Month	Percent
1960-01-01	62.8068550254748
1960-02-01	64.3022359290671
1960-03-01	66.1683107274969
1960-04-01	68.5182335743961
1960-05-01	70.3920061491161
1960-06-01	70.1506301875192
1960-07-01	70.1444376152428
1960-08-01	69.1492628992629
1960-09-01	70.0874367234238
1960-10-01	70.6008583690987
1960-11-01	69.0035205877851
1960-12-01	66.9264863212594
1961-01-01	64.4067796610169
1961-02-01	64.6475434848947
1961-03-01	67.0073215375229
1961-04-01	69.0164433617540
1961-05-01	70.3743152769324
1961-06-01	69.5229413552112
1961-07-01	69.7254664037616
1961-08-01	68.5891613684529
1961-09-01	69.4654183026276
1961-10-01	69.9879409104612
1961-11-01	68.9229843561974
1961-12-01	66.6616586538462
1962-01-01	63.8106650689035
1962-02-01	64.2750373692078
1962-03-01	66.0349201611700
1962-04-01	68.3152092953970
1962-05-01	69.8514115898960
1962-06-01	69.5194304360724
1962-07-01	68.7786824574389
1962-08-01	68.5321913762552
1962-09-01	68.6404477831787
1962-10-01	68.9006466784245
1962-11-01	67.4244646523907
1962-12-01	65.5000732171621
1963-01-01	61.1532846715328
1963-02-01	62.7548048922539
1963-03-01	65.3253922138292
1963-04-01	67.2366323721200
1963-05-01	68.4400751770999
1963-06-01	68.1726327944573
1963-07-01	67.8386167146974
1963-08-01	67.2609633357297
1963-09-01	67.5702811244980
1963-10-01	68.1076438591469
1963-11-01	66.4952870608398
1963-12-01	64.4517324967917
1964-01-01	62.3489264894071
1964-02-01	61.9007092198582
1964-03-01	64.3513934078370
1964-04-01	66.4737436476567
1964-05-01	67.7514792899408
1964-06-01	67.2622397298818
1964-07-01	66.8164583625895
1964-08-01	66.0176495307466
1964-09-01	66.2611856823266
1964-10-01	67.0478315437178
1964-11-01	65.3632062343446
1964-12-01	63.1842178382884
1965-01-01	61.5160753880266
1965-02-01	61.6512238971097
1965-03-01	63.6752726770675
1965-04-01	65.6232763375620
1965-05-01	66.6574889867842
1965-06-01	66.8865979381443
1965-07-01	66.2961438177576
1965-08-01	65.8860586140783
1965-09-01	66.1790840738209
1965-10-01	66.4892891253923
1965-11-01	65.0361084616433
1965-12-01	63.1428571428572
1966-01-01	61.5175783901181
1966-02-01	61.9189592085648
1966-03-01	63.7384948565241
1966-04-01	65.8157752566180
1966-05-01	66.9409225789048
1966-06-01	67.1470905172414
1966-07-01	66.7608286252354
1966-08-01	65.8159838817999
1966-09-01	65.7008718980550
1966-10-01	66.4523905182804
1966-11-01	64.8695652173913
1966-12-01	63.1213254943880
1967-01-01	61.3178604775243
1967-02-01	61.5405117270789
1967-03-01	63.8770622671634
1967-04-01	65.7814367281901
1967-05-01	67.4492638280939
1967-06-01	67.8855325914150
1967-07-01	67.2359015091342
1967-08-01	65.9883720930232
1967-09-01	65.8658922914467
1967-10-01	65.7444005270092
1967-11-01	65.3684210526316
1967-12-01	63.5360567450414
1968-01-01	62.1011162179908
1968-02-01	61.5788093364805
1968-03-01	63.9387193924316
1968-04-01	66.0609229964701
1968-05-01	67.2109732201176
1968-06-01	67.2319332115836
1968-07-01	66.5928338762215
1968-08-01	66.3196251952108
1968-09-01	66.1250487456129
1968-10-01	66.2816353017521
1968-11-01	65.5172413793104
1968-12-01	63.5774465327284
1969-01-01	61.9627136198861
1969-02-01	61.7822038282462
1969-03-01	63.8476436410588
1969-04-01	65.7334537479035
1969-05-01	66.7225157881170
1969-06-01	66.5851146021118
1969-07-01	66.1049652688449
1969-08-01	65.7205240174673
1969-09-01	66.0210364289379
