Month	Percent
1999-06-01	60.9807540205642
1999-07-01	60.0368809272919
1999-08-01	60.2948920484466
1999-09-01	61.1315789473684
1999-10-01	61.7569700157812
1999-11-01	60.4889589905363
1999-12-01	55.8066211245402
2000-01-01	52.8728991596639
2000-02-01	53.0839895013123
2000-03-01	56.3965381589300
2000-04-01	58.6264744429882
2000-05-01	60.2121529596648
2000-06-01	60.0968586387434
2000-07-01	59.8979858749673
2000-08-01	59.4251371831722
2000-09-01	60.2950391644909
2000-10-01	59.9817423056860
2000-11-01	58.5669619593538
2000-12-01	54.7279354334809
2001-01-01	51.3211963589077
2001-02-01	51.6523772408418
2001-03-01	55.4854620976116
2001-04-01	59.5513485477178
2001-05-01	60.8339808339808
2001-06-01	60.7324016563147
2001-07-01	60.3644352545878
2001-08-01	60.3998968008256
2001-09-01	61.4418125643666
2001-10-01	61.7322025186327
2001-11-01	60.4978188350013
2001-12-01	56.7289959016394
2002-01-01	54.3916155419223
2002-02-01	55.2513396274560
2002-03-01	58.1839021905247
2002-04-01	60.2745995423341
2002-05-01	61.0352702359807
2002-06-01	61.8085106382979
2002-07-01	61.0417193426043
2002-08-01	60.4365379762806
2002-09-01	62.0266868076536
2002-10-01	62.2839195979900
2002-11-01	60.6568062170970
2002-12-01	57.1778834125594
2003-01-01	53.2975536694958
2003-02-01	53.1340308918784
2003-03-01	56.2332173048235
2003-04-01	58.5735549491441
2003-05-01	59.4331683168317
2003-06-01	59.2910079051383
2003-07-01	58.8387573964497
2003-08-01	58.1073098695545
2003-09-01	59.5012285012285
2003-10-01	60.1397401323854
2003-11-01	59.5962808906288
2003-12-01	56.8881289692232
2004-01-01	55.0890026822726
2004-02-01	55.6012658227848
2004-03-01	58.1628189550425
2004-04-01	59.5269286754003
2004-05-01	59.8571082586583
2004-06-01	60.2634759487551
2004-07-01	59.1769249336230
2004-08-01	59.0190407327067
2004-09-01	60.3248315688162
2004-10-01	61.0163382988948
2004-11-01	60.0839731285988
2004-12-01	57.9856287425150
2005-01-01	55.5088389870999
2005-02-01	55.0666349357449
2005-03-01	57.5604551920341
2005-04-01	59.5205479452055
2005-05-01	59.9882380616326
2005-06-01	59.7445512069370
2005-07-01	58.6105263157895
2005-08-01	58.5070093457944
2005-09-01	59.5658263305322
2005-10-01	59.7598507810678
2005-11-01	59.2687470889613
2005-12-01	56.4107932077227
2006-01-01	54.5859429366736
2006-02-01	54.4241443108233
2006-03-01	57.2475795297372
2006-04-01	58.7195402298850
2006-05-01	59.6516158606464
2006-06-01	60.0365714285714
2006-07-01	58.4801460520310
2006-08-01	58.1376795076362
2006-09-01	59.4672131147541
2006-10-01	60.8915169433705
2006-11-01	60.6565197637438
2006-12-01	58.0054458815521
2007-01-01	55.5394707079846
2007-02-01	55.7439134355275
2007-03-01	58.6067415730337
2007-04-01	60.4478280340349
2007-05-01	61.5338245144005
2007-06-01	61.3226452905812
2007-07-01	60.4472630173565
2007-08-01	60.0200177935943
2007-09-01	60.9066666666667
2007-10-01	61.1683696135051
2007-11-01	60.7171403197158
2007-12-01	58.5470275066548
2008-01-01	56.6998671978752
2008-02-01	56.5945229681979
2008-03-01	59.1782330909892
2008-04-01	61.0375906792702
2008-05-01	61.7101512826135
2008-06-01	61.9641294838145
2008-07-01	61.2609075043630
2008-08-01	60.6765281705460
2008-09-01	61.3560425254936
2008-10-01	61.5512765036781
2008-11-01	61.3721682847896
2008-12-01	58.2956746287928
2009-01-01	56.3687031082530
