Quarter	Percent
1999-01-01	25.2440566201443
1999-04-01	25.8582368461436
1999-07-01	26.1388516836273
1999-10-01	26.7467394361680
2000-01-01	27.2051255534051
2000-04-01	27.8319775210249
2000-07-01	28.0764424843807
2000-10-01	28.4453177698918
2001-01-01	28.7400308094300
2001-04-01	28.9047461647644
2001-07-01	29.2764497179084
2001-10-01	29.4855684652116
2002-01-01	29.9252110049411
2002-04-01	30.4645841909266
2002-07-01	30.6383648098538
2002-10-01	30.8913812899124
2003-01-01	30.9672235744500
2003-04-01	31.6598027910479
2003-07-01	32.0508071662673
2003-10-01	32.3547129281562
2004-01-01	32.4395297404260
2004-04-01	32.9195400165208
2004-07-01	33.3807993712291
2004-10-01	33.7551364111154
2005-01-01	34.2567802981681
2005-04-01	35.2875090767102
2005-07-01	35.5033517341185
2005-10-01	35.7470800719728
2006-01-01	35.8750796225102
2006-04-01	36.5414995746749
2006-07-01	36.5825235756033
2006-10-01	37.0176119309794
2007-01-01	37.0456866314434
2007-04-01	37.5663667911850
2007-07-01	37.7479305200435
2007-10-01	37.8000446700330
2008-01-01	37.5698494743827
2008-04-01	37.8464002228102
2008-07-01	37.8073646033977
2008-10-01	37.3676084540300
2009-01-01	36.2055267702936
2009-04-01	36.1134461932413
2009-07-01	36.1258888142830
2009-10-01	35.8356143192922
2010-01-01	35.5652397921944
2010-04-01	35.5186967599146
2010-07-01	35.5821097595983
2010-10-01	35.6517051968719
2011-01-01	35.1803324940473
2011-04-01	35.8450355336887
2011-07-01	35.3223219465584
2011-10-01	34.8144645648831
2012-01-01	34.4075348884762
2012-04-01	34.4941603568978
2012-07-01	34.1819994716254
2012-10-01	33.6717392045261
2013-01-01	33.2230432391177
2013-04-01	33.4067416113971
2013-07-01	33.5234872084129
2013-10-01	33.4791663993773
2014-01-01	33.3289094575329
2014-04-01	33.8611590196137
2014-07-01	33.7993632208699
2014-10-01	34.2705089154317