1969-10-01	65.7270980140935
1969-11-01	64.6313364055300
1969-12-01	63.3201176621051
1970-01-01	61.9826264690853
1970-02-01	61.9242056909532
1970-03-01	64.0045854031334
1970-04-01	65.5804480651731
1970-05-01	66.2852784134249
1970-06-01	66.4084328168656
1970-07-01	66.2688840929288
1970-08-01	65.3568259601977
1970-09-01	65.5403695267021
1970-10-01	65.2635570724308
1970-11-01	64.1828744632483
1970-12-01	63.2364096080910
1971-01-01	62.0972836386608
1971-02-01	61.9588539694560
1971-03-01	64.1768484695806
1971-04-01	65.1566628916572
1971-05-01	65.7911273092874
1971-06-01	65.8340655202711
1971-07-01	65.5548589341693
1971-08-01	64.8878867593636
1971-09-01	64.5100738330622
1971-10-01	64.6000000000000
1971-11-01	64.1349156777014
1971-12-01	62.7264775709109
1972-01-01	61.6344354335621
1972-02-01	61.4991269643302
1972-03-01	62.8022936923460
1972-04-01	64.0134529147982
1972-05-01	64.8141240830536
1972-06-01	64.7329192546584
1972-07-01	64.7160280891955
1972-08-01	64.2435424354244
1972-09-01	64.0530908197124
1972-10-01	64.5117762512267
1972-11-01	63.5494545900233
1972-12-01	62.8431372549020
1973-01-01	62.1849767555664
1973-02-01	62.3854332152022
1973-03-01	63.2369095569388
1973-04-01	64.0722215444675
1973-05-01	64.5632842002680
1973-06-01	65.1496714529082
1973-07-01	65.1216545012165
1973-08-01	64.2735665694850
1973-09-01	64.4703312704769
1973-10-01	65.6033959975743
1973-11-01	64.4535982553913
1973-12-01	62.3349884946106
1974-01-01	61.1675126903553
1974-02-01	61.3584268307395
1974-03-01	62.5467261545882
1974-04-01	63.7787685263285
1974-05-01	64.3046198267565
1974-06-01	64.2393655371305
1974-07-01	63.7128772393892
1974-08-01	63.3069354451644
1974-09-01	63.3997120921305
1974-10-01	63.5971223021583
1974-11-01	62.7486220944165
1974-12-01	61.3532934131736
1975-01-01	59.9426386233270
1975-02-01	59.9952261606397
1975-03-01	61.1097852028640
1975-04-01	62.0278803765042
1975-05-01	63.3400737480671
1975-06-01	63.4085510688836
1975-07-01	63.3210595082551
1975-08-01	62.7920768592100
1975-09-01	62.6406157489639
1975-10-01	62.6020106445890
1975-11-01	62.0196287099444
1975-12-01	61.2594517958412
1976-01-01	59.8985968635774
1976-02-01	60.0117924528302
1976-03-01	61.2610489098409
1976-04-01	62.0645009416196
1976-05-01	62.6513103772476
1976-06-01	62.7655828148844
1976-07-01	62.9538244624604
1976-08-01	62.6568179153476
1976-09-01	62.5629022820363
1976-10-01	62.5234082397004
1976-11-01	61.9604632120716
1976-12-01	61.2624196376388
1977-01-01	59.9510032664489
1977-02-01	59.8740230957658
1977-03-01	60.9486073884163
1977-04-01	62.5000000000000
1977-05-01	63.1101813110181
1977-06-01	63.2190586868100
1977-07-01	63.2728963272896
1977-08-01	62.7537408653288
1977-09-01	62.7171646977067
1977-10-01	62.5231481481482
1977-11-01	62.2021744159149
1977-12-01	61.4690572585310
1978-01-01	59.9722671596949
1978-02-01	60.1639155027127
1978-03-01	61.1027800207636
1978-04-01	62.3689365134232
1978-05-01	63.6081407381856
1978-06-01	63.7784417375316
1978-07-01	63.1421675669463
1978-08-01	62.5817555938038
1978-09-01	62.6003210272873
1978-10-01	62.6889601465873
1978-11-01	62.2583228463562
1978-12-01	61.5129320210574
1979-01-01	60.4821204158574
1979-02-01	60.3334094542133
1979-03-01	61.0167559557734
1979-04-01	62.4658158614403
1979-05-01	63.5215114955611
1979-06-01	63.6570388901524
1979-07-01	63.4595701125896
