Month	Percent
1968-01-01	50.3489531405783
1968-02-01	49.7755610972569
1968-03-01	54.2144638403990
1968-04-01	57.0074812967581
1968-05-01	58.1754735792622
1968-06-01	57.5274177467597
1968-07-01	57.4489287493772
1968-08-01	57.0074812967581
1968-09-01	55.2447552447552
1968-10-01	54.9725137431284
1968-11-01	54.0270135067534
1968-12-01	52.4549098196393
1969-01-01	50.4766683391872
1969-02-01	49.1465863453815
1969-03-01	53.4942182001006
1969-04-01	55.7682619647355
1969-05-01	56.7322239031770
1969-06-01	56.1270801815431
1969-07-01	56.5020161290323
1969-08-01	55.9253656076652
1969-09-01	54.8159354513364
1969-10-01	54.1330645161290
1969-11-01	53.1250000000000
1969-12-01	52.1169354838710
1970-01-01	50.0252143217347
1970-02-01	50.1763224181360
1970-03-01	54.7055863110216
1970-04-01	56.0644187216910
1970-05-01	56.6901408450704
1970-06-01	56.6834170854271
1970-07-01	57.0567553992968
1970-08-01	55.8897243107769
1970-09-01	55.2552552552552
1970-10-01	54.3000000000000
1970-11-01	53.7962037962038
1970-12-01	53.8230884557721
1971-01-01	52.0459081836327
1971-02-01	51.7946161515454
1971-03-01	55.7931377424167
1971-04-01	57.3412698412698
1971-05-01	57.7590480912246
1971-06-01	57.2420634920635
1971-07-01	56.9230769230769
1971-08-01	55.5223880597015
1971-09-01	54.5137157107232
1971-10-01	54.1729135432284
1971-11-01	53.3066132264529
1971-12-01	52.5628140703518
1972-01-01	51.2872286723877
1972-02-01	51.5135967162648
1972-03-01	53.6045314109166
1972-04-01	54.6018614270941
1972-05-01	54.6349041947178
1972-06-01	54.3376623376623
1972-07-01	54.5031055900621
1972-08-01	53.2433834976648
1972-09-01	52.5574112734864
1972-10-01	52.3237597911227
1972-11-01	51.7566858940745
1972-12-01	51.3925380977404
1973-01-01	50.0793231094659
1973-02-01	49.8139287612972
1973-03-01	51.6542155816436
1973-04-01	53.1333690412426
1973-05-01	53.1216361679225
1973-06-01	53.5059331175836
1973-07-01	53.7960954446855
1973-08-01	51.8478260869565
1973-09-01	51.8518518518518
1973-10-01	51.6675779114270
1973-11-01	50.1922020867655
1973-12-01	48.9537444933921
1974-01-01	46.3752075262867
1974-02-01	46.6407551360355
1974-03-01	49.3861607142857
1974-04-01	51.0078387458007
1974-05-01	51.5712682379349
1974-06-01	50.4220596510974
1974-07-01	49.6602491506229
1974-08-01	48.9795918367347
1974-09-01	49.2027334851936
1974-10-01	49.1137793024585
1974-11-01	47.5560667050029
1974-12-01	46.3358338141950
1975-01-01	44.5344129554656
1975-02-01	43.9349970980847
1975-03-01	46.0641399416910
1975-04-01	47.9859894921191
1975-05-01	48.8304093567252
1975-06-01	47.1035693387946
1975-07-01	47.7647058823529
1975-08-01	47.3777253977608
1975-09-01	46.5486725663717
1975-10-01	46.4813719692490
1975-11-01	45.6057007125891
1975-12-01	46.2455303933254
1976-01-01	44.1123729826659
1976-02-01	43.1654676258993
1976-03-01	46.0288808664260
1976-04-01	46.4780252859723
1976-05-01	45.7228915662651
1976-06-01	45.2079566003617
1976-07-01	46.2749848576620
1976-08-01	45.6363636363636
1976-09-01	44.7607510599637
1976-10-01	43.5601458080194
1976-11-01	43.7956204379562
1976-12-01	43.9902379499695
1977-01-01	41.7380660954712
1977-02-01	41.4110429447853
1977-03-01	44.0000000000000
1977-04-01	45.5610357583231
1977-05-01	45.1294697903822
1977-06-01	44.7807288449660
1977-07-01	45.5672659640422
1977-08-01	44.6373217606944
1977-09-01	43.8585607940447
1977-10-01	42.3960273122284
1977-11-01	42.9459291485395
1977-12-01	43.3727442439328
1978-01-01	40.8695652173913
