Quarter	Percent
1999-01-01	6.94613123087848
2000-01-01	9.45478758298565
2000-04-01	9.26763450825766
2000-07-01	8.72290585425769
2000-10-01	9.00942904092438
2001-01-01	10.30800968813860
2001-04-01	10.44546250801810
2001-07-01	10.11444208674050
2001-10-01	10.31624482342160
2002-01-01	11.25086877111320
2002-04-01	11.07493748487540
2002-07-01	11.03833947912790
2002-10-01	10.85042762523310
2003-01-01	11.17224841620890
2003-04-01	10.58204983469080
2003-07-01	10.63673002401350
2003-10-01	10.55563080932200
2004-01-01	11.29874186495090
2004-04-01	10.36978913754460
2004-07-01	9.97591908813614
2004-10-01	9.87565673694300
2005-01-01	10.24088864702210
2005-04-01	9.83182571843772
2005-07-01	9.66495712258424
2005-10-01	9.23495733096744
2006-01-01	7.20996274114168
2006-04-01	6.30331943019336
2006-07-01	5.97641522047223
2006-10-01	5.54994037209949
2007-01-01	5.06603334563602
2007-04-01	4.30084136971660
2007-07-01	4.11210535927211
2007-10-01	3.88795515199029
2008-01-01	3.65452787624879
2008-04-01	3.22213063084905
2008-07-01	3.05004673111161
2008-10-01	3.10544961181880
2009-01-01	3.80592936767948
2009-04-01	3.64326100223957
2009-07-01	3.77412748665631
2009-10-01	3.95155962120032
2010-01-01	4.91715864686532
2010-04-01	4.45575683345454
2010-07-01	4.30755523487805
2010-10-01	4.36213924313456
2011-01-01	4.68301345536507
2011-04-01	4.44014388646527
2011-07-01	4.41088471805913
2011-10-01	4.59316187495391
2012-01-01	4.94005883493714
2012-04-01	4.67919332542904
2012-07-01	4.69316840771013
2012-10-01	4.79941011005817
2013-01-01	5.31061932639274
2013-04-01	4.95284952849529
2013-07-01	4.68680792891319
2013-10-01	4.64821922601669
2014-01-01	5.04920955696358
2014-04-01	4.34297678063966
2014-07-01	3.90825828870850