Quarter	Percent
1998-01-01	35.4624744379877
1998-04-01	35.7900973458018
1998-07-01	36.2970753610291
1998-10-01	36.2148246750849
1999-01-01	35.8502903910787
1999-04-01	36.2272213719802
1999-07-01	36.7231866812668
1999-10-01	36.6433158612161
2000-01-01	36.1887476676853
2000-04-01	36.6949460097724
2000-07-01	37.3622676423585
2000-10-01	37.5673403621843
2001-01-01	37.2224253866491
2001-04-01	37.3636881723814
2001-07-01	37.9238794213145
2001-10-01	37.8629087139970
2002-01-01	37.7413499380114
2002-04-01	37.9056818102625
2002-07-01	38.3055241918622
2002-10-01	38.2158091361501
2003-01-01	38.0288562068725
2003-04-01	38.4254105628810
2003-07-01	38.6950008709284
2003-10-01	38.5427865022102
2004-01-01	38.6078430000210
2004-04-01	39.1145635400723
2004-07-01	39.0980699008868
2004-10-01	39.1910263359790
2005-01-01	38.6552748885587
2005-04-01	39.0208103638368
2005-07-01	38.7579412497958
2005-10-01	38.9654959188721
2006-01-01	38.9956147719441
2006-04-01	39.6915307912869
2006-07-01	39.3434322700713
2006-10-01	39.3279217617280
2007-01-01	38.8966259308570
2007-04-01	39.6204949075641
2007-07-01	39.7335048205323
2007-10-01	39.5048555857018
2008-01-01	39.1671456100612
2008-04-01	39.7698908482534
2008-07-01	39.5990907560195
2008-10-01	39.2398170882343
2009-01-01	38.5210953408096
2009-04-01	38.8490654182134
2009-07-01	38.4851464945995
2009-10-01	38.2815409615394
2010-01-01	37.9605289494402
2010-04-01	38.3312118465599
2010-07-01	37.9294102765535
2010-10-01	38.1303647399738
2011-01-01	37.9769259248806
2011-04-01	38.2918114061632
2011-07-01	38.0166425626167
2011-10-01	37.9966229638458
2012-01-01	37.6971854047242
2012-04-01	38.0883988675372
2012-07-01	37.9168952004599
2012-10-01	37.6569314018022
2013-01-01	36.9277471190411
2013-04-01	37.0192426552392
2013-07-01	36.9598030524238
2013-10-01	36.9158940091862
2014-01-01	36.5100536314431
2014-04-01	36.9451576798999
2014-07-01	37.1172757721142