Month	Percent
1968-01-01	61.3861386138614
1968-02-01	61.9753086419753
1968-03-01	57.0024570024570
1968-04-01	53.6764705882353
1968-05-01	52.2058823529412
1968-06-01	52.0782396088020
1968-07-01	52.1951219512195
1968-08-01	51.0948905109489
1968-09-01	51.9417475728155
1968-10-01	53.5108958837772
1968-11-01	54.5893719806763
1968-12-01	57.7294685990338
1969-01-01	60.4316546762590
1969-02-01	59.5693779904306
1969-03-01	56.6666666666667
1969-04-01	53.4441805225653
1969-05-01	51.1848341232228
1969-06-01	52.0094562647754
1969-07-01	53.1914893617021
1969-08-01	53.3018867924528
1969-09-01	52.5821596244131
1969-10-01	52.9274004683841
1969-11-01	56.4402810304450
1969-12-01	59.8130841121495
1970-01-01	60.4651162790698
1970-02-01	59.6287703016241
1970-03-01	57.8703703703704
1970-04-01	54.8387096774194
1970-05-01	52.9953917050691
1970-06-01	50.8045977011494
1970-07-01	51.8348623853211
1970-08-01	54.4622425629291
1970-09-01	52.9680365296804
1970-10-01	54.4419134396355
1970-11-01	57.1428571428572
1970-12-01	59.6371882086168
1971-01-01	60.6334841628959
1971-02-01	61.0360360360360
1971-03-01	58.3892617449664
1971-04-01	54.8098434004474
1971-05-01	52.2321428571429
1971-06-01	50.8888888888889
1971-07-01	52.4444444444444
1971-08-01	53.6585365853658
1971-09-01	52.0971302428256
1971-10-01	50.7726269315673
1971-11-01	54.5253863134658
1971-12-01	59.4713656387665
1972-01-01	61.3186813186813
1972-02-01	62.1145374449339
1972-03-01	58.9912280701754
1972-04-01	55.1422319474836
1972-05-01	53.7117903930131
1972-06-01	54.8245614035088
1972-07-01	53.7960954446855
1972-08-01	53.8961038961039
1972-09-01	54.5454545454545
1972-10-01	53.2327586206897
1972-11-01	56.5591397849462
1972-12-01	58.4946236559140
1973-01-01	58.5836909871245
1973-02-01	59.4017094017094
1973-03-01	57.3560767590618
1973-04-01	55.1063829787234
1973-05-01	55.4140127388535
1973-06-01	53.8135593220339
1973-07-01	53.1779661016949
1973-08-01	54.4491525423729
1973-09-01	54.5454545454545
1973-10-01	52.0084566596194
1973-11-01	53.9112050739958
1973-12-01	57.8059071729958
1974-01-01	60.0000000000000
1974-02-01	59.5789473684210
1974-03-01	57.8947368421053
1974-04-01	54.8319327731092
1974-05-01	54.2016806722689
1974-06-01	53.7815126050420
1974-07-01	53.9915966386555
1974-08-01	54.9266247379455
1974-09-01	54.9060542797495
1974-10-01	54.2797494780793
1974-11-01	57.7083333333333
1974-12-01	59.2515592515592
1975-01-01	60.7438016528926
1975-02-01	61.0309278350516
1975-03-01	58.3162217659138
1975-04-01	55.8521560574949
1975-05-01	53.4836065573770
1975-06-01	53.7832310838446
1975-07-01	52.8571428571429
1975-08-01	53.5641547861507
1975-09-01	54.8780487804878
1975-10-01	55.1724137931034
1975-11-01	57.1717171717172
1975-12-01	59.4758064516129
1976-01-01	60.3621730382294
1976-02-01	60.9657947686117
1976-03-01	58.1488933601610
1976-04-01	55.0000000000000
1976-05-01	53.6926147704591
1976-06-01	54.2914171656687
1976-07-01	53.3864541832669
1976-08-01	53.1872509960159
1976-09-01	52.5793650793651
1976-10-01	54.0594059405941
1976-11-01	56.4356435643564
1976-12-01	58.1027667984190
1977-01-01	60.4330708661417
1977-02-01	60.6299212598425
1977-03-01	58.5937500000000
1977-04-01	55.6640625000000
1977-05-01	53.2163742690058
1977-06-01	52.8265107212476
1977-07-01	53.5922330097087
1977-08-01	52.8046421663443
1977-09-01	52.4177949709865
1977-10-01	54.0540540540541
1977-11-01	54.9132947976879
1977-12-01	56.1538461538462
1978-01-01	59.1954022988506
