Month	Percent
1968-01-01	53.8613861386139
1968-02-01	53.6174430128840
1968-03-01	58.7128712871287
1968-04-01	60.1585728444004
1968-05-01	60.6930693069307
1968-06-01	61.2871287128713
1968-07-01	61.4624505928854
1968-08-01	59.9009900990099
1968-09-01	58.1764122893954
1968-10-01	58.5728444003964
1968-11-01	57.4975173783515
1968-12-01	55.8648111332008
1969-01-01	53.7313432835821
1969-02-01	53.0348258706468
1969-03-01	57.3852295409182
1969-04-01	59.2000000000000
1969-05-01	59.4405594405594
1969-06-01	59.3406593406593
1969-07-01	60.1398601398601
1969-08-01	58.4830339321357
1969-09-01	56.9430569430570
1969-10-01	56.9430569430570
1969-11-01	56.2874251497006
1969-12-01	55.6331006979063
1970-01-01	53.5393818544367
1970-02-01	53.2402791625125
1970-03-01	58.4079601990050
1970-04-01	59.4029850746269
1970-05-01	59.6822244289970
1970-06-01	59.4836146971202
1970-07-01	60.6150793650794
1970-08-01	58.9692765113974
1970-09-01	58.1602373887240
1970-10-01	57.1569595261599
1970-11-01	56.7193675889328
1970-12-01	56.8743818001978
1971-01-01	55.9723593287266
1971-02-01	56.5088757396450
1971-03-01	59.4302554027505
1971-04-01	60.9206660137120
1971-05-01	62.7815866797258
1971-06-01	61.4705882352941
1971-07-01	60.9803921568627
1971-08-01	59.9803343166175
1971-09-01	58.6037364798427
1971-10-01	58.1854043392505
1971-11-01	57.7075098814229
1971-12-01	57.6388888888889
1972-01-01	56.1316051844467
1972-02-01	56.3008130081301
1972-03-01	58.7576374745418
1972-04-01	59.8569969356486
1972-05-01	59.5701125895599
1972-06-01	59.6923076923077
1972-07-01	59.9182004089980
1972-08-01	58.3589743589744
1972-09-01	58.1443298969072
1972-10-01	56.7567567567568
1972-11-01	55.1616266944734
1972-12-01	55.3347280334728
1973-01-01	53.5226077812829
1973-02-01	53.5940803382664
1973-03-01	55.4612937433722
1973-04-01	57.6595744680851
1973-05-01	58.1196581196581
1973-06-01	57.5562700964630
1973-07-01	58.2346609257266
1973-08-01	56.3106796116505
1973-09-01	54.7619047619048
1973-10-01	54.2299349240781
1973-11-01	53.4276387377584
1973-12-01	52.7292576419214
1974-01-01	50.8771929824561
1974-02-01	51.2651265126513
1974-03-01	54.9778761061947
1974-04-01	55.6541019955654
1974-05-01	55.6666666666667
1974-06-01	54.7884187082405
1974-07-01	54.3721973094170
1974-08-01	52.9741863075196
1974-09-01	52.2522522522523
1974-10-01	52.2624434389140
1974-11-01	51.0783200908059
1974-12-01	50.1138952164009
1975-01-01	48.2285714285714
1975-02-01	47.8211009174312
1975-03-01	50.1726121979286
1975-04-01	51.6166281755196
1975-05-01	52.2543352601156
1975-06-01	50.0000000000000
1975-07-01	51.3921113689095
1975-08-01	50.2910360884750
1975-09-01	49.7082847141190
1975-10-01	50.6417736289382
1975-11-01	50.1758499413834
1975-12-01	50.5882352941176
1976-01-01	48.5276796230860
1976-02-01	47.6359338061466
1976-03-01	50.1184834123223
1976-04-01	50.1187648456057
1976-05-01	48.8730723606168
1976-06-01	49.2874109263658
1976-07-01	49.3428912783752
1976-08-01	48.8066825775656
1976-09-01	48.1525625744934
1976-10-01	46.0526315789474
1976-11-01	46.6507177033493
1976-12-01	46.8824940047962
1977-01-01	44.4043321299639
1977-02-01	44.1495778045838
1977-03-01	47.8208232445521
1977-04-01	46.6666666666667
1977-05-01	46.4242424242424
1977-06-01	47.2087378640777
1977-07-01	47.5030450669915
1977-08-01	46.9512195121951
1977-09-01	46.5286236297198
1977-10-01	44.0243902439024
1977-11-01	44.7560975609756
1977-12-01	45.1770451770452
1978-01-01	43.1013431013431
