Quarter	Percent
1999-01-01	44.1063485644966
1999-04-01	44.8906399959590
1999-07-01	44.8327961321515
1999-10-01	44.2816873049431
2000-01-01	44.3656303451051
2000-04-01	44.9451765415954
2000-07-01	46.3347234085314
2000-10-01	45.4677921816903
2001-01-01	45.5554997236320
2001-04-01	45.9185211232230
2001-07-01	46.9327309236948
2001-10-01	45.6347215253387
2002-01-01	46.0932798395186
2002-04-01	46.2587763289870
2002-07-01	45.6180788695696
2002-10-01	44.4338629642624
2003-01-01	44.3859649122807
2003-04-01	44.9390885847496
2003-07-01	44.8267227564103
2003-10-01	45.6479303268432
2004-01-01	46.1881386495692
2004-04-01	47.3752754958926
2004-07-01	48.4626940410616
2004-10-01	46.9754631947922
2005-01-01	46.7761313576292
2005-04-01	47.4068882659191
2005-07-01	48.0735595422518
2005-10-01	47.6487931637599
2006-01-01	47.2197264650095
2006-04-01	48.3877408405710
2006-07-01	48.4739855613642
2006-10-01	47.5927308937018
2007-01-01	47.6323119777159
2007-04-01	49.4230003979308
2007-07-01	49.8266811924334
2007-10-01	48.6976329602852
2008-01-01	47.9095710548398
2008-04-01	48.8770423021867
2008-07-01	50.1471020888497
2008-10-01	49.0757538612405
2009-01-01	47.3135209604409
2009-04-01	48.2434560125960
2009-07-01	48.8811633942124
2009-10-01	48.0928365078588
2010-01-01	47.1323888617489
2010-04-01	47.2887151929653
2010-07-01	47.2405211535646
2010-10-01	47.0111745474064
2011-01-01	45.2833869866355
2011-04-01	45.7467564140084
2011-07-01	46.0267965895250
2011-10-01	45.4811205846529
2012-01-01	45.0936511797616
2012-04-01	44.7822914132814
2012-07-01	45.0031610173613
2012-10-01	44.8524048047464
2013-01-01	43.1222071109384
2013-04-01	43.8945016514474
2013-07-01	44.7914137244427
2013-10-01	44.1843523869652
2014-01-01	43.5058949104847
2014-04-01	45.1360923778565
2014-07-01	44.8971672487388
2014-10-01	44.3441986806364
2015-01-01	43.5067138494353
2015-04-01	44.7864656551457
2015-07-01	45.2910668411614