Month	Percent
1999-06-01	77.9568219996267
1999-07-01	78.0001242930831
1999-08-01	77.5631869837918
1999-09-01	77.7150304083406
1999-10-01	77.8742403571871
1999-11-01	77.7226802206657
1999-12-01	77.3937817416078
2000-01-01	76.5018455669235
2000-02-01	76.2096649396792
2000-03-01	76.7049637755134
2000-04-01	77.1362686548710
2000-05-01	77.3620904701335
2000-06-01	77.2310881084716
2000-07-01	77.9442291937441
2000-08-01	77.2619611558503
2000-09-01	77.3659921466451
2000-10-01	77.6422265063792
2000-11-01	77.4887259563764
2000-12-01	77.0093526679006
2001-01-01	75.6301438751855
2001-02-01	75.7477486314008
2001-03-01	76.3865314501057
2001-04-01	77.4518812560493
2001-05-01	77.8002926249931
2001-06-01	77.8072723936512
2001-07-01	78.0841001576420
2001-08-01	77.3960183879416
2001-09-01	77.4143549312276
2001-10-01	77.6427325616851
2001-11-01	77.7231402944331
2001-12-01	77.3208119416074
2002-01-01	77.0434951905234
2002-02-01	77.0322274708640
2002-03-01	77.3052360379411
2002-04-01	78.2005575429241
2002-05-01	78.2266338827672
2002-06-01	78.3090644339279
2002-07-01	78.7300086088781
2002-08-01	77.9590773313621
2002-09-01	78.0415717815786
2002-10-01	78.2280365236018
2002-11-01	78.2417210129584
2002-12-01	78.0307015157286
2003-01-01	77.5051643532780
2003-02-01	77.4502347927908
2003-03-01	77.7712769165812
2003-04-01	78.1367515186578
2003-05-01	78.3813073083800
2003-06-01	78.3623900968291
2003-07-01	78.7850545961807
2003-08-01	77.8175850730658
2003-09-01	77.8794561044049
2003-10-01	78.3819166696694
2003-11-01	78.5290621585602
2003-12-01	78.4935139740559
2004-01-01	77.9665182183808
2004-02-01	77.8238441306340
2004-03-01	78.3914241226494
2004-04-01	78.5353384178829
2004-05-01	78.6238757203468
2004-06-01	78.8292140341225
2004-07-01	78.8785917866170
2004-08-01	77.8495111710991
2004-09-01	78.3708435317294
2004-10-01	78.8843670561278
2004-11-01	78.8992303561840
2004-12-01	78.7159280051067
2005-01-01	77.8936883417433
2005-02-01	77.6454458750596
2005-03-01	78.3111566628332
2005-04-01	78.7439239420511
2005-05-01	78.8496808307927
2005-06-01	78.9098722153116
2005-07-01	78.9514694773407
2005-08-01	77.9567240549358
2005-09-01	77.8157057370821
2005-10-01	78.1864227844798
2005-11-01	78.2370925120573
2005-12-01	77.6472538663761
2006-01-01	77.1087828009886
2006-02-01	77.1026546790638
2006-03-01	77.9839095250182
2006-04-01	78.3635281008837
2006-05-01	78.4392920645762
2006-06-01	78.4106209467365
2006-07-01	78.5366541187801
2006-08-01	77.8314836105962
2006-09-01	77.7179901995264
2006-10-01	77.9969784273769
2006-11-01	78.0796581896930
2006-12-01	77.5334854067965
2007-01-01	77.1277030737059
2007-02-01	76.9338088928065
2007-03-01	77.7773889102766
2007-04-01	78.2645186860327
2007-05-01	78.5125073495596
2007-06-01	78.5485877742764
2007-07-01	78.6439910087299
2007-08-01	77.9416542888971
2007-09-01	77.7278048893577
2007-10-01	78.0035770306016
2007-11-01	78.0373426468292
2007-12-01	77.3893904996274
2008-01-01	76.7684808629691
2008-02-01	76.5288951384246
2008-03-01	77.3180323715531
2008-04-01	77.8746195842898
2008-05-01	78.1297238267667
2008-06-01	78.0981035007436
2008-07-01	78.2508459023915
2008-08-01	77.6234957020057
2008-09-01	77.0929373564765
2008-10-01	77.3409332829722
2008-11-01	77.5386057892961
2008-12-01	76.7244974321769
2009-01-01	76.0210480707836
