Month	Percent
1968-01-01	13.9344262295082
1968-02-01	15.2588555858311
1968-03-01	15.2173913043478
1968-04-01	13.0434782608696
1968-05-01	11.6531165311653
1968-06-01	11.6531165311653
1968-07-01	12.7371273712737
1968-08-01	13.2432432432432
1968-09-01	11.8918918918919
1968-10-01	10.7816711590296
1968-11-01	12.3989218328841
1968-12-01	14.0540540540541
1969-01-01	15.0134048257373
1969-02-01	15.2815013404826
1969-03-01	13.6363636363636
1969-04-01	13.0666666666667
1969-05-01	11.4666666666667
1969-06-01	11.2000000000000
1969-07-01	12.7659574468085
1969-08-01	12.2340425531915
1969-09-01	11.1405835543767
1969-10-01	11.1111111111111
1969-11-01	11.6402116402116
1969-12-01	13.2275132275132
1970-01-01	13.7203166226913
1970-02-01	14.7757255936675
1970-03-01	14.2105263157895
1970-04-01	12.6315789473684
1970-05-01	12.8608923884514
1970-06-01	12.3359580052493
1970-07-01	12.5654450261780
1970-08-01	12.5654450261780
1970-09-01	12.5326370757180
1970-10-01	12.2395833333333
1970-11-01	13.2812500000000
1970-12-01	14.8825065274151
1971-01-01	14.0625000000000
1971-02-01	13.7662337662338
1971-03-01	12.9533678756477
1971-04-01	11.6580310880829
1971-05-01	12.1447028423773
1971-06-01	12.3711340206186
1971-07-01	12.6288659793814
1971-08-01	12.3393316195373
1971-09-01	12.5964010282776
1971-10-01	13.1105398457584
1971-11-01	12.5964010282776
1971-12-01	12.5964010282776
1972-01-01	14.3958868894602
1972-02-01	14.5454545454545
1972-03-01	14.2487046632124
1972-04-01	12.4352331606218
1972-05-01	11.1398963730570
1972-06-01	12.4352331606218
1972-07-01	12.0822622107969
1972-08-01	13.1105398457584
1972-09-01	13.6246786632391
1972-10-01	14.3222506393862
1972-11-01	14.8337595907928
1972-12-01	14.5780051150895
1973-01-01	14.3222506393862
1973-02-01	14.3222506393862
1973-03-01	14.2857142857143
1973-04-01	13.8107416879795
1973-05-01	13.2315521628499
1973-06-01	12.5000000000000
1973-07-01	13.2315521628499
1973-08-01	12.7226463104326
1973-09-01	12.2137404580153
1973-10-01	11.1959287531807
1973-11-01	12.2137404580153
1973-12-01	14.0306122448980
1974-01-01	14.7582697201018
1974-02-01	14.2493638676845
1974-03-01	13.2315521628499
1974-04-01	13.9949109414758
1974-05-01	13.5204081632653
1974-06-01	13.5204081632653
1974-07-01	13.4860050890585
1974-08-01	12.9770992366412
1974-09-01	12.7551020408163
1974-10-01	12.2448979591837
1974-11-01	12.7551020408163
1974-12-01	14.5038167938931
1975-01-01	15.4822335025381
1975-02-01	14.9746192893401
1975-03-01	13.6708860759494
1975-04-01	13.4177215189873
1975-05-01	13.1313131313131
1975-06-01	13.6020151133501
1975-07-01	13.6020151133501
1975-08-01	12.8463476070529
1975-09-01	12.3115577889447
1975-10-01	12.5628140703518
1975-11-01	12.8463476070529
1975-12-01	13.6020151133501
1976-01-01	14.5363408521303
1976-02-01	13.8190954773869
1976-03-01	14.0703517587940
1976-04-01	13.5338345864662
1976-05-01	12.7500000000000
1976-06-01	13.0000000000000
1976-07-01	13.0000000000000
1976-08-01	12.9675810473815
1976-09-01	12.9353233830846
1976-10-01	12.2194513715711
1976-11-01	13.4328358208955
1976-12-01	16.6666666666667
1977-01-01	16.1691542288557
1977-02-01	15.4613466334165
1977-03-01	15.8808933002481
1977-04-01	14.6401985111663
1977-05-01	14.6039603960396
1977-06-01	13.8613861386139
1977-07-01	13.3333333333333
1977-08-01	15.2709359605911
1977-09-01	15.5172413793103
1977-10-01	14.9877149877150
1977-11-01	13.5467980295566
1977-12-01	15.2334152334152
1978-01-01	17.3594132029340
1978-02-01	15.5717761557178
1978-03-01	14.8058252427184
1978-04-01	15.2912621359223
1978-05-01	13.8014527845036
1978-06-01	13.0750605326877
1978-07-01	14.0435835351090
1978-08-01	14.7342995169082
1978-09-01	14.9397590361446
1978-10-01	13.7349397590361
1978-11-01	13.9088729016787
1978-12-01	14.8681055155875
1979-01-01	16.2291169451074
1979-02-01	16.6666666666667
1979-03-01	14.7268408551069
1979-04-01	13.9810426540284
1979-05-01	13.7115839243499
