Month	Percent
1986-01-01	70.9255252320793
1986-02-01	70.9761117202163
1986-03-01	71.0664607307016
1986-04-01	71.5510215422231
1986-05-01	71.7329844263261
1986-06-01	71.9085953259078
1986-07-01	71.7946000248847
1986-08-01	71.8086501258276
1986-09-01	71.3367107444849
1986-10-01	70.9534159639397
1986-11-01	70.7314170088675
1986-12-01	70.9496964143299
1987-01-01	71.1716459623786
1987-02-01	70.9557140351636
1987-03-01	70.7787290650476
1987-04-01	70.3664015728546
1987-05-01	70.6691659621343
1987-06-01	70.9935099613494
1987-07-01	71.1765157710676
1987-08-01	71.5537131554435
1987-09-01	71.2846273875813
1987-10-01	71.2140217420625
1987-11-01	70.5819250880854
1987-12-01	70.6935644318579
1988-01-01	70.4518155159340
1988-02-01	70.2611445339193
1988-03-01	69.8221778310868
1988-04-01	69.9513211402472
1988-05-01	70.2371296446500
1988-06-01	70.3526629424371
1988-07-01	70.2520543090655
1988-08-01	70.0057713101759
1988-09-01	69.7797273192872
1988-10-01	69.1437802907916
1988-11-01	68.9216544840849
1988-12-01	69.1819685563466
1989-01-01	69.6760284758074
1989-02-01	69.6754190824852
1989-03-01	69.6298271769021
1989-04-01	69.5449873092292
1989-05-01	69.8213970554591
1989-06-01	69.9264296404580
1989-07-01	69.9668583640281
1989-08-01	69.9122719526104
1989-09-01	69.4190688129400
1989-10-01	69.0150920804940
1989-11-01	68.5875069857566
1989-12-01	68.4572780208488
1990-01-01	68.6863364190096
1990-02-01	68.9199490649379
1990-03-01	68.8702180754817
1990-04-01	69.1376760254371
1990-05-01	69.4294140274394
1990-06-01	69.6139009319633
1990-07-01	69.7993767665558
1990-08-01	69.8455570537169
1990-09-01	69.5047162799784
1990-10-01	68.8682045628021
1990-11-01	68.3321477868388
1990-12-01	68.6094171114517
1991-01-01	68.7578093340538
1991-02-01	68.6991578645671
1991-03-01	69.4069125151244
1991-04-01	70.1897075910351
1991-05-01	70.5901481139596
1991-06-01	70.1178944898780
1991-07-01	69.6083680888179
1991-08-01	69.1600847057644
1991-09-01	69.0785646218360
1991-10-01	68.8165729752238
1991-11-01	68.5141529045885
1991-12-01	68.2253039332291
1992-01-01	68.0851152023113
1992-02-01	68.1728538643169
1992-03-01	68.5726624294369
1992-04-01	69.1028227886230
1992-05-01	69.3854932740045
1992-06-01	69.2979045949988
1992-07-01	68.7841065696159
1992-08-01	68.4510040358303
1992-09-01	68.0142843101923
1992-10-01	67.3515911716298
1992-11-01	66.3921541407567
1992-12-01	65.9640218111400
1993-01-01	65.9915328407726
1993-02-01	65.9898951715504
1993-03-01	66.3127561995211
1993-04-01	66.7839210235171
1993-05-01	67.4843348824787
1993-06-01	66.5942737543032
1993-07-01	65.8581408343874
1993-08-01	65.2843551775747
1993-09-01	65.4482370215419
1993-10-01	65.3729508690605
1993-11-01	64.8230301474481
1993-12-01	64.6371453861651
1994-01-01	64.4779283107534
1994-02-01	65.0317296133740
1994-03-01	65.1348597566204
1994-04-01	65.6871333967817
1994-05-01	66.3909720620631
1994-06-01	66.7323147295194
1994-07-01	66.6561594245996
1994-08-01	66.7562832226325
1994-09-01	66.3009224661835
1994-10-01	65.5908331721031
1994-11-01	64.5727939813811
1994-12-01	64.4285629909633
1995-01-01	64.7816102801240
1995-02-01	65.3128779430474
1995-03-01	65.8030691890980
1995-04-01	66.3926209318991
1995-05-01	66.7705561345297
1995-06-01	66.9011705669293
1995-07-01	66.9944313156602
1995-08-01	66.5962504843141
1995-09-01	66.6082770661073
1995-10-01	65.8285867374870
1995-11-01	65.4888048851410
1995-12-01	64.8641010303970
1996-01-01	65.2644377134706
1996-02-01	65.4684076937182
1996-03-01	66.2955110537170
1996-04-01	66.4715720672778
1996-05-01	66.4895324232541
1996-06-01	66.8517999639201
1996-07-01	67.0652221824029
1996-08-01	66.9113101856548
1996-09-01	66.8059863508754
1996-10-01	66.0882775046566
