Month	Ratio
2008-01-01	32.3943749933433
2008-02-01	27.4490331075072
2008-03-01	32.5015835425366
2008-04-01	31.7802584659374
2008-05-01	31.0401812101711
2008-06-01	30.1047573784605
2008-07-01	29.0839620487968
2008-08-01	28.4920071316853
2008-09-01	27.9453600080574
2008-10-01	27.5357775206316
2008-11-01	27.4098654808043
2008-12-01	27.9929468702260
2009-01-01	26.3317719839591
2009-02-01	25.0035788137217
2009-03-01	23.0521721137876
2009-04-01	22.1491251828801
2009-05-01	21.1391376363844
2009-06-01	21.0493080850084
2009-07-01	20.6212807006349
2009-08-01	20.3485220563729
2009-09-01	19.4867456048635
2009-10-01	19.0365665520717
2009-11-01	18.5065566029549
2009-12-01	18.7983966763149
2010-01-01	18.0599079857053
2010-02-01	18.3763455296615
2010-03-01	18.8983994739159
2010-04-01	18.8589680942794
2010-05-01	18.7109809776145
2010-06-01	18.8979828453984
2010-07-01	19.5614334765963
2010-08-01	19.5950692158356
2010-09-01	19.5444345471599
2010-10-01	19.4551979782759
2010-11-01	19.8562898743275
2010-12-01	18.5695426887529
2011-01-01	18.5571179068488
2011-02-01	18.9322040318954
2011-03-01	18.9427495465202
2011-04-01	19.1590324197443
2011-05-01	19.4951262898977
2011-06-01	19.2219868523441
2011-07-01	18.9478640420577
2011-08-01	18.9752319772557
2011-09-01	20.0170926737610
2011-10-01	20.6592183129898
2011-11-01	20.6506638753103
2011-12-01	21.3323473079277
2012-01-01	21.7728580149494
2012-02-01	21.8628804407393
2012-03-01	22.2731009517334
2012-04-01	22.0661174595322
2012-05-01	21.8244425312194
2012-06-01	21.4008262313370
2012-07-01	21.6131340281165
2012-08-01	21.3660978357811
2012-09-01	20.6763825291866
2012-10-01	20.3362785411987
2012-11-01	20.0868863826059
2012-12-01	20.5306100322287
2013-01-01	20.4244284337128
2013-02-01	20.3974807161770
2013-03-01	19.3696874985083
2013-04-01	19.3001262246494
2013-05-01	18.9201299388513
2013-06-01	19.3568328440755
2013-07-01	19.1114185239821
2013-08-01	18.6505969789406
2013-09-01	19.0886507524560
2013-10-01	19.1480096049626
2013-11-01	19.0459621536552
2013-12-01	18.6362306755025
2014-01-01	18.3403901465296
2014-02-01	17.9333088351165
2014-03-01	17.4977461357759
2014-04-01	17.4247361444368
2014-05-01	18.0295527327356
2014-06-01	17.6589219064838
2014-07-01	16.6314337306987
2014-08-01	17.1249816064582
2014-09-01	18.4390909373787
2014-10-01	18.6574218082031
2014-11-01	18.4861883571039
2014-12-01	18.7750873272863
2015-01-01	19.3342757209717
2015-02-01	19.7490033380523
2015-03-01	20.7479090196152
2015-04-01	20.9601779497514
2015-05-01	20.8511349344870
2015-06-01	21.1759409426833
2015-07-01	22.2899862067406
2015-08-01	22.1158414976557
2015-09-01	19.7824820566493
2015-10-01	19.7208235111207
2015-11-01	19.9067574925946
2015-12-01	20.5945747131418
2016-01-01	20.5717390808909
2016-02-01	20.5506371110025
2016-03-01	20.7496437627545
2016-04-01	20.8771974374027
2016-05-01	21.0261691192875
2016-06-01	21.3226606231046
2016-07-01	21.2921246097212
2016-08-01	21.4780838130320
2016-09-01	22.4327288372830
2016-10-01	22.3160530253203
2016-11-01	22.4908240212548
2016-12-01	22.2296690010826
2017-01-01	21.9841791755688
2017-02-01	21.8794734248296
2017-03-01	21.6751110104722
2017-04-01	20.6679731093873
2017-05-01	20.3539758626017
2017-06-01	19.4344723684121
2017-07-01	19.5570286410194
2017-08-01	19.8510169452502
2017-09-01	19.5886036540582
2017-10-01	19.5546752271020
2017-11-01	20.1461669572278
2017-12-01	20.0256491903684
2018-01-01	20.0355874465423
2018-02-01	19.7753592254962
2018-03-01	19.6991675211720
2018-04-01	19.8776680115830
2018-05-01	19.6575536157450
2018-06-01	20.1217180628328