Month	Percent
1978-01-01	78.9743589743590
1978-02-01	79.2134831460674
1978-03-01	79.9560546875000
1978-04-01	80.8001951695536
1978-05-01	81.3336578242882
1978-06-01	81.1678832116788
1978-07-01	80.9593377160945
1978-08-01	80.4474708171206
1978-09-01	80.3449951409135
1978-10-01	80.2328401649284
1978-11-01	80.3636363636364
1978-12-01	79.9515151515152
1979-01-01	78.9639312515130
1979-02-01	79.0990554613708
1979-03-01	79.6712593666908
1979-04-01	80.6474993959894
1979-05-01	81.2153363877502
1979-06-01	81.6493850976610
1979-07-01	81.4547206165703
1979-08-01	80.8126953594614
1979-09-01	80.2113352545629
1979-10-01	80.3789877668506
1979-11-01	80.4462571976967
1979-12-01	80.0623052959502
1980-01-01	78.9901890404403
1980-02-01	78.8291517323776
1980-03-01	79.7419971333015
1980-04-01	80.6644359464627
1980-05-01	80.7105388650453
1980-06-01	81.1383662776852
1980-07-01	80.9523809523810
1980-08-01	80.4042806183115
1980-09-01	80.4038004750594
1980-10-01	80.4219009243896
1980-11-01	80.1658767772512
1980-12-01	79.8152096659559
1981-01-01	79.1774994091231
1981-02-01	79.1587901701323
1981-03-01	80.1277501774308
1981-04-01	80.5818353831599
1981-05-01	80.5194805194805
1981-06-01	80.8951707891637
1981-07-01	80.5843543826579
1981-08-01	80.3626089004003
1981-09-01	80.0612052730697
1981-10-01	79.8823529411765
1981-11-01	79.7414806110458
1981-12-01	79.1715697811250
1982-01-01	78.3364661654135
1982-02-01	78.6603995299647
1982-03-01	79.5534665099882
1982-04-01	80.5868544600939
1982-05-01	80.6134394755327
1982-06-01	80.2056555269923
1982-07-01	80.0373569927621
1982-08-01	79.8973880597015
1982-09-01	79.7621823268827
1982-10-01	79.7435897435898
1982-11-01	79.7253258845438
1982-12-01	79.4740516639516
1983-01-01	78.7773128777313
1983-02-01	78.6245353159851
1983-03-01	78.9412584165312
1983-04-01	79.7679814385151
1983-05-01	80.3104007412555
1983-06-01	80.6526267067808
1983-07-01	80.3422756706753
1983-08-01	79.7275456014777
1983-09-01	79.5339178587910
1983-10-01	79.4422678036414
1983-11-01	79.3460741422980
1983-12-01	78.9231477220433
1984-01-01	78.0459770114942
1984-02-01	78.0330882352941
1984-03-01	78.4304726938963
1984-04-01	79.3396010089429
1984-05-01	79.6656743760018
1984-06-01	79.6889295516926
1984-07-01	79.3552812071331
1984-08-01	79.2237442922374
1984-09-01	79.2474344355758
1984-10-01	79.0109389243391
1984-11-01	79.0480528353450
1984-12-01	78.5112679262463
1985-01-01	77.8913883208362
1985-02-01	77.5102226260791
1985-03-01	77.9391738538357
1985-04-01	79.0523690773067
1985-05-01	79.2213671344500
1985-06-01	78.9914066033469
1985-07-01	79.0555806597379
1985-08-01	78.6052809749492
1985-09-01	78.6245772266065
1985-10-01	78.5312007208831
1985-11-01	78.2403240324032
1985-12-01	77.7602878344952
1986-01-01	77.3135669362084
1986-02-01	76.9696969696970
1986-03-01	77.5061673020857
1986-04-01	78.5746302106679
1986-05-01	78.5778175313059
1986-06-01	78.3337056064329
1986-07-01	78.5267857142857
1986-08-01	78.6446723138654
1986-09-01	78.3344466711200
1986-10-01	78.1361209964413
1986-11-01	77.8271495223284
1986-12-01	77.3211905819636
1987-01-01	76.5815760266371
1987-02-01	76.4261931187569
1987-03-01	77.0662530467538
1987-04-01	77.9623477297896
1987-05-01	77.9473567794736
1987-06-01	78.1312127236580
1987-07-01	78.3491502979474
1987-08-01	78.2896186907648
1987-09-01	77.9123541070249
1987-10-01	77.8755223224104
1987-11-01	77.6630792883813
1987-12-01	77.2438007461049
1988-01-01	76.5221200175208
1988-02-01	76.4241893076249
