Month	Percent
1986-01-01	24.0147972359880
1986-02-01	24.0227733075651
1986-03-01	24.2260008070464
1986-04-01	24.0738511123048
1986-05-01	24.0593265200918
1986-06-01	23.9559917097872
1986-07-01	24.0521933078649
1986-08-01	23.9941847893596
1986-09-01	24.4677821615738
1986-10-01	24.9324785972056
1986-11-01	25.3695539715893
1986-12-01	25.1421950946406
1987-01-01	24.7445330413059
1987-02-01	24.8275186603285
1987-03-01	24.9736785255426
1987-04-01	25.2072204198668
1987-05-01	24.7371319904531
1987-06-01	24.4102844936050
1987-07-01	24.4759921020409
1987-08-01	24.2995333605483
1987-09-01	24.5723575331948
1987-10-01	25.0298975839156
1987-11-01	25.6188424336273
1987-12-01	25.5986575015907
1988-01-01	25.3885917644717
1988-02-01	25.5173091438550
1988-03-01	25.8497607783510
1988-04-01	25.8204958699760
1988-05-01	25.4469374920835
1988-06-01	25.3499784799287
1988-07-01	25.3908170723604
1988-08-01	25.7135086249024
1988-09-01	26.2331561379651
1988-10-01	27.1301906212326
1988-11-01	27.5712141948714
1988-12-01	27.4320284165922
1989-01-01	27.0101279481365
1989-02-01	26.9565940899298
1989-03-01	26.8874791785984
1989-04-01	26.9528837403182
1989-05-01	26.7470819324939
1989-06-01	26.7992325362848
1989-07-01	26.7684950309264
1989-08-01	27.0159454290782
1989-09-01	27.4671608059782
1989-10-01	27.9217537330368
1989-11-01	28.4157922333491
1989-12-01	28.5487474122090
1990-01-01	28.4182611239203
1990-02-01	28.0658204689376
1990-03-01	28.0466679815798
1990-04-01	27.6948828209448
1990-05-01	27.4751036457666
1990-06-01	27.3764209879493
1990-07-01	27.2746636222089
1990-08-01	27.2750666729051
1990-09-01	27.6315398303753
1990-10-01	28.1381986260707
1990-11-01	28.7418811235594
1990-12-01	28.4033187126777
1991-01-01	28.2212447656356
1991-02-01	28.0317718563228
1991-03-01	27.4295333789258
1991-04-01	26.8027894096562
1991-05-01	26.4800906306382
1991-06-01	26.7124865933771
1991-07-01	26.9900565151369
1991-08-01	27.3144764156263
1991-09-01	27.5398432335836
1991-10-01	27.9706433479076
1991-11-01	28.5228425551730
1991-12-01	28.8863703823633
1992-01-01	29.0982986493236
1992-02-01	28.9376258461309
1992-03-01	28.6564703159739
1992-04-01	28.3033971668957
1992-05-01	28.0283460025132
1992-06-01	28.1348283174846
1992-07-01	28.3511983125656
1992-08-01	28.5561653049841
1992-09-01	28.8978802869967
1992-10-01	29.6977131699737
1992-11-01	30.6176735982100
1992-12-01	30.9463384803547
1993-01-01	30.8866092690969
1993-02-01	30.8254173424220
1993-03-01	30.6808312025650
1993-04-01	30.2868814258562
1993-05-01	29.7051498125446
1993-06-01	30.4541156885879
1993-07-01	30.9727122531606
1993-08-01	31.4749646985833
1993-09-01	31.4662992537764
1993-10-01	31.7396875640196
1993-11-01	32.0814013188506
1993-12-01	31.8134119428212
1994-01-01	31.7986302054692
1994-02-01	31.3030906919811
1994-03-01	31.3292962807141
1994-04-01	30.7221958960350
1994-05-01	30.1299078278711
1994-06-01	29.9180458054064
1994-07-01	30.0241468317691
1994-08-01	29.9436761925502
1994-09-01	30.1112257768604
1994-10-01	30.6620442942261
1994-11-01	31.7657217887096
1994-12-01	32.0437855610025
1995-01-01	31.8401123012315
1995-02-01	31.2520615075314
1995-03-01	30.8934449853638
1995-04-01	30.3023835909324
1995-05-01	29.9575122057090
1995-06-01	29.8495543254352
1995-07-01	29.8390619028678
1995-08-01	30.2354107080623
1995-09-01	30.2987590427735
1995-10-01	31.1050541053686
1995-11-01	31.4531356014345
1995-12-01	31.7771880208364
1996-01-01	31.4862673313450
1996-02-01	31.4680023548259
1996-03-01	30.9793188520325
1996-04-01	30.8243051559249
1996-05-01	30.7792689512820
1996-06-01	30.3708167487420
1996-07-01	30.2065346750964
1996-08-01	30.4964891900737
1996-09-01	30.7732146918245
1996-10-01	31.5450471770130
