Month	Ratio
2008-01-01	9.92434482865565
2008-02-01	10.14472603226850
2008-03-01	10.48175782760540
2008-04-01	10.46635610452910
2008-05-01	10.40121183164850
2008-06-01	10.52545592072290
2008-07-01	10.52710091402810
2008-08-01	10.53973282153740
2008-09-01	10.57006163151360
2008-10-01	10.58106144689440
2008-11-01	10.90070509452340
2008-12-01	11.16626985780620
2009-01-01	11.17769217104510
2009-02-01	11.14779144682540
2009-03-01	11.31352980192000
2009-04-01	11.40875349301360
2009-05-01	11.40315782590330
2009-06-01	11.56718995292290
2009-07-01	11.40663998976900
2009-08-01	11.57197163115900
2009-09-01	11.84094667698390
2009-10-01	11.95666336597510
2009-11-01	11.96390256560390
2009-12-01	11.94750127333130
2010-01-01	11.99790452592510
2010-02-01	11.90299694446870
2010-03-01	12.00092941351990
2010-04-01	12.09432151208290
2010-05-01	12.36467286878960
2010-06-01	12.41796186148370
2010-07-01	12.39713200203350
2010-08-01	12.44580023682910
2010-09-01	12.76625744514630
2010-10-01	12.69500535910210
2010-11-01	12.75875689765190
2010-12-01	13.07707215336580
2011-01-01	13.30647299365750
2011-02-01	13.20961784977130
2011-03-01	13.31662601312770
2011-04-01	13.45870572337990
2011-05-01	13.48632388715690
2011-06-01	13.32431249653550
2011-07-01	13.27430443209980
2011-08-01	13.43656102367790
2011-09-01	13.29452609510180
2011-10-01	13.35302380575270
2011-11-01	13.49030645657790
2011-12-01	13.49623125552570
2012-01-01	13.10844297586160
2012-02-01	12.99065983058830
2012-03-01	12.97227655480180
2012-04-01	12.98813686581080
2012-05-01	13.02509381141390
2012-06-01	13.13779522945100
2012-07-01	13.14822578337560
2012-08-01	13.29343708930050
2012-09-01	13.40522378076460
2012-10-01	13.33670263782620
2012-11-01	13.30526107839320
2012-12-01	14.00064529615720
2013-01-01	13.90000404692230
2013-02-01	13.73762346839800
2013-03-01	13.70326984028750
2013-04-01	13.90059230835060
2013-05-01	13.58031545124680
2013-06-01	13.70206260755670
2013-07-01	13.51086408317620
2013-08-01	13.24196667963160
2013-09-01	13.36800046067990
2013-10-01	13.39655278086120
2013-11-01	13.45349870975060
2013-12-01	14.09075891490020
2014-01-01	13.72174689545620
2014-02-01	13.90715299215770
2014-03-01	13.81703328146560
2014-04-01	13.87467857431820
2014-05-01	13.71595586396330
2014-06-01	13.69814310138560
2014-07-01	13.46394108847640
2014-08-01	13.57601432844180
2014-09-01	13.92915269633180
2014-10-01	13.33618997419030
2014-11-01	13.42814528801040
2014-12-01	13.56497365236070
2015-01-01	13.44463016839920
2015-02-01	13.20192027842360
2015-03-01	13.05211900886450
2015-04-01	13.05362521245150
2015-05-01	13.17442151708620
2015-06-01	13.19123558150980
2015-07-01	13.11308088212660
2015-08-01	13.02514729181390
2015-09-01	13.88051324428220
2015-10-01	14.02003852118720
2015-11-01	13.87231077089680
2015-12-01	13.82969568779810
2016-01-01	13.76036861333180
2016-02-01	13.61573191074770
2016-03-01	13.67388453628540
2016-04-01	13.73103537671140
2016-05-01	13.76235265399690
2016-06-01	14.13110160895200
2016-07-01	14.13597160146010
2016-08-01	14.17600289162310
2016-09-01	14.20259594775220
2016-10-01	14.11562926191910
2016-11-01	14.15936184686430
2016-12-01	14.51123382110060
2017-01-01	14.54631296990140
2017-02-01	14.56441043206670
2017-03-01	14.71615309198830
2017-04-01	14.64589968168410
2017-05-01	14.71470903235330
2017-06-01	15.10874386365860
2017-07-01	15.17789810262130
2017-08-01	15.18511007458480
2017-09-01	15.61956930267520
2017-10-01	15.58215411003600
2017-11-01	15.64178182823020
2017-12-01	15.36764195313500
2018-01-01	14.86708350266980
2018-02-01	14.89771012163070
2018-03-01	14.91976521042990
2018-04-01	15.03362466484900
2018-05-01	15.11640324948060
2018-06-01	15.03497543303840