2009-02-01	56.6510138740662
2009-03-01	58.6588735387885
2009-04-01	60.3533643673297
2009-05-01	60.4275484414490
2009-06-01	61.4773679798826
2009-07-01	60.3023983315954
2009-08-01	60.3156801661475
2009-09-01	61.4356640463384
2009-10-01	61.8421594889759
2009-11-01	61.5613459171112
2009-12-01	57.9983660130719
2010-01-01	56.0703394998984
2010-02-01	56.3645559376897
2010-03-01	58.8479355488419
2010-04-01	60.9340549208258
2010-05-01	62.5693197686016
2010-06-01	62.7536231884058
2010-07-01	62.1166007905138
2010-08-01	61.5224232887490
2010-09-01	61.7485803798708
2010-10-01	62.4970760233918
2010-11-01	62.1847109041521
2010-12-01	59.9594438006952
2011-01-01	57.2472126105344
2011-02-01	58.9086177866218
2011-03-01	61.0752442438439
2011-04-01	62.6606513250180
2011-05-01	64.2378733279248
2011-06-01	64.4908076843627
2011-07-01	63.1989402787365
2011-08-01	63.2338733650416
2011-09-01	62.5883441258094
2011-10-01	64.4084971534904
2011-11-01	63.8546922300706
2011-12-01	61.6132273682287
2012-01-01	59.4306373083352
2012-02-01	59.9431715350925
2012-03-01	62.0452168896261
2012-04-01	63.6727729885058
2012-05-01	65.3744320011449
2012-06-01	64.8032646660489
2012-07-01	63.2000709156990
2012-08-01	63.1852401654119
2012-09-01	64.1246520804707
2012-10-01	64.6636346076176
2012-11-01	64.4751352202909
2012-12-01	62.0413504318241
2013-01-01	59.9472945092668
2013-02-01	60.1074024830349
2013-03-01	62.5632029718295
2013-04-01	65.0046247130965
2013-05-01	65.9677556939350
2013-06-01	65.9898045879354
2013-07-01	65.8066589970901
2013-08-01	65.1630718459026
2013-09-01	65.5059154740758
2013-10-01	66.2691595643544
2013-11-01	65.9345949535192
2013-12-01	63.7906250516333
2014-01-01	62.4109859386564
2014-02-01	63.0991356731273
2014-03-01	64.4392302553323
2014-04-01	66.7596587407143
2014-05-01	67.4233495325896
2014-06-01	66.9559627129540
2014-07-01	66.6954546908486
2014-08-01	66.0287005218277
2014-09-01	66.6054697391745
2014-10-01	66.7495906285426
2014-11-01	66.8426246456039
2014-12-01	64.9337696743026
2015-01-01	63.6676537620738
2015-02-01	63.9044857160486
2015-03-01	65.2761790751569
2015-04-01	66.1286381822069
2015-05-01	67.0561422168199
2015-06-01	66.8349837478267
2015-07-01	66.8691272645268
2015-08-01	66.1765804533298
2015-09-01	66.8552674567109
2015-10-01	66.9092250922509
2015-11-01	66.7512690355330
2015-12-01	65.4786729857820
2016-01-01	63.7333294634953
2016-02-01	63.7132140796307
2016-03-01	64.4099637187558
2016-04-01	65.8792501247416
2016-05-01	66.7261930070723
2016-06-01	66.9898124533247
2016-07-01	67.1150824823252
2016-08-01	66.8559122944401
2016-09-01	67.0816024979788
2016-10-01	67.4874588330114
2016-11-01	67.5795481306016
2016-12-01	66.3656199077526
2017-01-01	64.7164096916300
2017-02-01	65.3857766310762
2017-03-01	66.8755387120165
2017-04-01	67.8119373670140
2017-05-01	68.3872020450621
2017-06-01	68.2020903089374
2017-07-01	67.8312325213796
2017-08-01	67.6186758906580
2017-09-01	68.1613387685046
2017-10-01	68.5524593229848
2017-11-01	68.6931871115429
2017-12-01	67.0755154810051
2018-01-01	65.6669088987250
2018-02-01	65.0332433677836
2018-03-01	66.2429156171285
2018-04-01	67.2989685330684
2018-05-01	67.9059467205106
2018-06-01	67.7376223485734
2018-07-01	67.2577949920334
2018-08-01	66.8855595341202
2018-09-01	67.2295249029295