2009-02-01	75.9197000433068
2009-03-01	76.5206791863889
2009-04-01	77.2552859598984
2009-05-01	77.6087055450636
2009-06-01	78.0843952845954
2009-07-01	77.5465237119022
2009-08-01	76.9533222506539
2009-09-01	76.8931080828187
2009-10-01	76.8358347692029
2009-11-01	77.2703587489664
2009-12-01	76.6833835216338
2010-01-01	76.4863628921621
2010-02-01	76.2859545267292
2010-03-01	76.5861802512169
2010-04-01	77.4102617588526
2010-05-01	77.7732718271067
2010-06-01	77.7289356672483
2010-07-01	78.0687554101604
2010-08-01	77.0746771476698
2010-09-01	76.8902777699856
2010-10-01	77.3255162208820
2010-11-01	77.2340246872114
2010-12-01	77.0366561785696
2011-01-01	76.0898688250070
2011-02-01	76.7149645295141
2011-03-01	77.5426750456835
2011-04-01	77.7070808283233
2011-05-01	77.9317857202403
2011-06-01	78.1442863729537
2011-07-01	78.0310892330916
2011-08-01	77.5581750104008
2011-09-01	76.9427493620326
2011-10-01	77.6705544371052
2011-11-01	77.7782703625301
2011-12-01	77.3957947464740
2012-01-01	76.7155940977369
2012-02-01	77.0473226574981
2012-03-01	77.3732428609318
2012-04-01	78.0465301296678
2012-05-01	78.3960259417690
2012-06-01	78.3656075426704
2012-07-01	78.3643766689471
2012-08-01	77.8358818207895
2012-09-01	77.8649367270160
2012-10-01	77.9788172992056
2012-11-01	77.8042393671270
2012-12-01	76.9934482322329
2013-01-01	76.7061555307336
2013-02-01	76.5585911512599
2013-03-01	77.0841351705026
2013-04-01	77.8587015671121
2013-05-01	78.2325632502816
2013-06-01	78.3485684482144
2013-07-01	78.4678100756054
2013-08-01	77.9942319501711
2013-09-01	78.0266503024459
2013-10-01	78.2431818306258
2013-11-01	78.2874149287700
2013-12-01	78.0304479733239
2014-01-01	78.0518189070166
2014-02-01	78.4529632702974
2014-03-01	78.3412174880919
2014-04-01	79.2794708631191
2014-05-01	78.9849070996567
2014-06-01	79.0793657707889
2014-07-01	79.4597713035480
2014-08-01	79.1248116865812
2014-09-01	78.9237351251148
2014-10-01	78.9736287149162
2014-11-01	78.9877942127077
2014-12-01	78.5896955579808
2015-01-01	78.2661550735099
2015-02-01	78.6246542654157
2015-03-01	78.5014609184000
2015-04-01	79.2217220064252
2015-05-01	79.3733045272169
2015-06-01	79.3071723518365
2015-07-01	79.5490446411183
2015-08-01	78.9002336246431
2015-09-01	78.8034899561053
2015-10-01	78.8026677043474
2015-11-01	78.7253816020532
2015-12-01	78.4946178483276
2016-01-01	78.0014583952251
2016-02-01	78.3691849164183
2016-03-01	78.6578028631093
2016-04-01	78.8142130446275
2016-05-01	79.1285454731700
2016-06-01	79.3816266797471
2016-07-01	79.5295664875412
2016-08-01	79.3171099792492
2016-09-01	79.2011598327081
2016-10-01	79.1391138919877
2016-11-01	79.0293114319435
2016-12-01	78.5582255083179
2017-01-01	78.0584490429050
2017-02-01	78.8552779677630
2017-03-01	79.1660384673372
2017-04-01	79.8525705916561
2017-05-01	79.8176249253113
2017-06-01	79.9153628307149
2017-07-01	79.9046875420694
2017-08-01	79.4268757674328
2017-09-01	79.4510881275587
2017-10-01	79.1650060858045
2017-11-01	79.2379065046123
2017-12-01	78.9595014569565
2018-01-01	78.5769328181666
2018-02-01	78.4567874620044
2018-03-01	79.2740747932748
2018-04-01	79.4746210690976
2018-05-01	79.7642361954088
2018-06-01	79.3912776048214
2018-07-01	79.3745414526779
2018-08-01	79.1891425365727
2018-09-01	79.0486206617588