Quarter	Percent
1998-04-01	4.37517646394489
1999-04-01	3.76928114907744
2000-04-01	2.69062849020205
2001-01-01	2.65437871089129
2001-04-01	2.42532694082427
2001-07-01	2.43107093059866
2001-10-01	2.39140934772597
2002-01-01	2.71031287510798
2002-04-01	2.54560121902030
2002-07-01	2.57076026009782
2002-10-01	2.52059510635682
2003-01-01	2.91546166128834
2003-04-01	2.85341540108383
2003-07-01	2.85475420800357
2003-10-01	2.95453533419424
2004-01-01	3.48822986511881
2004-04-01	3.43380050196566
2004-07-01	3.27796136529974
2004-10-01	3.10165295678334
2005-01-01	3.43764896294079
2005-04-01	4.57181433852011
2005-07-01	3.81805925451150
2005-10-01	3.69671072244857
2006-01-01	4.06416048959933
2006-04-01	4.26384759387733
2006-07-01	3.37519795882456
2006-10-01	3.13041951133844
2007-01-01	3.54498689276195
2007-04-01	3.66633104233244
2007-07-01	2.93944224847678
2007-10-01	2.88762245153698
2008-01-01	3.28926574607915
2008-04-01	3.69741866005287
2008-07-01	3.04458294425503
2008-10-01	3.24313203174913
2009-01-01	4.11303287620980
2009-04-01	4.91208424407524
2009-07-01	4.29035100917826
2009-10-01	4.32409829737959
2010-01-01	4.90197128202932
2010-04-01	5.08755425370422
2010-07-01	4.25484232431567
2010-10-01	3.96554110894589
2011-01-01	4.38972504387598
2011-04-01	4.62050061620841
2011-07-01	3.80783635534148
2011-10-01	3.81151188911965
2012-01-01	4.30404675687695
2012-04-01	4.66060907369601
2012-07-01	4.05248367808320
2012-10-01	4.04980479054553
2013-01-01	4.57775434897206
2013-04-01	4.77218629536789
2013-07-01	4.01405339448383
2013-10-01	3.98113425561193
2014-01-01	4.59601259181532
2014-04-01	4.76674490736860
2014-07-01	3.97903239306939
2014-10-01	3.92967942088935