Quarter	Percent
2005-01-01	2.92336265358423
2005-04-01	2.78938149809053
2005-07-01	2.73579559470122
2005-10-01	2.47324807164215
2006-01-01	2.76283734403161
2006-04-01	2.48273184062349
2006-07-01	2.91166062423223
2006-10-01	2.71224862840354
2007-01-01	2.91121063780214
2007-04-01	2.50540339542237
2007-07-01	2.73233898999223
2007-10-01	2.61214216086910
2008-01-01	3.02845131380629
2008-04-01	2.60979728515662
2008-07-01	3.21844700784938
2008-10-01	3.46168441182063
2009-01-01	4.35239513092215
2009-04-01	4.48394368256022
2009-07-01	4.81470199218460
2009-10-01	4.71903293960644
2010-01-01	4.76217250832024
2010-04-01	4.40394501393958
2010-07-01	4.43258684864828
2010-10-01	4.81324037613374
2011-01-01	4.60917145162982
2011-04-01	4.38373900094134
2011-07-01	4.38391519458904
2011-10-01	4.20497192454731
2012-01-01	4.25331850910462
2012-04-01	3.83189714314712
2012-07-01	4.15639974595052
2012-10-01	4.28369274461237
2013-01-01	4.17562486348176
2013-04-01	4.40182209018072
2013-07-01	4.36589974392761
2013-10-01	3.92092804441897
2014-01-01	4.05213610034630
2014-04-01	4.17662349672216
2014-07-01	4.56425851844776
2014-10-01	3.66620187044688
2015-01-01	3.67356849374758
2015-04-01	3.46653008936712
2015-07-01	3.98569783631204
2015-10-01	3.48791469502266
2016-01-01	3.41512536840264
2016-04-01	3.40229107474726
2016-07-01	3.47624841448988
2016-10-01	3.09346548559094
2017-01-01	2.88600241390682
2017-04-01	2.89042962098439
2017-07-01	2.87048535046621
2017-10-01	2.74161484694667
2018-01-01	2.56712941295409
2018-04-01	2.84445680499115