1978-02-01	43.0844553243574
1978-03-01	45.8895705521472
1978-04-01	48.0981595092025
1978-05-01	48.2843137254902
1978-06-01	46.9362745098039
1978-07-01	46.0122699386503
1978-08-01	44.4717444717445
1978-09-01	43.9114391143911
1978-10-01	43.6117936117936
1978-11-01	43.3128834355828
1978-12-01	43.1734317343173
1979-01-01	41.2054120541205
1979-02-01	41.2054120541205
1979-03-01	43.4194341943419
1979-04-01	44.9631449631450
1979-05-01	46.5030674846626
1979-06-01	47.1165644171779
1979-07-01	46.6830466830467
1979-08-01	44.8954489544895
1979-09-01	42.0858895705522
1979-10-01	43.4355828220859
1979-11-01	42.6993865030675
1979-12-01	42.5948592411261
1980-01-01	40.9313725490196
1980-02-01	39.4348894348894
1980-03-01	42.5766871165644
1980-04-01	43.6274509803922
1980-05-01	44.1320293398533
1980-06-01	45.2991452991453
1980-07-01	45.2322738386308
1980-08-01	43.7118437118437
1980-09-01	42.6488456865128
1980-10-01	42.8398058252427
1980-11-01	42.5970873786408
1980-12-01	42.8398058252427
1981-01-01	41.0692588092345
1981-02-01	40.4878048780488
1981-03-01	43.4676434676435
1981-04-01	45.0549450549451
1981-05-01	44.7980416156671
1981-06-01	46.3235294117647
1981-07-01	45.8895705521472
1981-08-01	44.2260442260442
1981-09-01	42.7518427518428
1981-10-01	42.3832923832924
1981-11-01	42.7518427518428
1981-12-01	41.9631901840491
1982-01-01	40.0000000000000
1982-02-01	40.0000000000000
1982-03-01	43.0317848410758
1982-04-01	46.0880195599022
1982-05-01	45.6097560975610
1982-06-01	44.2822384428224
1982-07-01	44.4579780755177
1982-08-01	43.8787878787879
1982-09-01	43.0471584038694
1982-10-01	43.0120481927711
1982-11-01	43.5619735258724
1982-12-01	43.7500000000000
1983-01-01	42.0673076923077
1983-02-01	41.7767106842737
1983-03-01	43.7649880095923
1983-04-01	45.9232613908873
1983-05-01	46.5868263473054
1983-06-01	46.5393794749403
1983-07-01	45.4112038140644
1983-08-01	43.9952437574316
1983-09-01	43.2977461447212
1983-10-01	43.3136094674556
1983-11-01	43.3806146572104
1983-12-01	42.9752066115702
1984-01-01	41.6075650118203
1984-02-01	41.2322274881517
1984-03-01	42.0803782505910
1984-04-01	45.2296819787986
1984-05-01	45.4117647058824
1984-06-01	45.0175849941383
1984-07-01	44.1451990632318
1984-08-01	43.6406067677946
1984-09-01	43.9393939393939
1984-10-01	43.2558139534884
1984-11-01	42.6744186046512
1984-12-01	42.9234338747100
1985-01-01	40.7407407407407
1985-02-01	40.2085747392816
1985-03-01	41.9953596287703
1985-04-01	43.9953810623557
1985-05-01	44.2396313364055
1985-06-01	44.0229885057471
1985-07-01	44.1379310344828
1985-08-01	43.1350114416476
1985-09-01	42.6453819840365
1985-10-01	42.3690205011390
1985-11-01	42.5483503981798
1985-12-01	41.9977298524404
1986-01-01	40.4086265607264
1986-02-01	40.0226757369615
1986-03-01	42.0338983050848
1986-04-01	44.6327683615819
1986-05-01	44.4819819819820
1986-06-01	44.4943820224719
1986-07-01	44.6689113355780
1986-08-01	43.4636871508380
1986-09-01	42.5863991081382
1986-10-01	42.6666666666667
1986-11-01	42.7937915742794
1986-12-01	41.3525498891353
1987-01-01	39.4006659267481
1987-02-01	39.3333333333333
1987-03-01	41.9247787610619
1987-04-01	44.3708609271523
1987-05-01	43.9560439560440
1987-06-01	44.0306681270537
1987-07-01	44.0919037199125
1987-08-01	43.9476553980371
1987-09-01	42.2657952069717
1987-10-01	41.6938110749186
1987-11-01	42.3160173160173
1987-12-01	41.5766738660907
1988-01-01	39.1585760517799
1988-02-01	38.2702702702703
1988-03-01	41.2715517241379