1978-02-01	59.4646271510516
1978-03-01	57.2519083969466
1978-04-01	54.6666666666667
1978-05-01	51.5209125475285
1978-06-01	51.4231499051233
1978-07-01	53.4090909090909
1978-08-01	52.1739130434783
1978-09-01	51.5094339622642
1978-10-01	53.2956685499058
1978-11-01	54.3233082706767
1978-12-01	56.3909774436090
1979-01-01	58.2397003745318
1979-02-01	58.8785046728972
1979-03-01	56.8773234200744
1979-04-01	54.0892193308550
1979-05-01	51.7625231910946
1979-06-01	51.6666666666667
1979-07-01	52.1256931608133
1979-08-01	51.9408502772643
1979-09-01	52.7675276752768
1979-10-01	52.9411764705882
1979-11-01	54.8623853211009
1979-12-01	56.9597069597070
1980-01-01	59.4545454545454
1980-02-01	59.0909090909091
1980-03-01	55.8770343580470
1980-04-01	52.2522522522523
1980-05-01	52.2522522522523
1980-06-01	51.2589928057554
1980-07-01	51.2544802867384
1980-08-01	51.6994633273703
1980-09-01	52.6785714285714
1980-10-01	54.0925266903915
1980-11-01	55.7726465364121
1980-12-01	58.0530973451327
1981-01-01	59.6119929453263
1981-02-01	59.5782073813708
1981-03-01	57.9684763572680
1981-04-01	53.9267015706806
1981-05-01	53.0434782608696
1981-06-01	52.6041666666667
1981-07-01	53.2871972318339
1981-08-01	52.8497409326425
1981-09-01	53.0224525043178
1981-10-01	53.8726333907057
1981-11-01	55.1546391752577
1981-12-01	57.1183533447684
1982-01-01	59.6938775510204
1982-02-01	58.6440677966102
1982-03-01	55.9121621621622
1982-04-01	53.7942664418212
1982-05-01	51.4285714285714
1982-06-01	52.1812080536913
1982-07-01	53.0201342281879
1982-08-01	53.0100334448160
1982-09-01	54.4240400667780
1982-10-01	54.2429284525790
1982-11-01	55.1495016611296
1982-12-01	56.9536423841060
1983-01-01	57.7557755775578
1983-02-01	56.6502463054187
1983-03-01	55.4828150572831
1983-04-01	53.9215686274510
1983-05-01	51.6286644951140
1983-06-01	51.2987012987013
1983-07-01	52.0259319286872
1983-08-01	52.2580645161290
1983-09-01	51.3687600644122
1983-10-01	52.2435897435897
1983-11-01	53.8338658146965
1983-12-01	56.6188197767145
1984-01-01	59.5879556259905
1984-02-01	58.4518167456556
1984-03-01	55.7480314960630
1984-04-01	53.4591194968553
1984-05-01	52.9780564263323
1984-06-01	52.1875000000000
1984-07-01	53.1981279251170
1984-08-01	53.8102643856921
1984-09-01	52.9411764705882
1984-10-01	52.8682170542636
1984-11-01	55.1083591331269
1984-12-01	57.8052550231839
1985-01-01	58.8597842835131
1985-02-01	58.2181259600614
1985-03-01	55.6748466257669
1985-04-01	52.7607361963190
1985-05-01	51.5290519877676
1985-06-01	51.6819571865443
1985-07-01	52.8244274809160
1985-08-01	53.0487804878049
1985-09-01	52.8072837632777
1985-10-01	53.4142640364188
1985-11-01	55.9757942511346
1985-12-01	57.7912254160363
1986-01-01	59.1251885369532
1986-02-01	59.2203898050974
1986-03-01	56.9506726457399
1986-04-01	55.2083333333333
1986-05-01	54.1666666666667
1986-06-01	52.4517087667162
1986-07-01	53.1851851851852
1986-08-01	54.0620384047267
1986-09-01	52.8718703976436
1986-10-01	52.8718703976436
1986-11-01	55.3597650513950
1986-12-01	56.6813509544787
1987-01-01	58.2723279648609
1987-02-01	58.1871345029240
1987-03-01	57.0596797671034
1987-04-01	55.3779069767442
1987-05-01	52.8985507246377
1987-06-01	52.6011560693642
1987-07-01	53.6796536796537
1987-08-01	53.8129496402878
1987-09-01	52.8057553956835
1987-10-01	52.5787965616046
1987-11-01	54.4935805991441
1987-12-01	56.0627674750357
1988-01-01	56.8794326241135
1988-02-01	58.0736543909348
1988-03-01	55.8698727015559