1988-03-01	77.0208105147864
1988-04-01	78.1352593565332
1988-05-01	78.4622105723023
1988-06-01	78.6634636383490
1988-07-01	78.4343654600960
1988-08-01	78.2495101241019
1988-09-01	77.8212654924984
1988-10-01	77.8526407302760
1988-11-01	77.9947916666666
1988-12-01	77.5585429314831
1989-01-01	76.4782326185835
1989-02-01	76.6630552546046
1989-03-01	77.2658446895955
1989-04-01	78.1527146874324
1989-05-01	78.3556322831247
1989-06-01	78.6761535144459
1989-07-01	78.8192199956906
1989-08-01	78.3085861846353
1989-09-01	78.0309544282029
1989-10-01	78.0807213396307
1989-11-01	78.1256701694188
1989-12-01	78.0398884838087
1990-01-01	76.9280205655527
1990-02-01	76.9922879177378
1990-03-01	77.5401069518716
1990-04-01	78.3483097988874
1990-05-01	79.1248665955176
1990-06-01	78.9204181779390
1990-07-01	78.9507357645554
1990-08-01	78.4025559105431
1990-09-01	78.7279302276111
1990-10-01	79.0010626992561
1990-11-01	78.5896346644010
1990-12-01	78.3439490445860
1991-01-01	77.5021204410517
1991-02-01	77.5042444821732
1991-03-01	78.3989834815756
1991-04-01	78.8994708994709
1991-05-01	79.3322062552832
1991-06-01	79.5819256756757
1991-07-01	79.3918918918919
1991-08-01	79.0805567271194
1991-09-01	79.3176074136478
1991-10-01	79.2254262260577
1991-11-01	79.0281867900715
1991-12-01	78.7126630206142
1992-01-01	78.2151126078720
1992-02-01	78.5473684210526
1992-03-01	78.8510101010101
1992-04-01	79.4650379106992
1992-05-01	79.5669539625814
1992-06-01	79.3284365162644
1992-07-01	79.6475031472933
1992-08-01	79.4339622641510
1992-09-01	79.2041884816754
1992-10-01	79.4474675596484
1992-11-01	79.5107673008572
1992-12-01	79.1631799163180
1993-01-01	78.1654826577518
1993-02-01	78.3535311324697
1993-03-01	78.6892089334168
1993-04-01	79.2779632721202
1993-05-01	79.5454545454546
1993-06-01	79.5790789747864
1993-07-01	79.6377264209869
1993-08-01	79.2386103598918
1993-09-01	79.1476091476091
1993-10-01	79.3555093555094
1993-11-01	79.1320598006644
1993-12-01	78.7878787878788
1994-01-01	77.8746367787464
1994-02-01	77.7754720896452
1994-03-01	77.9966818747408
1994-04-01	78.7463677874637
1994-05-01	79.2460646230323
1994-06-01	79.0432801822324
1994-07-01	79.0846966245600
1994-08-01	79.0028961522549
1994-09-01	78.7146104567059
1994-10-01	78.4710743801653
1994-11-01	78.5123966942149
1994-12-01	78.2940933498554
1995-01-01	77.3168214654283
1995-02-01	77.2248606235804
1995-03-01	77.7273664673128
1995-04-01	78.2572785463556
1995-05-01	78.4742268041237
1995-06-01	78.8009888751545
1995-07-01	79.0601813685078
1995-08-01	78.7391841779975
1995-09-01	78.8801976121861
1995-10-01	78.6713286713287
1995-11-01	78.0883864337102
1995-12-01	77.8234931084139
1996-01-01	77.1111567700842
1996-02-01	77.0512029611351
1996-03-01	77.5606746194981
1996-04-01	78.3422459893048
1996-05-01	78.3162217659138
1996-06-01	78.7810383747178
1996-07-01	79.0435139573071
1996-08-01	78.8146021328958
1996-09-01	78.6519155910674
1996-10-01	78.5129045473167
1996-11-01	78.3783783783784
1996-12-01	78.3080704629250
1997-01-01	77.7596408896144
1997-02-01	77.5735294117647
1997-03-01	78.1881248724750
1997-04-01	78.7420869920359
1997-05-01	79.0621814475025
1997-06-01	79.1038696537678
1997-07-01	78.8755347321246
1997-08-01	78.4201954397394
1997-09-01	78.1167378482815
1997-10-01	78.1777506609721
1997-11-01	77.8816832689571
1997-12-01	77.9654120040692
1998-01-01	77.1544715447154
1998-02-01	76.7995119967466
1998-03-01	77.1057438603613
1998-04-01	77.4029668766511