1988-04-01	44.5161290322581
1988-05-01	44.5278969957082
1988-06-01	44.7537473233405
1988-07-01	43.8034188034188
1988-08-01	43.0703624733476
1988-09-01	41.6755037115589
1988-10-01	41.6313559322034
1988-11-01	42.2832980972516
1988-12-01	41.7721518987342
1989-01-01	39.3459915611814
1989-02-01	39.3459915611814
1989-03-01	41.4300736067298
1989-04-01	44.5378151260504
1989-05-01	44.1176470588235
1989-06-01	44.4560669456067
1989-07-01	44.3514644351464
1989-08-01	43.1106471816284
1989-09-01	41.9354838709677
1989-10-01	42.4714434060228
1989-11-01	42.9906542056075
1989-12-01	42.3236514522822
1990-01-01	39.8963730569948
1990-02-01	40.4365904365904
1990-03-01	42.0560747663551
1990-04-01	44.5595854922280
1990-05-01	45.9152016546019
1990-06-01	45.5015511892451
1990-07-01	45.4356846473029
1990-08-01	43.7435367114788
1990-09-01	44.0660474716202
1990-10-01	44.9844881075491
1990-11-01	43.8016528925620
1990-12-01	43.5950413223140
1991-01-01	41.5463917525773
1991-02-01	41.1157024793388
1991-03-01	44.6502057613169
1991-04-01	45.9570112589560
1991-05-01	46.9928644240571
1991-06-01	47.7110885045778
1991-07-01	47.4593495934959
1991-08-01	46.5045592705167
1991-09-01	46.2159434914228
1991-10-01	45.5095862764884
1991-11-01	45.4086781029263
1991-12-01	45.0050454086781
1992-01-01	43.2487309644670
1992-02-01	44.0936863543788
1992-03-01	45.6211812627291
1992-04-01	48.3180428134557
1992-05-01	47.9633401221996
1992-06-01	47.0468431771894
1992-07-01	49.0816326530612
1992-08-01	48.2161060142712
1992-09-01	46.6395112016293
1992-10-01	47.1486761710794
1992-11-01	47.3041709053917
1992-12-01	46.7889908256881
1993-01-01	43.9223697650664
1993-02-01	44.5240532241556
1993-03-01	46.7824310520940
1993-04-01	48.5685071574642
1993-05-01	48.7730061349693
1993-06-01	48.4662576687117
1993-07-01	50.0000000000000
1993-08-01	48.6680327868852
1993-09-01	46.8781985670420
1993-10-01	48.7704918032787
1993-11-01	48.5128205128205
1993-12-01	48.1025641025641
1994-01-01	45.4825462012320
1994-02-01	44.9380165289256
1994-03-01	46.9556243550052
1994-04-01	49.6388028895769
1994-05-01	49.8966942148760
1994-06-01	49.3292053663571
1994-07-01	50.0518134715026
1994-08-01	49.5850622406639
1994-09-01	48.0331262939959
1994-10-01	47.9792746113990
1994-11-01	48.2365145228216
1994-12-01	47.3520249221184
1995-01-01	45.9937565036420
1995-02-01	45.2455590386625
1995-03-01	46.7573221757322
1995-04-01	48.8493723849372
1995-05-01	48.9005235602094
1995-06-01	49.3710691823899
1995-07-01	50.3157894736842
1995-08-01	49.5258166491043
1995-09-01	48.2613277133825
1995-10-01	48.4720758693361
1995-11-01	48.3632523759240
1995-12-01	46.9841269841270
1996-01-01	46.8716861081654
1996-02-01	46.9083155650320
1996-03-01	47.5479744136460
1996-04-01	50.0533617929562
1996-05-01	50.2136752136752
1996-06-01	50.8038585209003
1996-07-01	50.5920344456405
1996-08-01	50.2696871628910
1996-09-01	49.2988133764833
1996-10-01	48.4324324324324
1996-11-01	48.1561822125813
1996-12-01	49.0770901194354
1997-01-01	47.8688524590164
1997-02-01	46.9230769230769
1997-03-01	48.4615384615385
1997-04-01	50.0550055005500
1997-05-01	51.4317180616740
1997-06-01	51.3245033112583
1997-07-01	51.2763596004440
1997-08-01	50.6131549609810
1997-09-01	49.9443826473860
1997-10-01	49.2753623188406
1997-11-01	48.1564245810056
1997-12-01	48.3221476510067
1998-01-01	46.2921348314607
1998-02-01	45.8239277652370
1998-03-01	47.9683972911964
1998-04-01	49.6045197740113
1998-05-01	50.4535147392290