1978-02-01	40.4850746268657
1978-03-01	42.6525529265255
1978-04-01	45.4828660436137
1978-05-01	45.7373988799004
1978-06-01	45.1713395638629
1978-07-01	44.9157829070493
1978-08-01	43.6681222707424
1978-09-01	42.5717852684145
1978-10-01	42.2333125389894
1978-11-01	41.8590143480973
1978-12-01	42.0362273579013
1979-01-01	40.0000000000000
1979-02-01	39.7997496871089
1979-03-01	41.3642052565707
1979-04-01	43.6250000000000
1979-05-01	44.8469706433479
1979-06-01	44.9438202247191
1979-07-01	44.6529080675422
1979-08-01	43.7773608505316
1979-09-01	42.5000000000000
1979-10-01	42.4109931292942
1979-11-01	41.4588528678304
1979-12-01	40.9345794392523
1980-01-01	39.0517779164067
1980-02-01	37.8750000000000
1980-03-01	40.2248594628357
1980-04-01	41.7966313162820
1980-05-01	43.4267912772586
1980-06-01	44.5273631840796
1980-07-01	44.7975077881620
1980-08-01	43.7538844002486
1980-09-01	42.8748451053284
1980-10-01	41.9554455445544
1980-11-01	41.5945611866502
1980-12-01	41.3218035824583
1981-01-01	39.6904024767802
1981-02-01	38.6575512740833
1981-03-01	40.7591785936528
1981-04-01	43.4890965732087
1981-05-01	43.6953807740325
1981-06-01	44.8125000000000
1981-07-01	44.2982456140351
1981-08-01	43.1704260651629
1981-09-01	41.7031934877896
1981-10-01	41.0144020037570
1981-11-01	41.3166144200627
1981-12-01	40.9661229611041
1982-01-01	38.8610763454318
1982-02-01	37.9849812265332
1982-03-01	40.0249376558604
1982-04-01	43.2752179327522
1982-05-01	43.5403726708074
1982-06-01	43.0521091811414
1982-07-01	43.2114073155611
1982-08-01	42.2483014206300
1982-09-01	41.5024630541872
1982-10-01	41.4619164619165
1982-11-01	41.9730392156863
1982-12-01	41.9730392156863
1983-01-01	39.7058823529412
1983-02-01	39.6572827417381
1983-03-01	41.5647921760391
1983-04-01	44.0170940170940
1983-05-01	44.5393532641855
1983-06-01	44.5526475958612
1983-07-01	44.0121580547112
1983-08-01	42.8138265615525
1983-09-01	41.8534221683828
1983-10-01	41.6666666666667
1983-11-01	41.8225709112854
1983-12-01	41.4354644149578
1984-01-01	39.2038600723764
1984-02-01	38.5498489425982
1984-03-01	39.7227245328511
1984-04-01	43.1148526758870
1984-05-01	43.6974789915966
1984-06-01	43.5667265110712
1984-07-01	43.2335329341317
1984-08-01	42.7804295942721
1984-09-01	42.5595238095238
1984-10-01	41.7608566329566
1984-11-01	41.2218268090154
1984-12-01	41.4344991108477
1985-01-01	39.8460627590290
1985-02-01	38.8033175355450
1985-03-01	39.8340248962656
1985-04-01	42.1145894861193
1985-05-01	42.3349056603774
1985-06-01	42.3280423280423
1985-07-01	42.6556991774383
1985-08-01	41.3692217671153
1985-09-01	40.8056042031524
1985-10-01	40.5594405594406
1985-11-01	40.8376963350785
1985-12-01	40.4069767441860
1986-01-01	39.6862289366647
1986-02-01	38.7695879280325
1986-03-01	39.9652978600347
1986-04-01	42.2543352601156
1986-05-01	42.2632794457275
1986-06-01	42.6843317972350
1986-07-01	42.9310344827586
1986-08-01	41.8524871355060
1986-09-01	40.9350057012543
1986-10-01	40.7954545454545
1986-11-01	40.7596371882086
1986-12-01	39.8978433598184
1987-01-01	37.9954699886750
1987-02-01	37.2304199772985
1987-03-01	39.1402714932127
1987-04-01	41.9300225733634
1987-05-01	42.2059651097355
1987-06-01	42.2321929332586
1987-07-01	41.8487394957983
1987-08-01	41.9877163595757
1987-09-01	41.0027855153203
1987-10-01	40.0998336106489
1987-11-01	40.7632743362832
1987-12-01	40.3207964601770
1988-01-01	38.1346578366446
1988-02-01	36.9673491975650
1988-03-01	38.9409817981247