1979-08-01	63.0921276837442
1979-09-01	62.7822534891637
1979-10-01	62.9335751530265
1979-11-01	62.3401606880163
1979-12-01	61.4479638009050
1980-01-01	60.2530787481640
1980-02-01	60.3072404834519
1980-03-01	61.2095227349656
1980-04-01	62.5929263347601
1980-05-01	63.1117111036112
1980-06-01	63.5873229939312
1980-07-01	63.4105215827338
1980-08-01	62.9446751206374
1980-09-01	62.9733363208604
1980-10-01	62.6874021033788
1980-11-01	62.0724346076459
1980-12-01	61.3242366625657
1981-01-01	60.3638798973100
1981-02-01	60.2455357142857
1981-03-01	61.1885382985840
1981-04-01	62.6504681230495
1981-05-01	62.9914244347923
1981-06-01	63.2082823110320
1981-07-01	63.0079038183235
1981-08-01	62.7126181211784
1981-09-01	62.6207662409772
1981-10-01	62.5638179800222
1981-11-01	62.2254271133792
1981-12-01	61.5230905861456
1982-01-01	60.3190428713858
1982-02-01	60.3385330235646
1982-03-01	61.3463026417597
1982-04-01	62.5331272084806
1982-05-01	63.2524807056229
1982-06-01	63.0008806693087
1982-07-01	62.6334911372894
1982-08-01	62.3791739894552
1982-09-01	62.4204520517885
1982-10-01	62.5822007891276
1982-11-01	62.2110222417004
1982-12-01	61.8233618233618
1983-01-01	60.8111062527328
1983-02-01	60.7119458397030
1983-03-01	61.5224989078200
1983-04-01	62.7468092069379
1983-05-01	63.5313351498638
1983-06-01	63.5443864229765
1983-07-01	63.1893832263679
1983-08-01	62.7727716860276
1983-09-01	62.8428927680798
1983-10-01	62.9103911583054
1983-11-01	62.3105240363794
1983-12-01	61.3077839125257
1984-01-01	60.1037950048654
1984-02-01	60.1491569390402
1984-03-01	61.0775210537681
1984-04-01	62.4514877102199
1984-05-01	62.9430141118173
1984-06-01	63.1091984938139
1984-07-01	62.7809441875470
1984-08-01	62.4838986689566
1984-09-01	62.8280664167113
1984-10-01	62.7115013921611
1984-11-01	62.1482828715096
1984-12-01	61.2306046013911
1985-01-01	60.4613905799423
1985-02-01	60.2668089647812
1985-03-01	60.8830116241868
1985-04-01	62.3122003196590
1985-05-01	62.7699180938198
1985-06-01	62.5837320574163
1985-07-01	62.5438316863245
1985-08-01	62.1762208067941
1985-09-01	62.2617534942821
1985-10-01	62.1047065044950
1985-11-01	61.4702154626109
1985-12-01	60.4014791336503
1986-01-01	60.0421940928270
1986-02-01	59.9178341936164
1986-03-01	60.5155181483430
1986-04-01	61.8912380351320
1986-05-01	62.3394398820804
1986-06-01	62.3830055736670
1986-07-01	62.3623203608518
1986-08-01	61.9595938448655
1986-09-01	61.8366067697451
1986-10-01	61.7929451054060
1986-11-01	61.2832550860720
1986-12-01	60.4801670146138
1987-01-01	59.4982825023420
1987-02-01	59.3135725429017
1987-03-01	60.1701951017020
1987-04-01	61.4890087100788
1987-05-01	61.9595645412131
1987-06-01	62.1089703749741
1987-07-01	61.9402213258869
1987-08-01	61.7568125516102
1987-09-01	61.6749174917492
1987-10-01	61.5733113673806
1987-11-01	61.3241492752133
1987-12-01	60.8105328121786
1988-01-01	59.7927567456653
1988-02-01	59.5118449389806
1988-03-01	60.3402336544374
1988-04-01	61.7761407816656
1988-05-01	62.3633949545501
1988-06-01	62.3761364797221
1988-07-01	62.3277182235835
1988-08-01	61.9062181447502
1988-09-01	61.6698871148174
1988-10-01	61.5861088545898
1988-11-01	61.3364429121882
1988-12-01	60.9401969743121
1989-01-01	59.8702220419751
1989-02-01	59.9432681592544
1989-03-01	60.6879109762266
1989-04-01	62.0410640234652