1998-06-01	50.7377979568672
1998-07-01	50.1710376282782
1998-08-01	49.8855835240275
1998-09-01	49.4845360824742
1998-10-01	49.6559633027523
1998-11-01	48.9067894131185
1998-12-01	48.0968858131488
1999-01-01	46.7052023121387
1999-02-01	45.5813953488372
1999-03-01	46.9767441860465
1999-04-01	48.6013986013986
1999-05-01	49.9415204678363
1999-06-01	50.2341920374707
1999-07-01	48.9988221436985
1999-08-01	48.5849056603774
1999-09-01	47.2813238770686
1999-10-01	46.8009478672986
1999-11-01	46.7300832342449
1999-12-01	47.6190476190476
2000-01-01	45.2267303102625
2000-02-01	44.3645083932854
2000-03-01	46.9387755102041
2000-04-01	48.4412470023981
2000-05-01	50.2409638554217
2000-06-01	49.3365500603136
2000-07-01	48.4848484848485
2000-08-01	47.9951397326853
2000-09-01	46.3503649635036
2000-10-01	47.0802919708029
2000-11-01	47.8048780487805
2000-12-01	46.9437652811736
2001-01-01	44.5398773006135
2001-02-01	43.6498150431566
2001-03-01	45.7459926017263
2001-04-01	48.7654320987654
2001-05-01	49.4437577255872
2001-06-01	48.2032218091698
2001-07-01	48.2543640897756
2001-08-01	48.2500000000000
2001-09-01	45.3750000000000
2001-10-01	45.5569461827284
2001-11-01	46.1055276381910
2001-12-01	45.3517587939698
2002-01-01	43.5606060606061
2002-02-01	43.7102922490470
2002-03-01	45.9974587039390
2002-04-01	48.1575603557814
2002-05-01	47.3214285714286
2002-06-01	46.9387755102041
2002-07-01	47.6982097186701
2002-08-01	49.0372272143774
2002-09-01	46.2130937098845
2002-10-01	45.5598455598456
2002-11-01	44.4587628865979
2002-12-01	44.3152454780362
2003-01-01	43.2816537467700
2003-02-01	43.5630689206762
2003-03-01	45.4545454545455
2003-04-01	47.3342002600780
2003-05-01	47.6501305483029
2003-06-01	46.1437908496732
2003-07-01	45.1443569553806
2003-08-01	46.0526315789474
2003-09-01	45.4664914586071
2003-10-01	44.7368421052632
2003-11-01	44.6640316205534
2003-12-01	43.8410596026490
2004-01-01	41.7771883289125
2004-02-01	41.2000000000000
2004-03-01	43.0093209054594
2004-04-01	45.8055925432756
2004-05-01	45.3938584779706
2004-06-01	44.3699731903485
2004-07-01	45.2956989247312
2004-08-01	45.9568733153639
2004-09-01	44.7297297297297
2004-10-01	44.9255751014885
2004-11-01	44.1734417344173
2004-12-01	44.0217391304348
2005-01-01	41.2806539509537
2005-02-01	40.4924760601915
2005-03-01	42.2708618331053
2005-04-01	44.9315068493151
2005-05-01	44.7945205479452
2005-06-01	45.3296703296703
2005-07-01	45.7931034482759
2005-08-01	45.5678670360111
2005-09-01	45.9833795013850
2005-10-01	45.8448753462604
2005-11-01	45.8333333333333
2005-12-01	45.5431754874652
2006-01-01	42.8969359331476
2006-02-01	42.7170868347339
2006-03-01	43.6185133239832
2006-04-01	46.0028050490884
2006-05-01	45.9269662921348
2006-06-01	45.7102672292546
2006-07-01	44.5698166431594
2006-08-01	45.9688826025460
2006-09-01	45.6859971711457
2006-10-01	45.5319148936170
2006-11-01	44.0340909090909
2006-12-01	43.1009957325747
2007-01-01	41.9170243204578
2007-02-01	42.6724137931034
2007-03-01	44.2528735632184
2007-04-01	47.8448275862069
2007-05-01	47.4892395982783
2007-06-01	47.1942446043165
2007-07-01	45.1659451659452
2007-08-01	45.0072358900145
2007-09-01	45.4413892908828
2007-10-01	45.4413892908828
2007-11-01	44.7024673439768
2007-12-01	42.7947598253275
2008-01-01	40.2332361516035
2008-02-01	41.0818713450292
2008-03-01	42.6686217008798
2008-04-01	46.1876832844575
2008-05-01	47.7239353891336
2008-06-01	45.8149779735683
2008-07-01	44.3952802359882