1988-04-01	42.1342134213421
1988-05-01	42.7631578947368
1988-06-01	42.6929392446634
1988-07-01	42.2003284072250
1988-08-01	41.7121046892039
1988-09-01	40.7266811279826
1988-10-01	40.6504065040650
1988-11-01	40.7787993510005
1988-12-01	40.5507559395248
1989-01-01	38.4781435509984
1989-02-01	38.0334954078876
1989-03-01	39.4935344827586
1989-04-01	42.7111350188273
1989-05-01	43.2563138097797
1989-06-01	43.8069705093834
1989-07-01	43.3941997851772
1989-08-01	42.0630678781400
1989-09-01	41.1608093716720
1989-10-01	41.4050026609899
1989-11-01	41.5515409139214
1989-12-01	41.2014885699096
1990-01-01	38.7234042553192
1990-02-01	38.6011745862253
1990-03-01	40.6283280085197
1990-04-01	43.3581296493092
1990-05-01	44.4621091679915
1990-06-01	44.1737288135593
1990-07-01	44.0425531914894
1990-08-01	43.0467091295117
1990-09-01	42.8344791115812
1990-10-01	43.3033350979354
1990-11-01	42.9252782193959
1990-12-01	42.3953365129836
1991-01-01	39.9683210137276
1991-02-01	39.7245762711864
1991-03-01	41.6139240506329
1991-04-01	44.8113207547170
1991-05-01	45.9812108559499
1991-06-01	45.8572173006774
1991-07-01	45.4592901878914
1991-08-01	44.6753246753247
1991-09-01	43.9668565510098
1991-10-01	43.6918304033092
1991-11-01	43.7500000000000
1991-12-01	43.8696326952923
1992-01-01	41.6190970420342
1992-02-01	41.7708333333333
1992-03-01	43.0656934306569
1992-04-01	46.1578672242551
1992-05-01	46.9760166840459
1992-06-01	46.0135487232934
1992-07-01	46.2866108786611
1992-08-01	45.6680584551148
1992-09-01	44.3691345151199
1992-10-01	44.5776850886340
1992-11-01	44.6065659197499
1992-12-01	44.4386422976501
1993-01-01	41.8191322530058
1993-02-01	41.5748031496063
1993-03-01	43.0141287284144
1993-04-01	46.2585034013605
1993-05-01	46.1780104712042
1993-06-01	46.2343096234310
1993-07-01	46.9259064634787
1993-08-01	45.6738332459360
1993-09-01	44.5201887781856
1993-10-01	45.3830010493180
1993-11-01	45.2780692549843
1993-12-01	44.9579831932773
1994-01-01	42.4210526315789
1994-02-01	42.1916357861302
1994-03-01	43.7334743521946
1994-04-01	46.3775780010576
1994-05-01	46.7443091582848
1994-06-01	46.4550264550265
1994-07-01	46.4399574920298
1994-08-01	46.2274176408076
1994-09-01	44.9575371549894
1994-10-01	44.7158789166224
1994-11-01	45.2178533475027
1994-12-01	45.3141640042598
1995-01-01	43.0170575692964
1995-02-01	42.3592493297587
1995-03-01	43.4619506966774
1995-04-01	45.4691689008043
1995-05-01	46.0010735373054
1995-06-01	46.2903225806452
1995-07-01	46.4864864864865
1995-08-01	45.3513513513514
1995-09-01	44.5945945945946
1995-10-01	44.9432125473229
1995-11-01	44.8835950189496
1995-12-01	44.4625407166124
1996-01-01	42.8960261295591
1996-02-01	42.7710843373494
1996-03-01	43.5686918445539
1996-04-01	45.9474260679080
1996-05-01	46.4618760285244
1996-06-01	47.4464579901153
1996-07-01	47.1531232725263
1996-08-01	46.5927977839335
1996-09-01	45.4042081949059
1996-10-01	44.3704936217415
1996-11-01	44.5555555555556
1996-12-01	44.7910863509749
1997-01-01	43.1767337807606
1997-02-01	43.0500844119302
1997-03-01	43.6936936936937
1997-04-01	45.8896396396396
1997-05-01	46.7569091934574
1997-06-01	47.0056497175141
1997-07-01	47.2127417519909
1997-08-01	46.7199087278950
1997-09-01	46.0706150341686
1997-10-01	45.3196347031964
1997-11-01	44.6540880503145
1997-12-01	44.8137535816619
1998-01-01	43.0627518710420
1998-02-01	42.3032407407407
1998-03-01	43.0057803468208
1998-04-01	45.4861111111111
1998-05-01	46.2296983758701
