Month	Percent
1999-06-01	71.3732004429679
1999-07-01	70.4646017699115
1999-08-01	70.6077348066298
1999-09-01	71.2472406181016
1999-10-01	71.6648291069460
1999-11-01	71.2555066079295
1999-12-01	68.2068206820682
2000-01-01	65.0272022860911
2000-02-01	64.8040399604786
2000-03-01	67.6188387521246
2000-04-01	68.7968895460270
2000-05-01	70.0306312219670
2000-06-01	69.8574004261596
2000-07-01	69.6055431283758
2000-08-01	69.3380550258785
2000-09-01	70.3149649132351
2000-10-01	70.3188657721766
2000-11-01	69.7347724684059
2000-12-01	67.1451010128365
2001-01-01	63.1057983556902
2001-02-01	63.9103429651634
2001-03-01	66.8698090820839
2001-04-01	70.6338521191233
2001-05-01	71.8218971821897
2001-06-01	71.6840296423585
2001-07-01	71.7502010184937
2001-08-01	71.2933247753530
2001-09-01	72.1818958155423
2001-10-01	72.1399659139327
2001-11-01	72.0291241496599
2001-12-01	69.4420873992363
2002-01-01	67.1570702794242
2002-02-01	67.6753274186734
2002-03-01	70.8421163575042
2002-04-01	72.1234749684476
2002-05-01	72.6857682619647
2002-06-01	73.8269794721408
2002-07-01	73.6388337339325
2002-08-01	73.0869474562135
2002-09-01	74.7568776327422
2002-10-01	75.1439688715953
2002-11-01	73.9375744086133
2002-12-01	71.3813581203202
2003-01-01	67.5132656741023
2003-02-01	67.4085115131579
2003-03-01	69.7092456797087
2003-04-01	71.2590167289098
2003-05-01	71.8609636586362
2003-06-01	71.8657704450555
2003-07-01	71.4561528299970
2003-08-01	70.6383410231709
2003-09-01	71.6533441262774
2003-10-01	72.8153869453279
2003-11-01	72.6801007556675
2003-12-01	70.9244457849495
2004-01-01	68.7083019814397
2004-02-01	68.8257082791070
2004-03-01	71.3036963036963
2004-04-01	72.1912072575018
2004-05-01	72.4745088286496
2004-06-01	73.1112876005162
2004-07-01	71.3295026748564
2004-08-01	71.4638849063134
2004-09-01	73.3741241488207
2004-10-01	73.8685052942625
2004-11-01	73.3189146677153
2004-12-01	72.0158955992739
2005-01-01	69.3957496817158
2005-02-01	68.9702360588436
2005-03-01	71.2487804878049
2005-04-01	73.9325186231072
2005-05-01	73.7535231800952
2005-06-01	73.7268406246969
2005-07-01	72.4169652367580
2005-08-01	72.3532824132264
2005-09-01	73.0888030888031
2005-10-01	73.6279092179444
2005-11-01	73.3233907437698
2005-12-01	71.2954512704741
2006-01-01	68.9613816262893
2006-02-01	68.9179479810318
2006-03-01	71.9812538855148
2006-04-01	73.1522154316272
2006-05-01	74.0013347316236
2006-06-01	74.2931937172775
2006-07-01	73.1521945658370
2006-08-01	72.5794986019620
2006-09-01	73.6063170835500
2006-10-01	74.6072927968300
2006-11-01	74.2564006024096
2006-12-01	72.6850112697220
2007-01-01	70.5317404544390
2007-02-01	71.1601383565486
2007-03-01	74.6444060998927
2007-04-01	75.7211985855202
2007-05-01	76.6620241411328
2007-06-01	76.1602593793423
2007-07-01	75.6618156618157
2007-08-01	75.7025707177739
2007-09-01	75.9406440942712
2007-10-01	75.7559098405718
2007-11-01	75.4031705422815
2007-12-01	73.8223234624146
2008-01-01	71.5927675813193
2008-02-01	71.2001087301228
2008-03-01	74.2658353664046
2008-04-01	75.1959989186266
2008-05-01	75.8177570093458
2008-06-01	75.7270242416096
2008-07-01	75.0837539643543
2008-08-01	74.8653580807406
2008-09-01	75.0310448820294
2008-10-01	75.2474809969949
2008-11-01	75.1805531090365
2008-12-01	72.4428452323489
2009-01-01	70.5452796361887