2008-08-01	46.8242245199409
2008-09-01	45.1183431952663
2008-10-01	44.4444444444444
2008-11-01	44.4279346210996
2008-12-01	42.8571428571429
2009-01-01	40.8955223880597
2009-02-01	40.7462686567164
2009-03-01	41.3173652694611
2009-04-01	44.2451420029895
2009-05-01	45.8083832335329
2009-06-01	44.2942942942943
2009-07-01	43.2228915662651
2009-08-01	43.7405731523379
2009-09-01	42.6847662141780
2009-10-01	42.3600605143722
2009-11-01	41.3636363636364
2009-12-01	40.1215805471125
2010-01-01	39.7260273972603
2010-02-01	39.3893129770992
2010-03-01	41.7431192660550
2010-04-01	43.0321592649311
2010-05-01	43.4915773353752
2010-06-01	43.7978560490046
2010-07-01	42.4615384615385
2010-08-01	43.2098765432099
2010-09-01	42.2600619195046
2010-10-01	42.4148606811146
2010-11-01	41.4330218068536
2010-12-01	40.9937888198758
2011-01-01	38.7850467289720
2011-02-01	38.6292834890966
2011-03-01	41.2420382165605
2011-04-01	44.7452229299363
2011-05-01	44.6400000000000
2011-06-01	44.7833065810594
2011-07-01	43.5897435897436
2011-08-01	42.9032258064516
2011-09-01	41.3522012578616
2011-10-01	41.2598425196850
2011-11-01	41.0094637223975
2011-12-01	40.9448818897638
2012-01-01	39.2744479495268
2012-02-01	39.3364928909953
2012-03-01	39.5569620253165
2012-04-01	43.1962025316456
2012-05-01	42.9477020602219
2012-06-01	42.9477020602219
2012-07-01	42.9477020602219
2012-08-01	42.3809523809524
2012-09-01	42.1303656597774
2012-10-01	42.6073131955485
2012-11-01	41.1764705882353
2012-12-01	39.4276629570747
2013-01-01	39.9681528662420
2013-02-01	39.6166134185304
2013-03-01	39.7763578274760
2013-04-01	43.6800000000000
2013-05-01	43.8400000000000
2013-06-01	42.8800000000000
2013-07-01	42.3076923076923
2013-08-01	43.8906752411576
2013-09-01	41.9200000000000
2013-10-01	40.7704654895666
2013-11-01	41.6666666666667
2013-12-01	39.9038461538462
2014-01-01	39.1653290529695
2014-02-01	40.0321543408360
2014-03-01	41.4790996784566
2014-04-01	43.4083601286174
2014-05-01	44.0514469453376
2014-06-01	43.4083601286174
2014-07-01	42.6045016077170
2014-08-01	43.7802907915994
2014-09-01	43.8003220611916
2014-10-01	41.5458937198068
2014-11-01	41.5458937198068
2014-12-01	41.2238325281804
2015-01-01	40.0966183574879
2015-02-01	40.3225806451613
2015-03-01	40.9017713365539
2015-04-01	42.7419354838710
2015-05-01	43.4782608695652
2015-06-01	42.9951690821256
2015-07-01	41.7741935483871
2015-08-01	43.1340872374798
2015-09-01	43.6392914653784
2015-10-01	44.1223832528180
2015-11-01	43.7299035369775
2015-12-01	41.9614147909968
2016-01-01	40.7704654895666
2016-02-01	41.7069243156200
2016-03-01	42.6045016077170
2016-04-01	45.8199356913183
2016-05-01	46.2279293739968
2016-06-01	46.7948717948718
2016-07-01	44.3910256410256
2016-08-01	44.3729903536978
2016-09-01	44.8553054662379
2016-10-01	46.3141025641026
2016-11-01	44.0705128205128
2016-12-01	44.3910256410256
2017-01-01	43.1309904153355
2017-02-01	40.7348242811502
2017-03-01	41.6267942583732
2017-04-01	45.7735247208931
2017-05-01	46.6560509554140
2017-06-01	46.8152866242038
2017-07-01	45.9459459459459
2017-08-01	44.6570972886762
2017-09-01	44.4267515923567
2017-10-01	44.0381558028617
2017-11-01	42.8343949044586
2017-12-01	44.4267515923567
2018-01-01	44.5859872611465
2018-02-01	43.3121019108280
2018-03-01	43.7898089171975
2018-04-01	46.8998410174881
2018-05-01	48.9666136724960
2018-06-01	49.4453248811410
2018-07-01	48.0952380952381
2018-08-01	48.0063795853270
2018-09-01	46.8998410174881