1998-06-01	46.1940732132481
1998-07-01	46.1718293395675
1998-08-01	45.7209847596717
1998-09-01	44.3728018757327
1998-10-01	44.1833137485311
1998-11-01	44.2285041224970
1998-12-01	44.2148760330579
1999-01-01	42.1800947867299
1999-02-01	40.8820023837902
1999-03-01	41.8604651162791
1999-04-01	44.0000000000000
1999-05-01	45.2423698384201
1999-06-01	44.9040767386091
1999-07-01	44.2365721182861
1999-08-01	43.8066465256798
1999-09-01	42.2518159806295
1999-10-01	42.0861127956337
1999-11-01	42.0316301703163
1999-12-01	42.8136419001218
2000-01-01	41.2232415902141
2000-02-01	40.0369003690037
2000-03-01	41.5129151291513
2000-04-01	43.9114391143911
2000-05-01	44.7595561035758
2000-06-01	43.9777640518839
2000-07-01	44.1889372280920
2000-08-01	43.1506849315068
2000-09-01	42.2789539227895
2000-10-01	43.2668329177057
2000-11-01	42.9463171036205
2000-12-01	42.7141963727330
2001-01-01	40.5778894472362
2001-02-01	40.0758533501896
2001-03-01	41.3400758533502
2001-04-01	43.8053097345133
2001-05-01	44.0151994933502
2001-06-01	43.2106598984772
2001-07-01	43.3865814696486
2001-08-01	43.1774503523382
2001-09-01	40.5630198336532
2001-10-01	41.1538461538462
2001-11-01	41.9396274887604
2001-12-01	41.4524421593830
2002-01-01	39.3527508090615
2002-02-01	38.1107491856678
2002-03-01	39.6618985695709
2002-04-01	42.2727272727273
2002-05-01	42.2801302931596
2002-06-01	41.9712793733682
2002-07-01	42.3884514435696
2002-08-01	42.9605263157895
2002-09-01	41.3543721236029
2002-10-01	41.0138248847926
2002-11-01	40.4227212681638
2002-12-01	40.4761904761905
2003-01-01	38.6348575215374
2003-02-01	38.2254836557705
2003-03-01	38.6666666666667
2003-04-01	41.0393071285810
2003-05-01	41.6165664662659
2003-06-01	41.4993306559572
2003-07-01	41.4650537634409
2003-08-01	41.3351314902225
2003-09-01	40.9825033647375
2003-10-01	39.9865138233311
2003-11-01	40.3106009453072
2003-12-01	40.5423728813559
2004-01-01	37.9755434782609
2004-02-01	37.3889268626111
2004-03-01	38.3094751192911
2004-04-01	40.4632152588556
2004-05-01	41.1202185792350
2004-06-01	40.7407407407407
2004-07-01	41.3507925568573
2004-08-01	41.5745856353591
2004-09-01	40.8304498269896
2004-10-01	40.7484407484408
2004-11-01	40.2498265093685
2004-12-01	40.3337969401947
2005-01-01	38.2414515003489
2005-02-01	37.5175315568022
2005-03-01	38.9355742296919
2005-04-01	41.0939691444600
2005-05-01	42.0646067415730
2005-06-01	42.4349049964814
2005-07-01	42.1499292786422
2005-08-01	42.2395464209780
2005-09-01	41.8851878100638
2005-10-01	41.6607523066004
2005-11-01	41.4234875444840
2005-12-01	41.2687099073414
2006-01-01	39.5997140814868
2006-02-01	39.1522988505747
2006-03-01	39.6415770609319
2006-04-01	42.0674802584350
2006-05-01	42.6312005751258
2006-06-01	42.9085673146148
2006-07-01	42.6917510853835
2006-08-01	42.0899854862119
2006-09-01	41.2617839013778
2006-10-01	41.7997097242380
2006-11-01	41.7151162790698
2006-12-01	40.3790087463557
2007-01-01	38.3541513592946
2007-02-01	38.9992641648271
2007-03-01	40.3973509933775
2007-04-01	44.1911764705882
2007-05-01	43.7407952871870
2007-06-01	43.5519528371408
2007-07-01	42.5295857988166
2007-08-01	41.3511507052710
2007-09-01	41.0104011887073
2007-10-01	41.0846953937593
2007-11-01	41.2071535022355
2007-12-01	40.2684563758389
2008-01-01	38.5650224215247
2008-02-01	38.8305847076462
2008-03-01	40.0900900900901
2008-04-01	43.7593984962406
2008-05-01	44.1353383458647
2008-06-01	42.8786737000754
2008-07-01	40.8163265306122