1998-05-01	77.7574649603900
1998-06-01	77.9784858940532
1998-07-01	77.8770042622285
1998-08-01	77.3382024751471
1998-09-01	77.1695052716950
1998-10-01	77.3317112733171
1998-11-01	76.9807497467072
1998-12-01	76.9464720194647
1999-01-01	76.4074524098826
1999-02-01	75.9529602595296
1999-03-01	75.9837728194726
1999-04-01	76.2928412086798
1999-05-01	76.7828200972447
1999-06-01	76.8139440616133
1999-07-01	76.6659914928094
1999-08-01	76.7969224539380
1999-09-01	76.9728854714690
1999-10-01	76.9884638737098
1999-11-01	76.6693646297046
1999-12-01	76.4467826790773
2000-01-01	75.7741347905282
2000-02-01	75.2681643392026
2000-03-01	75.5011135857461
2000-04-01	76.0486322188450
2000-05-01	76.6599190283401
2000-06-01	76.4158576051780
2000-07-01	76.2907471148006
2000-08-01	76.4777327935223
2000-09-01	76.5122395306494
2000-10-01	76.6585760517799
2000-11-01	76.6073594824100
2000-12-01	76.2790697674419
2001-01-01	75.2831715210356
2001-02-01	75.2583586626140
2001-03-01	75.5821016400081
2001-04-01	75.8103727714749
2001-05-01	75.9765229710585
2001-06-01	75.7643247620976
2001-07-01	75.7894736842105
2001-08-01	76.0526315789474
2001-09-01	75.3136382031566
2001-10-01	75.1011326860841
2001-11-01	75.0960177885587
2001-12-01	74.8230535894843
2002-01-01	74.2666396924944
2002-02-01	74.1942023109670
2002-03-01	74.5590918305291
2002-04-01	74.7007506593630
2002-05-01	74.7061207944872
2002-06-01	74.8379254457050
2002-07-01	75.1064261098723
2002-08-01	75.1875126697750
2002-09-01	74.6356275303644
2002-10-01	74.6912330431261
2002-11-01	74.4525547445256
2002-12-01	74.3454434747311
2003-01-01	73.7771463365131
2003-02-01	73.5879723689557
2003-03-01	73.7525354969574
2003-04-01	74.2230347349177
2003-05-01	74.7310736756647
2003-06-01	74.6807216703831
2003-07-01	74.6653144016227
2003-08-01	74.7716663283946
2003-09-01	74.3964292960032
2003-10-01	74.4063324538259
2003-11-01	74.5281104120154
2003-12-01	74.5325203252032
2004-01-01	73.6446700507614
2004-02-01	73.3319772172498
2004-03-01	73.6938402114251
2004-04-01	74.4715447154472
2004-05-01	74.8729416548079
2004-06-01	74.5621181262729
2004-07-01	74.5010183299389
2004-08-01	74.9083503054990
2004-09-01	74.3996743996744
2004-10-01	74.4754532491342
2004-11-01	74.5724755700326
2004-12-01	74.6028513238289
2005-01-01	73.9910313901345
2005-02-01	73.4856210483378
2005-03-01	73.9334558073076
2005-04-01	74.5606865549653
2005-05-01	74.9082007343941
2005-06-01	75.0102082482646
2005-07-01	74.9897917517354
2005-08-01	75.0970377936670
2005-09-01	75.5614536545529
2005-10-01	75.3880718954248
2005-11-01	74.8416104639281
2005-12-01	74.6729354047424
2006-01-01	74.1149989768774
2006-02-01	74.0884883244572
2006-03-01	74.6573941501329
2006-04-01	75.2050861361772
2006-05-01	75.6762295081967
2006-06-01	75.6297358181446
2006-07-01	75.3738987912313
2006-08-01	75.5177363133074
2006-09-01	75.5277720844436
2006-10-01	75.5122950819672
2006-11-01	75.1178520188563
2006-12-01	74.9333333333333
2007-01-01	74.5491803278689
2007-02-01	74.9333333333333
2007-03-01	75.2668308702792
2007-04-01	75.9342915811088
2007-05-01	76.3039014373716
2007-06-01	76.2990347093859
2007-07-01	76.0369609856263
2007-08-01	76.0065735414955
2007-09-01	75.8833196384552
2007-10-01	75.8578179576741
2007-11-01	75.6578947368421
2007-12-01	75.4010695187166
2008-01-01	74.9742745420868
2008-02-01	75.0154479917611
2008-03-01	75.2009894867038
2008-04-01	75.7838283828383
2008-05-01	76.2425242318004
2008-06-01	75.7269540111363
2008-07-01	75.4331683168317
