Quarter	Percent
2005-01-01	6.77451309100000
2005-04-01	6.14828998866667
2005-07-01	6.71058932933333
2005-10-01	5.47292483366667
2006-01-01	6.65416548033333
2006-04-01	5.41948756533333
2006-07-01	7.15538062266667
2006-10-01	6.77013232066667
2007-01-01	7.27481377366667
2007-04-01	6.01612583200000
2007-07-01	7.07994975766667
2007-10-01	6.42146624000000
2008-01-01	7.11077310733333
2008-04-01	6.28925654233333
2008-07-01	7.60867177066667
2008-10-01	8.24875242833334
2009-01-01	9.03127490900000
2009-04-01	9.97022547166666
2009-07-01	10.69195225666670
2009-10-01	9.05256175600000
2010-01-01	9.34409357933334
2010-04-01	8.97607314900000
2010-07-01	10.12146059733330
2010-10-01	9.58129578033333
2011-01-01	9.32253102666667
2011-04-01	9.42967988066667
2011-07-01	10.17054543100000
2011-10-01	8.37339397500000
2012-01-01	9.04973681700000
2012-04-01	8.83725018933334
2012-07-01	9.33243639066667
2012-10-01	8.21971070500000
2013-01-01	8.86990579666666
2013-04-01	8.42214617433333
2013-07-01	9.37517275300000
2013-10-01	7.99070552500000
2014-01-01	8.66809141666667
2014-04-01	9.29436170000000
2014-07-01	9.36305798766666
2014-10-01	7.92842199966667
2015-01-01	7.96188440533333
2015-04-01	8.23034598300000
2015-07-01	7.85372086100000
2015-10-01	7.29391628333333
2016-01-01	7.61063507766667
2016-04-01	7.39946844266667
2016-07-01	6.88219645200000
2016-10-01	6.57994748266667
2017-01-01	5.98793644800000
2017-04-01	6.33371682866667
2017-07-01	6.65075943433333
2017-10-01	6.08608771900000
2018-01-01	6.28940011766667
2018-04-01	6.94532527200000
2018-07-01	6.68630576866667