2008-08-01	42.1092564491654
2008-09-01	41.0159211523882
2008-10-01	40.8054711246201
2008-11-01	41.2033511043412
2008-12-01	40.5797101449275
2009-01-01	38.6085626911315
2009-02-01	37.7777777777778
2009-03-01	37.2985418265541
2009-04-01	41.4428242517268
2009-05-01	42.2427035330261
2009-06-01	41.4483821263482
2009-07-01	39.9845916795069
2009-08-01	40.0464756003098
2009-09-01	39.2718822618125
2009-10-01	38.6522075910147
2009-11-01	39.3162393162393
2009-12-01	38.3956386292835
2010-01-01	37.1584699453552
2010-02-01	36.5414710485133
2010-03-01	37.0980392156863
2010-04-01	39.6389324960754
2010-05-01	39.7012578616352
2010-06-01	39.7012578616352
2010-07-01	39.2744479495268
2010-08-01	39.6360759493671
2010-09-01	39.3026941362916
2010-10-01	38.8756927949327
2010-11-01	39.1891891891892
2010-12-01	39.3794749403341
2011-01-01	37.3503591380686
2011-02-01	37.2204472843450
2011-03-01	37.5921375921376
2011-04-01	40.9165302782324
2011-05-01	41.5435139573071
2011-06-01	41.5435139573071
2011-07-01	40.2469135802469
2011-08-01	39.6179401993356
2011-09-01	38.7096774193548
2011-10-01	38.0032206119163
2011-11-01	38.1144238517325
2011-12-01	37.8726833199033
2012-01-01	35.6739305891848
2012-02-01	36.0841423948220
2012-03-01	35.4368932038835
2012-04-01	39.4331983805668
2012-05-01	39.2220421393841
2012-06-01	39.7082658022690
2012-07-01	39.9026763990268
2012-08-01	39.9511798209927
2012-09-01	39.4136807817590
2012-10-01	39.1375101708706
2012-11-01	38.6308068459658
2012-12-01	37.4388254486134
2013-01-01	37.2549019607843
2013-02-01	37.4795417348609
2013-03-01	37.0400654129190
2013-04-01	40.8979591836735
2013-05-01	41.1764705882353
2013-06-01	40.5714285714286
2013-07-01	40.2948402948403
2013-08-01	40.8866995073892
2013-09-01	39.7867104183757
2013-10-01	39.3765381460213
2013-11-01	39.9014778325123
2013-12-01	39.4412489728841
2014-01-01	37.3563218390805
2014-02-01	38.3539094650206
2014-03-01	38.5502471169687
2014-04-01	40.8566721581549
2014-05-01	41.4814814814815
2014-06-01	41.0699588477366
2014-07-01	40.8717105263158
2014-08-01	41.2541254125413
2014-09-01	41.3025556471558
2014-10-01	39.6039603960396
2014-11-01	39.5214521452145
2014-12-01	40.2972749793559
2015-01-01	37.7374071015690
2015-02-01	37.4689826302730
2015-03-01	37.8199834847234
2015-04-01	41.5359207266722
2015-05-01	41.7147568013190
2015-06-01	41.5156507413509
2015-07-01	40.5450041288192
2015-08-01	40.6456953642384
2015-09-01	41.0891089108911
2015-10-01	41.2056151940545
2015-11-01	41.3366336633663
2015-12-01	40.9727947238252
2016-01-01	40.1483924154988
2016-02-01	39.5867768595041
2016-03-01	39.4888705688376
2016-04-01	43.1162407254740
2016-05-01	42.9983525535420
2016-06-01	44.0329218106996
2016-07-01	42.9629629629630
2016-08-01	42.8571428571429
2016-09-01	42.9513602638087
2016-10-01	43.4567901234568
2016-11-01	42.0576131687243
2016-12-01	42.5041186161450
2017-01-01	41.5573770491803
2017-02-01	39.9014778325123
2017-03-01	39.4909688013136
2017-04-01	43.4426229508197
2017-05-01	43.7806873977087
2017-06-01	44.6355446355446
2017-07-01	44.3535188216039
2017-08-01	43.5139573070608
2017-09-01	42.9975429975430
2017-10-01	42.6001635322976
2017-11-01	41.7348608837971
2017-12-01	42.7518427518428
2018-01-01	43.5708435708436
2018-02-01	42.9508196721311
2018-03-01	43.5245901639344
2018-04-01	45.9525756336876
2018-05-01	47.1790678659035
2018-06-01	47.9183673469388
2018-07-01	47.4285714285714
2018-08-01	46.8852459016393
2018-09-01	45.7446808510638