1988-04-01	54.0960451977401
1988-05-01	53.0985915492958
1988-06-01	53.0985915492958
1988-07-01	53.6619718309859
1988-08-01	53.5112359550562
1988-09-01	52.3809523809524
1988-10-01	53.0069930069930
1988-11-01	55.5865921787710
1988-12-01	56.5642458100559
1989-01-01	57.0432357043236
1989-02-01	57.3018080667594
1989-03-01	55.0000000000000
1989-04-01	53.0470914127424
1989-05-01	52.4861878453039
1989-06-01	52.6170798898072
1989-07-01	52.6822558459422
1989-08-01	52.6822558459422
1989-09-01	52.3351648351648
1989-10-01	52.8120713305898
1989-11-01	53.6986301369863
1989-12-01	54.5953360768176
1990-01-01	56.8306010928962
1990-02-01	56.2670299727520
1990-03-01	53.7414965986395
1990-04-01	51.4945652173913
1990-05-01	50.8819538670285
1990-06-01	51.0840108401084
1990-07-01	49.9323410013532
1990-08-01	51.2162162162162
1990-09-01	52.0215633423181
1990-10-01	52.0161290322581
1990-11-01	52.9490616621984
1990-12-01	53.7533512064343
1991-01-01	54.5333333333333
1991-02-01	55.0531914893617
1991-03-01	52.7925531914894
1991-04-01	50.5992010652463
1991-05-01	50.3989361702128
1991-06-01	49.1367861885790
1991-07-01	48.8741721854305
1991-08-01	49.0066225165563
1991-09-01	49.9339498018494
1991-10-01	50.6596306068602
1991-11-01	51.9154557463672
1991-12-01	52.9722589167768
1992-01-01	53.7450722733246
1992-02-01	52.8871391076115
1992-03-01	52.4246395806029
1992-04-01	52.4183006535948
1992-05-01	51.5665796344648
1992-06-01	49.4132985658409
1992-07-01	50.1302083333333
1992-08-01	49.9349804941482
1992-09-01	49.8054474708171
1992-10-01	50.9067357512953
1992-11-01	51.2289780077620
1992-12-01	52.0671834625323
1993-01-01	53.9253539253539
1993-02-01	53.0848329048843
1993-03-01	51.6709511568123
1993-04-01	51.4762516046213
1993-05-01	49.5507060333761
1993-06-01	49.2939666238768
1993-07-01	49.6790757381258
1993-08-01	49.9358151476252
1993-09-01	50.5776636713736
1993-10-01	51.2195121951220
1993-11-01	52.3136246786632
1993-12-01	52.5096525096525
1994-01-01	53.2051282051282
1994-02-01	54.3003851091142
1994-03-01	52.8277634961440
1994-04-01	50.8365508365508
1994-05-01	50.6426735218509
1994-06-01	50.1930501930502
1994-07-01	50.4504504504505
1994-08-01	50.2570694087404
1994-09-01	51.7329910141207
1994-10-01	52.5641025641026
1994-11-01	52.6248399487836
1994-12-01	52.4358974358974
1995-01-01	53.2567049808429
1995-02-01	54.2784163473819
1995-03-01	51.8518518518519
1995-04-01	49.7448979591837
1995-05-01	50.0636942675159
1995-06-01	50.3816793893130
1995-07-01	50.6988564167726
1995-08-01	50.5076142131980
1995-09-01	49.6831432192649
1995-10-01	51.3924050632911
1995-11-01	52.2123893805310
1995-12-01	52.7180783817952
1996-01-01	53.7783375314861
1996-02-01	55.0377833753149
1996-03-01	53.4005037783375
1996-04-01	51.1949685534591
1996-05-01	50.2512562814070
1996-06-01	49.4353826850690
1996-07-01	49.4367959949937
1996-08-01	49.9375780274657
1996-09-01	49.7506234413965
1996-10-01	50.2487562189055
1996-11-01	50.6188118811881
1996-12-01	51.9801980198020
1997-01-01	53.0712530712531
1997-02-01	53.0061349693252
1997-03-01	52.0245398773006
1997-04-01	50.8578431372549
1997-05-01	49.6323529411765
1997-06-01	49.2044063647491
1997-07-01	48.4737484737485
1997-08-01	48.8400488400488
1997-09-01	50.1827040194884
1997-10-01	48.9051094890511
1997-11-01	50.0000000000000
1997-12-01	51.7031630170316
1998-01-01	51.8833535844471
1998-02-01	52.4271844660194
1998-03-01	51.2135922330097
1998-04-01	50.1818181818182
1998-05-01	48.6650485436893