1996-11-01	32.2018554940615
1996-12-01	32.2552465852233
1997-01-01	31.8409019206866
1997-02-01	31.1932403732826
1997-03-01	31.2755984905775
1997-04-01	31.0841170670033
1997-05-01	31.0720367734753
1997-06-01	31.5011428776356
1997-07-01	32.2386861217558
1997-08-01	32.6980852201282
1997-09-01	32.4356332902217
1997-10-01	32.4676763182449
1997-11-01	32.7818139207874
1997-12-01	32.6390644220885
1998-01-01	32.0130291454204
1998-02-01	32.0916140546070
1998-03-01	32.1059095627606
1998-04-01	32.3022622784283
1998-05-01	31.8997367849122
1998-06-01	31.7121748225293
1998-07-01	31.8422752998810
1998-08-01	32.2086059665077
1998-09-01	32.6685956177872
1998-10-01	33.2063459313679
1998-11-01	33.5284619232580
1998-12-01	33.2433702732674
1999-01-01	32.6994002229000
1999-02-01	32.1568706397370
1999-03-01	32.0649473084175
1999-04-01	31.3960847686081
1999-05-01	30.6770340155874
1999-06-01	30.5269568853457
1999-07-01	30.9969214907536
1999-08-01	31.2382557328332
1999-09-01	31.6635673610558
1999-10-01	32.2291631675994
1999-11-01	33.0998232896967
1999-12-01	33.0960745159542
2000-01-01	32.9665983532880
2000-02-01	32.2736468353908
2000-03-01	31.9069272255072
2000-04-01	31.9051888117644
2000-05-01	31.6053900111131
2000-06-01	31.3574755061527
2000-07-01	31.2988476886997
2000-08-01	31.2486335155313
2000-09-01	31.5408013686232
2000-10-01	31.7137842045694
2000-11-01	32.4347355654483
2000-12-01	31.9994987751760
2001-01-01	31.5855968564708
2001-02-01	30.9702332782098
2001-03-01	31.1362047585424
2001-04-01	30.7583191014073
2001-05-01	30.8183973081892
2001-06-01	30.8693600810820
2001-07-01	31.2244819620187
2001-08-01	31.2126225596907
2001-09-01	31.6338078607327
2001-10-01	32.2615515416515
2001-11-01	32.6852663338864
2001-12-01	32.4184886909434
2002-01-01	31.6953541770972
2002-02-01	31.4851133645382
2002-03-01	31.4519931308139
2002-04-01	30.8889583855991
2002-05-01	30.7221443533846
2002-06-01	30.9091656208320
2002-07-01	30.8817825318035
2002-08-01	30.9560192922974
2002-09-01	31.5676062091503
2002-10-01	32.1328557251805
2002-11-01	32.6643626794794
2002-12-01	32.7775360122459
2003-01-01	32.7946777698544
2003-02-01	32.8608527569419
2003-03-01	32.7126335477273
2003-04-01	32.9096956258819
2003-05-01	32.4500310470405
2003-06-01	32.1723172836816
2003-07-01	31.9514945474866
2003-08-01	31.8272131010569
2003-09-01	32.4275220265971
2003-10-01	33.1793836128459
2003-11-01	33.9828954188430
2003-12-01	34.0712807450450
2004-01-01	33.8465053367350
2004-02-01	33.6682146875294
2004-03-01	33.4491654646610
2004-04-01	33.3609165298474
2004-05-01	33.0533850851589
2004-06-01	32.7551681440602
2004-07-01	32.8353443900522
2004-08-01	33.0741404872084
2004-09-01	33.8999523831267
2004-10-01	34.6976844120204
2004-11-01	35.6859362079245
2004-12-01	35.5409330628803
2005-01-01	35.3187132560803
2005-02-01	35.1280322033377
2005-03-01	35.1286849894155
2005-04-01	35.0042157632466
2005-05-01	34.9340396566651
2005-06-01	34.7916937909174
2005-07-01	34.7639822537255
2005-08-01	34.5975968950012
2005-09-01	34.6629733111860
2005-10-01	35.0036440818832
2005-11-01	35.7274266302657
2005-12-01	35.9343779577243
2006-01-01	35.6410464647816
2006-02-01	34.9749562709593
2006-03-01	35.0099929144041
2006-04-01	34.7436590855379
2006-05-01	34.4467792992163
2006-06-01	34.2276583776115
2006-07-01	34.2524513285566
2006-08-01	34.1188921847073
2006-09-01	34.5087821850027
2006-10-01	35.0904703041295
2006-11-01	35.7966581479988
2006-12-01	35.7340177102108
2007-01-01	35.8229175046334
2007-02-01	35.7868965193880
2007-03-01	35.8657298965674
2007-04-01	35.7560883313010
2007-05-01	35.3270489556724
2007-06-01	35.2005962011604
2007-07-01	35.0217166320968
2007-08-01	35.1559713793507
2007-09-01	35.2570980163938