2008-08-01	75.8613575407469
2008-09-01	75.5931504023107
2008-10-01	75.6656346749226
2008-11-01	75.5266418835192
2008-12-01	74.9535027898326
2009-01-01	74.6845915201654
2009-02-01	74.2703374042641
2009-03-01	74.1614906832298
2009-04-01	74.4874715261959
2009-05-01	74.6426351771286
2009-06-01	73.9382639320489
2009-07-01	73.5958549222798
2009-08-01	73.8544474393531
2009-09-01	73.8751814223512
2009-10-01	73.9941932807964
2009-11-01	73.6874870305042
2009-12-01	73.5880398671096
2010-01-01	73.6645188110580
2010-02-01	73.2209737827715
2010-03-01	73.5998334374349
2010-04-01	74.0308461859108
2010-05-01	74.0208333333334
2010-06-01	74.0987705772036
2010-07-01	73.8695561575328
2010-08-01	74.0254325620179
2010-09-01	74.0462789243277
2010-10-01	73.9203004381390
2010-11-01	73.6798163222709
2010-12-01	73.8304093567251
2011-01-01	73.6050156739812
2011-02-01	73.8648252772546
2011-03-01	73.7302977232925
2011-04-01	74.3539202803329
2011-05-01	74.6003941318152
2011-06-01	74.4415243101183
2011-07-01	73.9482909728309
2011-08-01	74.1439859525900
2011-09-01	74.1867785939140
2011-10-01	74.0398740818468
2011-11-01	74.1759395339072
2011-12-01	74.0546218487395
2012-01-01	73.7380058406341
2012-02-01	73.6688243892253
2012-03-01	73.5269536147096
2012-04-01	73.8866819987456
2012-05-01	74.1942235244872
2012-06-01	74.5081624110506
2012-07-01	74.0112994350282
2012-08-01	74.1786984724838
2012-09-01	74.3879472693032
2012-10-01	74.6546672247802
2012-11-01	74.3299832495812
2012-12-01	73.7371620205408
2013-01-01	73.7780574784980
2013-02-01	73.7770312828050
2013-03-01	73.6554621848740
2013-04-01	74.3325625394156
2013-05-01	74.7321991178324
2013-06-01	74.9474569146700
2013-07-01	74.4904391678924
2013-08-01	74.5638007147362
2013-09-01	74.6585417104434
2013-10-01	74.5955032569868
2013-11-01	74.7319739331511
2013-12-01	74.3902439024390
2014-01-01	74.2057647801389
2014-02-01	74.3735523268056
2014-03-01	74.7102212855638
2014-04-01	74.9367622259696
2014-05-01	75.4319426885799
2014-06-01	75.2370916754478
2014-07-01	74.8788198103266
2014-08-01	75.2107925801012
2014-09-01	75.3055204382638
2014-10-01	74.9156829679595
2014-11-01	74.6573898376555
2014-12-01	74.8365323771356
2015-01-01	74.7677364864865
2015-02-01	74.9101669837244
2015-03-01	74.7831605669558
2015-04-01	74.9100909667866
2015-05-01	75.3279729157850
2015-06-01	75.4601226993865
2015-07-01	75.1798561151079
2015-08-01	75.2699555367351
2015-09-01	75.6716733657711
2015-10-01	75.6138865368332
2015-11-01	75.2647183396866
2015-12-01	75.3601694915254
2016-01-01	75.2544529262086
2016-02-01	75.0796685787126
2016-03-01	74.9043773905652
2016-04-01	75.6113119285562
2016-05-01	76.1854135658091
2016-06-01	76.2279396130130
2016-07-01	75.8400680561463
2016-08-01	75.8782201405152
2016-09-01	76.2513312034079
2016-10-01	76.4856230031949
2016-11-01	76.1397528760119
2016-12-01	76.2046908315565
2017-01-01	76.0008517887564
2017-02-01	75.6024738750266
2017-03-01	75.6295347844644
2017-04-01	76.2067492524562
2017-05-01	76.6011955593510
2017-06-01	76.7719897523484
2017-07-01	76.3989747970952
2017-08-01	76.5861995300150
2017-09-01	76.8261426740709
2017-10-01	76.8639179662465
2017-11-01	76.5234124438743
2017-12-01	76.5360736459002
2018-01-01	76.8687085028914
2018-02-01	76.7795883361921
2018-03-01	76.9098712446352
2018-04-01	77.4318230620571
2018-05-01	78.1665951051954
2018-06-01	77.9708279708280
2018-07-01	77.4054982817870
2018-08-01	77.7777777777778
2018-09-01	77.9544477868500