2009-02-01	71.4235914418929
2009-03-01	73.3944157366798
2009-04-01	74.6419144056428
2009-05-01	74.2938462201906
2009-06-01	75.6328161932184
2009-07-01	74.8149415942835
2009-08-01	75.0351168433150
2009-09-01	75.7145881854753
2009-10-01	76.3375179037830
2009-11-01	76.5632858340319
2009-12-01	73.6521702872868
2010-01-01	70.9105994606928
2010-02-01	71.3265643057619
2010-03-01	73.4209445585216
2010-04-01	75.2339312711968
2010-05-01	76.9221386460663
2010-06-01	76.6840635999514
2010-07-01	76.2667525254558
2010-08-01	75.9185143680461
2010-09-01	75.9901285674482
2010-10-01	76.5933021930172
2010-11-01	76.4724409448819
2010-12-01	74.4038529308117
2011-01-01	71.9312602291326
2011-02-01	74.2519379844961
2011-03-01	76.1623872310895
2011-04-01	77.1360638134683
2011-05-01	78.5580774365821
2011-06-01	78.1800242865816
2011-07-01	76.6450101986855
2011-08-01	76.8848758465011
2011-09-01	76.0764474423834
2011-10-01	78.3098801836438
2011-11-01	78.0041641879834
2011-12-01	76.3692923008554
2012-01-01	73.7605135015494
2012-02-01	74.0207246270302
2012-03-01	76.1676427525622
2012-04-01	77.9252506836828
2012-05-01	79.6411318150449
2012-06-01	78.9332754378347
2012-07-01	77.4838732927313
2012-08-01	77.1673604133774
2012-09-01	78.0969735948834
2012-10-01	78.7305201736284
2012-11-01	78.1710600907030
2012-12-01	76.0098782854119
2013-01-01	73.8696645002635
2013-02-01	73.2052896725441
2013-03-01	76.3918890669640
2013-04-01	78.8356116855180
2013-05-01	79.4713199723566
2013-06-01	79.6558843771507
2013-07-01	79.7053785542994
2013-08-01	78.8626755761626
2013-09-01	79.7577443762087
2013-10-01	80.0371433395239
2013-11-01	79.8366770843835
2013-12-01	78.4942640222081
2014-01-01	76.3914780292943
2014-02-01	77.0882343196050
2014-03-01	78.6037001615935
2014-04-01	81.2440505498113
2014-05-01	81.6637260667843
2014-06-01	80.9451021204631
2014-07-01	80.5948412569986
2014-08-01	79.4623309723116
2014-09-01	80.2568783831396
2014-10-01	80.3282345442957
2014-11-01	80.7393551250753
2014-12-01	78.6669610750110
2015-01-01	77.2675914882933
2015-02-01	77.4349686163070
2015-03-01	79.0703455132985
2015-04-01	79.7984170170666
2015-05-01	80.1599753884018
2015-06-01	79.7771383089451
2015-07-01	79.7637531585837
2015-08-01	78.8102514448244
2015-09-01	79.4466165413534
2015-10-01	79.5318665550640
2015-11-01	79.4193682584019
2015-12-01	78.4705812854442
2016-01-01	76.3527231000088
2016-02-01	76.2723762723763
2016-03-01	77.6714838184409
2016-04-01	78.5621368484954
2016-05-01	79.2010346314126
2016-06-01	79.3833580980684
2016-07-01	79.9317309059878
2016-08-01	79.8440601077403
2016-09-01	80.1559938958910
2016-10-01	80.6174473958480
2016-11-01	80.9978381110144
2016-12-01	80.0319041755289
2017-01-01	77.8822282350972
2017-02-01	78.8210760461560
2017-03-01	80.2583076965716
2017-04-01	81.3294286661510
2017-05-01	81.9068076668870
2017-06-01	81.3028439661799
2017-07-01	80.8468734613491
2017-08-01	80.2942378422558
2017-09-01	80.6056823424059
2017-10-01	80.9129976485851
2017-11-01	80.9998115594799
2017-12-01	79.8568095889309
2018-01-01	78.0472819553894
2018-02-01	77.3978071109219
2018-03-01	78.9140175517671
2018-04-01	80.0121506682868
2018-05-01	80.7584010947080
2018-06-01	80.5804624823030
2018-07-01	80.0617348540337
2018-08-01	79.4711839632491
2018-09-01	79.6702867411516