1998-06-01	49.2121212121212
1998-07-01	48.7922705314010
1998-08-01	48.3754512635379
1998-09-01	48.7364620938628
1998-10-01	48.8595438175270
1998-11-01	50.7784431137725
1998-12-01	51.8562874251497
1999-01-01	52.2102747909200
1999-02-01	52.0858164481526
1999-03-01	50.8939213349225
1999-04-01	49.7027348394768
1999-05-01	48.5748218527316
1999-06-01	49.2289442467378
1999-07-01	48.9361702127660
1999-08-01	48.5815602836879
1999-09-01	48.6422668240850
1999-10-01	49.4103773584906
1999-11-01	50.3537735849057
1999-12-01	51.2971698113208
2000-01-01	51.5976331360947
2000-02-01	51.7772511848341
2000-03-01	51.7200474495848
2000-04-01	50.2369668246446
2000-05-01	49.4661921708185
2000-06-01	49.4661921708185
2000-07-01	49.9406880189798
2000-08-01	49.4061757719715
2000-09-01	48.7514863258026
2000-10-01	48.6904761904762
2000-11-01	50.2986857825568
2000-12-01	52.2102747909200
2001-01-01	51.9855595667870
2001-02-01	51.2665862484922
2001-03-01	51.0895883777240
2001-04-01	50.8495145631068
2001-05-01	50.5467800729040
2001-06-01	50.3640776699029
2001-07-01	50.0606060606061
2001-08-01	50.6650544135429
2001-09-01	50.4830917874396
2001-10-01	49.9398315282792
2001-11-01	50.7803121248499
2001-12-01	52.6946107784431
2002-01-01	52.0858164481526
2002-02-01	51.4898688915376
2002-03-01	51.4285714285714
2002-04-01	52.5564803804994
2002-05-01	51.5402843601896
2002-06-01	49.2907801418440
2002-07-01	49.4131455399061
2002-08-01	50.4093567251462
2002-09-01	50.7584597432906
2002-10-01	50.5226480836237
2002-11-01	51.1627906976744
2002-12-01	52.0881670533643
2003-01-01	51.8475750577367
2003-02-01	51.5535097813579
2003-03-01	50.4587155963303
2003-04-01	50.6864988558352
2003-05-01	51.3667425968109
2003-06-01	49.7732426303855
2003-07-01	50.1128668171558
2003-08-01	50.3937007874016
2003-09-01	49.4949494949495
2003-10-01	49.4419642857143
2003-11-01	50.2780867630701
2003-12-01	50.9977827050998
2004-01-01	51.7660044150110
2004-02-01	51.4851485148515
2004-03-01	50.2188183807440
2004-04-01	48.9640130861505
2004-05-01	49.9457111834962
2004-06-01	49.7830802603037
2004-07-01	49.0280777537797
2004-08-01	49.0322580645161
2004-09-01	48.8745980707396
2004-10-01	48.8794023479189
2004-11-01	50.0532481363152
2004-12-01	50.0000000000000
2005-01-01	49.4167550371156
2005-02-01	50.4761904761905
2005-03-01	50.7936507936508
2005-04-01	49.3136219640972
2005-05-01	48.6286919831224
2005-06-01	48.8935721812434
2005-07-01	48.4752891692955
2005-08-01	48.2180293501048
2005-09-01	47.9035639412998
2005-10-01	49.0585774058577
2005-11-01	49.4252873563218
2005-12-01	49.5297805642633
2006-01-01	49.7387669801463
2006-02-01	49.6350364963504
2006-03-01	49.9478623566215
2006-04-01	49.5307612095933
2006-05-01	47.7580813347237
2006-06-01	47.7083333333333
2006-07-01	48.7500000000000
2006-08-01	48.1789802289282
2006-09-01	47.2916666666667
2006-10-01	47.9666319082377
2006-11-01	47.4947807933194
2006-12-01	47.9623824451411
2007-01-01	48.6992715920916
2007-02-01	48.6486486486486
2007-03-01	48.4911550468262
2007-04-01	48.7525987525988
2007-05-01	47.2972972972973
2007-06-01	46.6251298026999
2007-07-01	47.0893970893971
2007-08-01	46.3617463617464
2007-09-01	46.8328141225338
2007-10-01	46.8262226847034
2007-11-01	46.4099895941727
2007-12-01	47.0893970893971
2008-01-01	47.8170478170478
2008-02-01	48.6992715920916
2008-03-01	47.4452554744526
2008-04-01	46.5067778936392
2008-05-01	45.7768508863399
2008-06-01	45.3597497393118
2008-07-01	46.1458333333333
