01	48.2529813983846
2006-10-01	48.1642611106357
2007-01-01	47.3208724853747
2007-04-01	46.7196260682974
2007-07-01	46.8269298274213
2007-10-01	46.0237856524848
2008-01-01	45.4872850473547
2008-04-01	45.1251412336691
2008-07-01	46.8413578254419
2008-10-01	45.4334660114502
2009-01-01	44.1734834259671
2009-04-01	43.3584758436662
2009-07-01	44.4051096218827
2009-10-01	43.9828936672949
2010-01-01	44.5680622310962
2010-04-01	43.8504007336844
2010-07-01	43.4337334430016
2010-10-01	42.3060608208381
2011-01-01	42.2639561351339
2011-04-01	42.0604725027310
2011-07-01	43.9417992339503
2011-10-01	43.3623266609664
2012-01-01	41.8057548670832
2012-04-01	41.1883232970732
2012-07-01	42.3584178739246
2012-10-01	41.7590329817304
2013-01-01	40.5626295532325
2013-04-01	40.3037575822199
2013-07-01	41.1309608293990
2013-10-01	40.1838803574119
2014-01-01	40.2725233716506
2014-04-01	39.8644896981072
2014-07-01	41.5264250873003
2014-10-01	41.4699427138435
2015-01-01	40.8800622968196
2015-04-01	40.8327514092100
2015-07-01	41.8865338187561
2015-10-01	40.4462252540169
2016-01-01	40.1817896383043
2016-04-01	39.4062092258685
2016-07-01	39.8582121479576
2016-10-01	39.2758834639539
2017-01-01	39.6146908707959
2017-04-01	39.3014589252358
2017-07-01	39.1881723306062
2017-10-01	37.6789296506934
2018-01-01	38.2356753521166
2018-04-01	38.7469681830543
2018-07-01	38.6858303649834