Quarter	Percent
1999-01-01	7.31407498463430
1999-04-01	7.52081354416941
1999-07-01	8.01437857369019
1999-10-01	8.20435454731706
2000-01-01	9.19099869815882
2000-04-01	9.12590663938999
2000-07-01	9.00249191058876
2000-10-01	8.77375683415777
2001-01-01	9.70687795260946
2001-04-01	9.46224958613121
2001-07-01	9.38109659798220
2001-10-01	9.18756156948756
2002-01-01	9.45481564038265
2002-04-01	9.03147924598384
2002-07-01	8.92376265205683
2002-10-01	8.80151551733744
2003-01-01	8.97181347534839
2003-04-01	8.30704716666048
2003-07-01	8.34972353137640
2003-10-01	8.53251187648456
2004-01-01	9.56461799280884
2004-04-01	9.14781831054142
2004-07-01	8.72600673952302
2004-10-01	8.54307841239109
2005-01-01	8.65423968448860
2005-04-01	7.96957241430617
2005-07-01	7.74604708199402
2005-10-01	7.60657564781276
2006-01-01	7.38142952571810
2006-04-01	6.66147109032881
2006-07-01	6.37942551770207
2006-10-01	5.95635715876197
2007-01-01	5.69657834186892
2007-04-01	5.46834409559860
2007-07-01	5.59737466627114
2007-10-01	5.17279738949867
2008-01-01	5.18762978344705
2008-04-01	4.97441412043904
2008-07-01	4.47387921452390
2008-10-01	4.32011856243053
2009-01-01	5.13423440103684
2009-04-01	5.58727343273654
2009-07-01	6.26732197627582
2009-10-01	6.92681484766181
2010-01-01	7.52729893021451
2010-04-01	7.15957897841435
2010-07-01	7.07109808475732
2010-10-01	6.95681026378366
2011-01-01	6.91157925969884
2011-04-01	6.55540101993510
2011-07-01	6.58333951487278
2011-10-01	7.02457116365322
2012-01-01	7.05179209148271
2012-04-01	6.82049479118480
2012-07-01	6.87970690006106
2012-10-01	7.22387728290435
2013-01-01	7.31499963036889
2013-04-01	7.02853552154949
2013-07-01	7.05995416574259
2013-10-01	7.14496932061802
2014-01-01	7.06992374305286
2014-04-01	6.58062371904946
2014-07-01	6.47895125553914