1989-05-01	62.6754164563352
1989-06-01	62.9058277878605
1989-07-01	62.8398791540786
1989-08-01	62.2787610619469
1989-09-01	62.0810756572346
1989-10-01	62.1014638058953
1989-11-01	61.9386527666399
1989-12-01	61.5577385725742
1990-01-01	60.4204204204204
1990-02-01	60.5584467574059
1990-03-01	61.5076984603079
1990-04-01	62.5262316378535
1990-05-01	63.1662847464382
1990-06-01	63.1363953372522
1990-07-01	63.1127939418095
1990-08-01	62.5323254426099
1990-09-01	62.7641631114198
1990-10-01	62.6895253195917
1990-11-01	62.4367998413800
1990-12-01	62.0039682539682
1991-01-01	61.1446677888900
1991-02-01	61.0929610929611
1991-03-01	61.8629000395101
1991-04-01	62.9070455891060
1991-05-01	63.5485460818137
1991-06-01	63.7975182194209
1991-07-01	63.4215966138400
1991-08-01	63.1387578616352
1991-09-01	63.1759740897046
1991-10-01	62.9978418677654
1991-11-01	62.8935752820010
1991-12-01	62.6239811450457
1992-01-01	61.3816756491916
1992-02-01	61.7514677103718
1992-03-01	62.0662691818982
1992-04-01	63.0111524163569
1992-05-01	63.5715680531146
1992-06-01	63.5663449351662
1992-07-01	63.1578947368421
1992-08-01	63.0072992700730
1992-09-01	62.9665629860031
1992-10-01	63.0924630924631
1992-11-01	62.9622440066000
1992-12-01	62.3979790128255
1993-01-01	61.0491612527877
1993-02-01	60.9226594301221
1993-03-01	61.5317583268784
1993-04-01	62.6464040267157
1993-05-01	63.0871834525420
1993-06-01	63.1594202898551
1993-07-01	62.9647513278609
1993-08-01	62.6229508196721
1993-09-01	62.5469607937578
1993-10-01	62.6119618607339
1993-11-01	62.3665223665224
1993-12-01	61.8878091022804
1994-01-01	60.7860094167387
1994-02-01	60.5670350792888
1994-03-01	61.1196466295372
1994-04-01	62.3955431754875
1994-05-01	62.8848182602858
1994-06-01	62.8007284577782
1994-07-01	62.4556695102080
1994-08-01	62.1349928195309
1994-09-01	61.9944545367626
1994-10-01	61.9325241326579
1994-11-01	61.6927779900650
1994-12-01	61.2576452599388
1995-01-01	60.3319977103606
1995-02-01	60.2748878495753
1995-03-01	60.8641739793972
1995-04-01	61.7843511450382
1995-05-01	62.1642217565250
1995-06-01	62.4428789032750
1995-07-01	62.3285060975610
1995-08-01	61.8240670220868
1995-09-01	62.0745388857197
1995-10-01	61.7079889807162
1995-11-01	61.1142748671222
1995-12-01	60.7865488743232
1996-01-01	59.9639571279522
1996-02-01	59.7930314250451
1996-03-01	60.7020872865275
1996-04-01	61.6318785578748
1996-05-01	61.8546935682486
1996-06-01	62.3757690487458
1996-07-01	62.4017425892604
1996-08-01	61.9038607115821
1996-09-01	62.0829789244873
1996-10-01	61.8152625613902
1996-11-01	61.3329557254791
1996-12-01	61.0055760325111
1997-01-01	60.4178430265387
1997-02-01	60.4331450094162
1997-03-01	61.0442144873001
1997-04-01	61.8380208823253
1997-05-01	62.3015500234852
1997-06-01	62.6900694574808
1997-07-01	62.4553823032125
1997-08-01	61.8779342723005
1997-09-01	61.8239760052488
1997-10-01	61.7870188255128
1997-11-01	61.1272352775957
1997-12-01	60.9934395501406
1998-01-01	60.4117922321011
1998-02-01	59.9607182940516
1998-03-01	60.4316546762590
1998-04-01	61.0410242033455
1998-05-01	61.6023905126529
1998-06-01	61.6705552963136
1998-07-01	61.3640604590409
1998-08-01	61.0235853453901
1998-09-01	60.7861400894188
1998-10-01	60.7635009310987
1998-11-01	60.2995906215110
1998-12-01	60.0130402384501
1999-01-01	59.3377976190476
1999-02-01	58.9154497256069