1996-11-01	65.4909740962661
1996-12-01	65.3667328338126
1997-01-01	65.7379990345252
1997-02-01	66.1781424311957
1997-03-01	66.0529662502677
1997-04-01	66.1046622768749
1997-05-01	66.2020840066758
1997-06-01	65.7140484293218
1997-07-01	64.9423868235188
1997-08-01	64.3529429481436
1997-09-01	64.7817848226908
1997-10-01	65.0012484535134
1997-11-01	64.9160534333255
1997-12-01	65.0027055517172
1998-01-01	65.6260926961618
1998-02-01	65.4985607132590
1998-03-01	65.5136039778520
1998-04-01	65.2482850109867
1998-05-01	65.4534376782089
1998-06-01	65.5293336597162
1998-07-01	65.2593537493682
1998-08-01	64.9399282836124
1998-09-01	64.5448204340878
1998-10-01	63.9819392965831
1998-11-01	63.6841969750471
1998-12-01	63.8381546189606
1999-01-01	64.4830038714219
1999-02-01	64.7224072677760
1999-03-01	64.5543139862900
1999-04-01	64.8026789769256
1999-05-01	65.2276203656494
1999-06-01	65.2870219709296
1999-07-01	64.7423563664878
1999-08-01	64.3766138457775
1999-09-01	63.8962251181233
1999-10-01	63.5042322911080
1999-11-01	63.0213855530311
1999-12-01	63.2757201942485
2000-01-01	63.5064538165606
2000-02-01	64.0579590473951
2000-03-01	64.4616071220532
2000-04-01	64.4033949076385
2000-05-01	64.8405758778779
2000-06-01	64.8053780337500
2000-07-01	64.7254913483164
2000-08-01	64.6187619428521
2000-09-01	64.6087036767550
2000-10-01	64.5733738825784
2000-11-01	64.2093129333725
2000-12-01	64.5335785334585
2001-01-01	64.9861237147917
2001-02-01	65.4373526617642
2001-03-01	65.2441273487970
2001-04-01	65.5344248957592
2001-05-01	65.6116621791483
2001-06-01	65.5553419774229
2001-07-01	65.1684452230233
2001-08-01	65.0042667316835
2001-09-01	64.5874149701255
2001-10-01	64.2755018826020
2001-11-01	64.1418322773738
2001-12-01	64.3006573464780
2002-01-01	64.7763410044369
2002-02-01	64.7870235690700
2002-03-01	64.9353174589518
2002-04-01	65.5168206858867
2002-05-01	65.6799150438591
2002-06-01	65.6146682806478
2002-07-01	65.6402983416918
2002-08-01	65.4418536432289
2002-09-01	64.7480936819172
2002-10-01	64.2752273623251
2002-11-01	64.0625503679084
2002-12-01	63.9880927183044
2003-01-01	63.7753429472340
2003-02-01	63.2889164516602
2003-03-01	63.0309951828628
2003-04-01	62.9227978230196
2003-05-01	63.5536274690788
2003-06-01	64.0161557927902
2003-07-01	64.0508878947175
2003-08-01	64.2474829761457
2003-09-01	63.8273308318972
2003-10-01	63.3417633847184
2003-11-01	62.6981911938652
2003-12-01	62.6121016742286
2004-01-01	62.7347393550886
2004-02-01	62.4146482093678
2004-03-01	62.1621265196786
2004-04-01	62.0416281434151
2004-05-01	62.4569852645273
2004-06-01	62.9489376706656
2004-07-01	62.5969645868466
2004-08-01	62.3334548384935
2004-09-01	61.4833308329039
2004-10-01	60.9421542488256
2004-11-01	60.2270234967857
2004-12-01	60.5106693711968
2005-01-01	60.6733746004643
2005-02-01	60.5412075604742
2005-03-01	60.3194236100907
2005-04-01	60.5001523478496
2005-05-01	60.6004821107310
2005-06-01	60.9116641511436
2005-07-01	60.9702345410302
2005-08-01	61.1618746654787
2005-09-01	61.1936835300029
2005-10-01	61.0605876561521
2005-11-01	60.6714609165453
2005-12-01	60.5512480998862
2006-01-01	60.7018365205317
2006-02-01	60.8891279816521
2006-03-01	60.5677055696597
2006-04-01	60.9005359502212
2006-05-01	61.3097849065627
2006-06-01	61.8205216270891
2006-07-01	61.9049242488811
2006-08-01	62.3046176833093
2006-09-01	62.1665031388218
2006-10-01	61.9857337858748
2006-11-01	61.5254154557398
2006-12-01	61.5334221455999
2007-01-01	61.2109384903984
2007-02-01	60.8754512917494
2007-03-01	60.6488354467679
2007-04-01	60.9572195913848
2007-05-01	61.5998190856260
2007-06-01	61.7779104050780
2007-07-01	61.6000992086280
2007-08-01	61.3422535855244
2007-09-01	61.1818677100617