2007-10-01	35.8830401113350
2007-11-01	36.7016676465336
2007-12-01	37.3658945307226
2008-01-01	36.9218431691562
2008-02-01	36.8342439883091
2008-03-01	36.8375906607580
2008-04-01	36.8285946325280
2008-05-01	36.6397451242943
2008-06-01	36.7931998962899
2008-07-01	36.7440232979780
2008-08-01	36.4816785184442
2008-09-01	36.6656775513504
2008-10-01	37.2014003185306
2008-11-01	37.9739091736053
2008-12-01	37.4336598389049
2009-01-01	37.0940512357542
2009-02-01	36.6443292608423
2009-03-01	36.8620363822088
2009-04-01	36.5974466816997
2009-05-01	36.4695842808014
2009-06-01	36.3073162844390
2009-07-01	36.3577837866905
2009-08-01	36.3678610242129
2009-09-01	36.8688136721572
2009-10-01	37.4495123353120
2009-11-01	38.0193255119916
2009-12-01	37.9268670966390
2010-01-01	37.7589776844545
2010-02-01	39.5338316549824
2010-03-01	39.7273832417378
2010-04-01	39.6942928128089
2010-05-01	40.1506213389618
2010-06-01	40.8275159718398
2010-07-01	41.1549629787335
2010-08-01	41.5729125905362
2010-09-01	41.7432085656137
2010-10-01	42.2997949636473
2010-11-01	42.6091101274147
2010-12-01	42.6596277690681
2011-01-01	42.2726252162696
2011-02-01	42.4565358222212
2011-03-01	42.7014105619412
2011-04-01	43.1002166736357
2011-05-01	43.2842402843367
2011-06-01	43.1533091136076
2011-07-01	43.1963445045213
2011-08-01	43.3238966994088
2011-09-01	43.5435173642289
2011-10-01	43.5339973763336
2011-11-01	43.9149881010009
2011-12-01	43.8406054087856
2012-01-01	43.7861610124650
2012-02-01	43.6092179738940
2012-03-01	43.7691678937929
2012-04-01	43.6402040177876
2012-05-01	43.6645140997466
2012-06-01	43.5054731239602
2012-07-01	43.5379148121118
2012-08-01	43.8722148821943
2012-09-01	44.0146498221082
2012-10-01	44.2455242852683
2012-11-01	44.2048784990341
2012-12-01	44.1907836223822
2013-01-01	44.0545871517170
2013-02-01	44.0484881159890
2013-03-01	44.1274980687543
2013-04-01	44.3511258909736
2013-05-01	44.3628331533975
2013-06-01	44.2132797468654
2013-07-01	44.1707077964049
2013-08-01	44.1576852300953
2013-09-01	44.3784478438046
2013-10-01	44.7363099359889
2013-11-01	45.1588472142419
2013-12-01	45.0602956920423
2014-01-01	45.3406882648164
2014-02-01	45.0310981151698
2014-03-01	45.3504859707172
2014-04-01	45.0350088002781
2014-05-01	44.7400079574057
2014-06-01	44.7287834093829
2014-07-01	44.4972206589500
2014-08-01	45.0514329060063
2014-09-01	45.2570152391472
2014-10-01	45.5128386302570
2014-11-01	45.4808611487393
2014-12-01	44.9555185767077
2015-01-01	44.7823467377621
2015-02-01	44.2406915564642
2015-03-01	44.4765083137355
2015-04-01	44.4476765868309
2015-05-01	44.6376484595169
2015-06-01	44.5805913152604
2015-07-01	44.7780249885457
2015-08-01	44.9705011621944
2015-09-01	45.0332038369986
2015-10-01	45.3343294570369
2015-11-01	45.8857299969919
2015-12-01	45.3015340658605
2016-01-01	44.6231964226250
2016-02-01	44.1861785119844
2016-03-01	44.4117506657616
2016-04-01	44.6242870051102
2016-05-01	44.5346384307853
2016-06-01	44.6511252431393
2016-07-01	44.4898563854305
2016-08-01	44.5920463348315
2016-09-01	44.7775217021734
2016-10-01	45.1605957599622
2016-11-01	45.3300811357586
2016-12-01	45.1408771676991
2017-01-01	44.6587966289191
2017-02-01	44.1127355521227
2017-03-01	44.4826862651470
2017-04-01	44.5104195338938
2017-05-01	44.6133277787195
2017-06-01	44.8590116022256
2017-07-01	45.3195458624323
2017-08-01	45.4502327670907
2017-09-01	45.3178080816049
2017-10-01	45.7575527580056
2017-11-01	45.9608205031976
2017-12-01	45.9788279437340
2018-01-01	45.5976454774663
2018-02-01	45.3750298035635
2018-03-01	45.3412261840632
2018-04-01	45.3169164343414
2018-05-01	45.1883291246154
2018-06-01	44.8485056634399
2018-07-01	44.8814380398952
2018-08-01	44.9435949213272