Month	Ratio
2005-01-01	62.7802436373017
2005-02-01	63.3465195398126
2005-03-01	62.1871135155786
2005-04-01	63.7714814877840
2005-05-01	64.3694766798571
2005-06-01	63.0606604963040
2005-07-01	66.0378614068720
2005-08-01	64.2325371372188
2005-09-01	65.5076058707671
2005-10-01	67.0581159401175
2005-11-01	66.7970576693712
2005-12-01	68.0975350198987
2006-01-01	68.0501099765521
2006-02-01	66.1656948292957
2006-03-01	65.1612858094660
2006-04-01	64.5875456680253
2006-05-01	63.2271614696541
2006-06-01	64.3058934214222
2006-07-01	63.5498939873254
2006-08-01	62.8203729174997
2006-09-01	61.5356621267097
2006-10-01	61.4919756687668
2006-11-01	61.4857038575317
2006-12-01	64.1760003680587
2007-01-01	58.4594021144595
2007-02-01	60.6674863771185
2007-03-01	61.1246083697107
2007-04-01	63.7523991236805
2007-05-01	62.6974972602695
2007-06-01	62.3005417581173
2007-07-01	61.2929751785335
2007-08-01	61.6422020360194
2007-09-01	61.6443587143002
2007-10-01	63.2140740160838
2007-11-01	62.5533798176816
2007-12-01	64.2289055927154
2008-01-01	62.2442409072961
2008-02-01	62.3221942383997
2008-03-01	60.5855640767416
2008-04-01	60.2934650760194
2008-05-01	61.0866713299967
2008-06-01	62.0839938086192
2008-07-01	61.7877463234165
2008-08-01	61.6007285110087
2008-09-01	61.5398448499541
2008-10-01	59.2445225309681
2008-11-01	56.8306175180037
2008-12-01	56.0696292028122
2009-01-01	55.0421578395877
2009-02-01	54.1646868345883
2009-03-01	56.4386146179344
2009-04-01	57.7986393596105
2009-05-01	58.1578117356980
2009-06-01	56.6723136890245
2009-07-01	57.9386636074750
2009-08-01	56.2919170748167
2009-09-01	55.9368889578562
2009-10-01	56.0552998026264
2009-11-01	57.7578133215373
2009-12-01	57.7276410392081
2010-01-01	55.0064225006275
2010-02-01	55.8704103893950
2010-03-01	57.3017027620581
2010-04-01	56.6521747543866
2010-05-01	56.8770784718777
2010-06-01	56.0403825686409
2010-07-01	56.5988763184676
2010-08-01	55.8938675934444
2010-09-01	58.1151910552012
2010-10-01	57.5933567326792
2010-11-01	57.4017478999980
2010-12-01	58.2020819652287
2011-01-01	57.0680164237109
2011-02-01	56.7182485762919
2011-03-01	58.4411527097941
2011-04-01	57.9014650153327
2011-05-01	57.5228713136580
2011-06-01	57.9941649159218
2011-07-01	57.9215228327458
2011-08-01	55.9156541752992
2011-09-01	55.8220018756874
2011-10-01	56.6246443116301
2011-11-01	56.0548772028010
2011-12-01	55.2962164994590
2012-01-01	52.7454218148413
2012-02-01	51.7381672310712
2012-03-01	53.2899962815419
2012-04-01	51.5568134028533
2012-05-01	51.8797538059515
2012-06-01	50.2127942770075
2012-07-01	49.8042221162004
2012-08-01	50.3335401669656
2012-09-01	50.5751129169722
2012-10-01	48.7994838843486
2012-11-01	50.3185441480448
2012-12-01	49.5393375848361
2013-01-01	47.3953802752728
2013-02-01	47.9438561249275
2013-03-01	47.3655483888845
2013-04-01	47.5759553932873
2013-05-01	45.8669897605396
2013-06-01	47.4715092356263
2013-07-01	47.3041800890506
2013-08-01	46.8427358791603
2013-09-01	46.7089962149888
2013-10-01	45.4653606460094
2013-11-01	46.7570976069352
2013-12-01	47.7139238727898
2014-01-01	47.4317101193348
2014-02-01	46.2695896479325
2014-03-01	48.7861522625702
2014-04-01	49.8330017071509
2014-05-01	48.5550676191471
2014-06-01	47.6645461621012
2014-07-01	46.7718917027147
2014-08-01	47.2733083513312
2014-09-01	46.3301505655672
2014-10-01	47.7353219244645
2014-11-01	46.7203137736526
2014-12-01	47.0687204667599
2015-01-01	45.0341081568831
2015-02-01	46.2970440708333
2015-03-01	46.2798176555524
2015-04-01	47.3544091189659
2015-05-01	46.5561891699953
2015-06-01	46.7201551255900
2015-07-01	45.9359219481171
2015-08-01	46.3993100839084
2015-09-01	45.3579089900399
2015-10-01	46.6114603685001
2015-11-01	45.6263374828471
2015-12-01	45.5113230228647
2016-01-01	42.9558326069364
2016-02-01	44.2750875742440
2016-03-01	45.4607221795166
2016-04-01	46.1321995317164
2016-05-01	44.9989288977746
2016-06-01	43.2976998808991
2016-07-01	43.3177536332182
2016-08-01	43.2536965421334
2016-09-01	42.1446272034700
2016-10-01	43.5910387624195
2016-11-01	42.6314447016845
2016-12-01	42.4251204082580
2017-01-01	41.4642882944429
2017-02-01	41.8250918018557
2017-03-01	41.4951949826278
2017-04-01	42.9873059286232
2017-05-01	43.6988286432688
2017-06-01	42.5968155087409
2017-07-01	41.8206232110625
2017-08-01	41.4955284626583
2017-09-01	41.9466108437278
2017-10-01	43.1385982312339
2017-11-01	42.6614538635618
2017-12-01	42.1928144505348
2018-01-01	42.7876100107096
2018-02-01	42.7940428617873
2018-03-01	42.6318952159111
2018-04-01	43.6819573556206
2018-05-01	43.2422943240008
2018-06-01	42.2427534417915
2018-07-01	42.3774363420005
2018-08-01	41.1837390921576