1999-03-01	59.3750000000000
1999-04-01	60.1767441860465
1999-05-01	60.7119620782601
1999-06-01	60.5855018587361
1999-07-01	60.3642107219177
1999-08-01	60.4213066072754
1999-09-01	60.4099044792729
1999-10-01	60.2409638554217
1999-11-01	60.0370541917554
1999-12-01	59.5533728687917
2000-01-01	58.8371447088232
2000-02-01	58.4027392189524
2000-03-01	58.7119459609512
2000-04-01	59.5910058295549
2000-05-01	60.1294498381877
2000-06-01	60.1016635859519
2000-07-01	59.9944526627219
2000-08-01	59.8724937632819
2000-09-01	59.8117038951449
2000-10-01	60.0258254934514
2000-11-01	59.9207446318312
2000-12-01	59.3274988484569
2001-01-01	58.5851142225497
2001-02-01	58.5923807766811
2001-03-01	58.7384898710866
2001-04-01	59.1804788213628
2001-05-01	59.5327876391060
2001-06-01	59.4684079830773
2001-07-01	59.3287356321839
2001-08-01	59.2187500000000
2001-09-01	58.7381761410598
2001-10-01	58.7560774240895
2001-11-01	58.9259530791789
2001-12-01	58.3402109124255
2002-01-01	57.4427131072411
2002-02-01	57.3158425832492
2002-03-01	57.7388593434806
2002-04-01	58.1115801064416
2002-05-01	58.2424631173829
2002-06-01	58.3554619540335
2002-07-01	58.3860034808098
2002-08-01	58.3478340507372
2002-09-01	58.1031644411926
2002-10-01	58.0842701764007
2002-11-01	58.0444525747736
2002-12-01	57.5993407800769
2003-01-01	56.7520585544373
2003-02-01	56.6864988558352
2003-03-01	57.2708161959602
2003-04-01	57.6627651792246
2003-05-01	58.0874965750297
2003-06-01	58.4891889426147
2003-07-01	58.2473756275673
2003-08-01	58.0542119193210
2003-09-01	57.8697793178917
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2004-01-01	56.7195477753464
2004-02-01	56.6514598540146
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2010-01-01	56.3164534150297
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2011-01-01	56.3343530682023
2011-02-01	56.3922627080522
2011-03-01	56.1543998560374
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2013-02-01	56.3665855636659
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2014-02-01	56.7708802594828
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2015-02-01	57.1711711711712
2015-03-01	57.1441441441442
2015-04-01	57.3603603603604
2015-05-01	57.8776686784974
2015-06-01	58.0700333063282
2015-07-01	57.6999279538905
2015-08-01	57.7065129267634
2015-09-01	58.2050589612026
2015-10-01	58.1263498920086
2015-11-01	57.6649563417049
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2016-02-01	57.4466168123254
2016-03-01	57.3075191355245
2016-04-01	57.8430489233264
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2016-08-01	58.4436638746285
2016-09-01	58.7355907780980
2016-10-01	58.6858685868587
2016-11-01	58.3040777747772
2016-12-01	58.4526704494281
2017-01-01	58.2620441242684
2017-02-01	57.9009009009009
2017-03-01	57.9549549549550
2017-04-01	58.5902289525870
2017-05-01	58.9766687685794
2017-06-01	59.3169940529825
2017-07-01	59.0995047276002
2017-08-01	59.2162162162162
2017-09-01	59.3859728099397
2017-10-01	59.2509228414513
2017-11-01	58.9951377633712
2017-12-01	58.9581831290555
2018-01-01	59.1490895979809
2018-02-01	59.3093499233613
2018-03-01	59.6988006132203
2018-04-01	60.1587158445306
2018-05-01	60.3913082679650
2018-06-01	60.2378164129358
2018-07-01	60.0324499729584
2018-08-01	60.2633477633478
2018-09-01	60.5227579990987