2008-08-01	46.2982273201251
2008-09-01	45.8725182863114
2008-10-01	46.8062827225131
2008-11-01	46.9601677148847
2008-12-01	47.4345549738220
2009-01-01	47.2134595162986
2009-02-01	47.1578947368421
2009-03-01	47.0464135021097
2009-04-01	46.5116279069767
2009-05-01	45.9259259259259
2009-06-01	45.9745762711864
2009-07-01	46.0317460317460
2009-08-01	45.6084656084656
2009-09-01	45.2330508474576
2009-10-01	46.7161016949152
2009-11-01	46.5042372881356
2009-12-01	46.4475079533404
2010-01-01	46.4059196617336
2010-02-01	46.5042372881356
2010-03-01	46.8287526427061
2010-04-01	46.3002114164905
2010-05-01	45.9345300950370
2010-06-01	46.1457233368532
2010-07-01	45.9915611814346
2010-08-01	45.2054794520548
2010-09-01	44.4678609062171
2010-10-01	45.2054794520548
2010-11-01	46.1052631578947
2010-12-01	46.3235294117647
2011-01-01	46.1780104712042
2011-02-01	46.1297071129707
2011-03-01	45.3575240128068
2011-04-01	45.1544195953142
2011-05-01	44.7872340425532
2011-06-01	44.8827292110874
2011-07-01	45.3674121405751
2011-08-01	45.2508004268943
2011-09-01	46.3389121338912
2011-10-01	45.9119496855346
2011-11-01	45.5310199789695
2011-12-01	45.8464773922187
2012-01-01	46.5825446898002
2012-02-01	45.5696202531646
2012-03-01	45.5026455026455
2012-04-01	46.3906581740977
2012-05-01	45.7356076759062
2012-06-01	46.3101604278075
2012-07-01	46.1373390557940
2012-08-01	45.7481162540366
2012-09-01	46.4285714285714
2012-10-01	46.1873638344227
2012-11-01	44.7598253275109
2012-12-01	45.4545454545455
2013-01-01	45.1541850220264
2013-02-01	44.2967884828350
2013-03-01	44.0000000000000
2013-04-01	44.9275362318841
2013-05-01	44.9551569506726
2013-06-01	44.9438202247191
2013-07-01	44.7072072072072
2013-08-01	43.4537246049661
2013-09-01	43.7146092865232
2013-10-01	43.0034129692833
2013-11-01	42.2374429223744
2013-12-01	44.4571428571429
2014-01-01	43.7788018433180
2014-02-01	43.5838150289017
2014-03-01	43.2055749128920
2014-04-01	42.9569266589057
2014-05-01	42.4561403508772
2014-06-01	41.4519906323185
2014-07-01	42.4206815511163
2014-08-01	42.4528301886792
2014-09-01	42.0118343195266
2014-10-01	41.7360285374554
2014-11-01	41.4081145584726
2014-12-01	42.3261390887290
2015-01-01	41.6867469879518
2015-02-01	40.8926417370326
2015-03-01	41.2121212121212
2015-04-01	41.3834951456311
2015-05-01	41.5347137637028
2015-06-01	40.8536585365854
2015-07-01	40.4645476772616
2015-08-01	40.3680981595092
2015-09-01	39.3120393120393
2015-10-01	39.9014778325123
2015-11-01	40.4202719406675
2015-12-01	39.5291201982652
2016-01-01	39.4278606965174
2016-02-01	39.8252184769039
2016-03-01	39.0977443609023
2016-04-01	39.5232120451694
2016-05-01	39.9497487437186
2016-06-01	39.6226415094340
2016-07-01	39.7225725094578
2016-08-01	37.8787878787879
2016-09-01	37.0417193426043
2016-10-01	38.1012658227848
2016-11-01	38.7832699619772
2016-12-01	38.0407124681934
2017-01-01	37.1974522292994
2017-02-01	37.6756066411239
2017-03-01	37.7237851662404
2017-04-01	37.8205128205128
2017-05-01	36.6666666666667
2017-06-01	36.8894601542416
2017-07-01	37.0179948586118
2017-08-01	35.5212355212355
2017-09-01	34.7938144329897
2017-10-01	36.1290322580645
2017-11-01	36.0465116279070
2017-12-01	36.0465116279070
2018-01-01	35.1036269430052
2018-02-01	35.0649350649351
2018-03-01	34.8504551365410
2018-04-01	34.6753246753247
2018-05-01	34.5903771131339
2018-06-01	35.2405721716515
2018-07-01	34.7656250000000
2018-08-01	33.3333333333333
2018-09-01	32.6822916666667