2007-10-01	60.6384050800622
2007-11-01	59.7381972599433
2007-12-01	59.0459576152424
2008-01-01	59.3351901606112
2008-02-01	59.2579686281334
2008-03-01	59.1381147351621
2008-04-01	59.1495417043380
2008-05-01	59.1765495246110
2008-06-01	59.0586261594004
2008-07-01	59.1758841012307
2008-08-01	59.6720368739360
2008-09-01	59.6274085325888
2008-10-01	59.1170847223120
2008-11-01	58.4123153486498
2008-12-01	58.7641643569578
2009-01-01	58.8605474032710
2009-02-01	58.8862035342238
2009-03-01	58.4545965396172
2009-04-01	58.7328360135756
2009-05-01	58.8616437130646
2009-06-01	58.9813078840796
2009-07-01	58.8243246206770
2009-08-01	59.0752698011021
2009-09-01	58.9166261947213
2009-10-01	58.5328230036147
2009-11-01	58.0322191469732
2009-12-01	57.8911002222971
2010-01-01	58.1287746625192
2010-02-01	55.6550776872836
2010-03-01	55.5802914609607
2010-04-01	55.5486789495712
2010-05-01	55.3440783076814
2010-06-01	54.8266337460255
2010-07-01	54.5061268421924
2010-08-01	54.2709479264340
2010-09-01	54.2140813497331
2010-10-01	53.8473775379140
2010-11-01	53.4025059249811
2010-12-01	53.1518559386658
2011-01-01	53.6105106678348
2011-02-01	53.3998938861416
2011-03-01	53.2359778198064
2011-04-01	52.6209907336201
2011-05-01	52.5208010256680
2011-06-01	52.6372131078206
2011-07-01	52.7643446443554
2011-08-01	52.5217052278758
2011-09-01	52.3064159452760
2011-10-01	52.2871463564704
2011-11-01	52.1739949621290
2011-12-01	52.3275321746456
2012-01-01	52.3397494282187
2012-02-01	52.2821127411343
2012-03-01	52.2123835359780
2012-04-01	52.2928433320956
2012-05-01	52.6871366596576
2012-06-01	52.7979023417514
2012-07-01	52.8302239757964
2012-08-01	52.3028445104068
2012-09-01	52.2078985061151
2012-10-01	52.1548281201575
2012-11-01	52.3342521033502
2012-12-01	52.3363713181366
2013-01-01	52.3973955548125
2013-02-01	52.3889685257369
2013-03-01	52.1537702546403
2013-04-01	51.9996417164976
2013-05-01	52.2513201439619
2013-06-01	52.8140260145715
2013-07-01	52.7796590070195
2013-08-01	52.7984159332410
2013-09-01	52.3859264235359
2013-10-01	52.1574033940460
2013-11-01	51.6975136255396
2013-12-01	51.5193711544368
2014-01-01	51.2935223364299
2014-02-01	51.5179204417530
2014-03-01	51.5177844855930
2014-04-01	51.6979250319146
2014-05-01	52.0063820849798
2014-06-01	52.0759947654998
2014-07-01	52.1552191709221
2014-08-01	51.5142946809394
2014-09-01	51.3936523221921
2014-10-01	51.3094821047704
2014-11-01	51.3097875738204
2014-12-01	51.6747050574229
2015-01-01	51.9050542649664
2015-02-01	52.2999152314994
2015-03-01	52.0623887127728
2015-04-01	51.8040186131730
2015-05-01	51.8076858839302
2015-06-01	51.9254783213637
2015-07-01	51.9020515507478
2015-08-01	51.6810146313449
2015-09-01	51.8192808716456
2015-10-01	51.6949576662895
2015-11-01	51.2890798228506
2015-12-01	51.5892920136811
2016-01-01	52.1354281500812
2016-02-01	52.3765170744380
2016-03-01	52.2071122236656
2016-04-01	51.8404756394202
2016-05-01	51.9737868401348
2016-06-01	51.7104060932888
2016-07-01	51.9987368360050
2016-08-01	51.9468859162504
2016-09-01	51.8695467523174
2016-10-01	51.5927802900966
2016-11-01	51.5773900623001
2016-12-01	51.7174093148186
2017-01-01	52.1039036030021
2017-02-01	52.2902486884973
2017-03-01	51.9367210907048
2017-04-01	51.6318208032542
2017-05-01	51.7353042692061
2017-06-01	51.5795692136841
2017-07-01	51.3657741389034
2017-08-01	51.1821053773756
2017-09-01	51.1143720959181
2017-10-01	50.8687470367065
2017-11-01	50.6621136216977
2017-12-01	50.5907982126841
2018-01-01	50.7809954095884
2018-02-01	50.7271632007052
2018-03-01	50.8639627323447
2018-04-01	50.7097630923248
2018-05-01	50.9135044312403
2018-06-01	51.1907526810167
2018-07-01	51.2951944209196
2018-08-01	51.4500228069308