1979-06-01	12.9716981132075
1979-07-01	13.6470588235294
1979-08-01	14.3192488262911
1979-09-01	14.5199063231850
1979-10-01	14.0186915887850
1979-11-01	13.9860139860140
1979-12-01	14.3851508120650
1980-01-01	16.1290322580645
1980-02-01	15.4022988505747
1980-03-01	13.6986301369863
1980-04-01	13.2118451025057
1980-05-01	13.6054421768707
1980-06-01	13.5746606334842
1980-07-01	14.4144144144144
1980-08-01	13.9325842696629
1980-09-01	13.8702460850112
1980-10-01	14.0625000000000
1980-11-01	14.6666666666667
1980-12-01	15.0776053215078
1981-01-01	15.8590308370044
1981-02-01	14.9122807017544
1981-03-01	13.7254901960784
1981-04-01	13.6659436008677
1981-05-01	14.0086206896552
1981-06-01	14.4086021505376
1981-07-01	14.8068669527897
1981-08-01	14.1025641025641
1981-09-01	14.4680851063830
1981-10-01	14.8305084745763
1981-11-01	15.3684210526316
1981-12-01	16.5966386554622
1982-01-01	17.0833333333333
1982-02-01	15.7676348547718
1982-03-01	14.1975308641975
1982-04-01	14.4329896907216
1982-05-01	14.3737166324435
1982-06-01	14.1393442622951
1982-07-01	13.7014314928425
1982-08-01	14.0243902439024
1982-09-01	14.4016227180527
1982-10-01	14.5161290322581
1982-11-01	15.2610441767068
1982-12-01	15.8316633266533
1983-01-01	15.3081510934394
1983-02-01	16.1735700197239
1983-03-01	16.1100196463654
1983-04-01	14.8727984344423
1983-05-01	13.8401559454191
1983-06-01	13.7864077669903
1983-07-01	14.1472868217054
1983-08-01	14.8362235067437
1983-09-01	14.9712092130518
1983-10-01	14.8571428571429
1983-11-01	14.9905123339658
1983-12-01	16.2264150943396
1984-01-01	16.1654135338346
1984-02-01	15.8878504672897
1984-03-01	15.5555555555556
1984-04-01	15.2854511970534
1984-05-01	15.6250000000000
1984-06-01	15.5393053016453
1984-07-01	15.5109489051095
1984-08-01	15.7894736842105
1984-09-01	15.7323688969259
1984-10-01	15.7039711191336
1984-11-01	16.0071942446043
1984-12-01	17.3835125448029
1985-01-01	17.8253119429590
1985-02-01	17.0515097690941
1985-03-01	16.0777385159011
1985-04-01	14.9647887323944
1985-05-01	15.6140350877193
1985-06-01	16.4623467600700
1985-07-01	16.7247386759582
1985-08-01	16.6956521739130
1985-09-01	16.2629757785467
1985-10-01	16.2068965517241
1985-11-01	16.5232358003442
1985-12-01	17.5257731958763
1986-01-01	17.5767918088737
1986-02-01	17.8268251273345
1986-03-01	16.9747899159664
1986-04-01	16.3879598662207
1986-05-01	16.1666666666667
1986-06-01	16.9717138103161
1986-07-01	16.2520729684909
1986-08-01	15.6765676567657
1986-09-01	16.6118421052632
1986-10-01	16.6939443535188
1986-11-01	16.4763458401305
1986-12-01	16.9657422512235
1987-01-01	17.5324675324675
1987-02-01	18.2552504038772
1987-03-01	17.4959871589085
1987-04-01	17.2800000000000
1987-05-01	16.1084529505582
1987-06-01	16.0317460317460
1987-07-01	17.0886075949367
1987-08-01	16.1137440758294
1987-09-01	16.3779527559055
1987-10-01	16.7449139280125
1987-11-01	16.6666666666667
1987-12-01	18.1959564541213
1988-01-01	18.5471406491499
1988-02-01	17.6923076923077
1988-03-01	17.6110260336907
1988-04-01	17.8625954198473
1988-05-01	17.2256097560976
1988-06-01	17.1993911719939
1988-07-01	17.2989377845220
1988-08-01	16.6666666666667
1988-09-01	17.0437405731523
1988-10-01	17.9216867469880
1988-11-01	17.5412293853073
1988-12-01	17.2155688622754
1989-01-01	18.4131736526946
1989-02-01	18.3308494783905
1989-03-01	17.3590504451039
1989-04-01	17.3333333333333
1989-05-01	16.9867060561300
1989-06-01	16.8141592920354
1989-07-01	16.6176470588235
1989-08-01	16.5689149560117
1989-09-01	16.9838945827233
1989-10-01	16.5204678362573
1989-11-01	16.1807580174927
1989-12-01	16.6423357664234
1990-01-01	17.8519593613933
1990-02-01	17.5108538350217
1990-03-01	16.4739884393064
1990-04-01	16.8831168831169
1990-05-01	16.4028776978417
1990-06-01	16.2589928057554
1990-07-01	16.3793103448276
1990-08-01	16.4756446991404
1990-09-01	15.8571428571429
1990-10-01	15.0997150997151
1990-11-01	15.5049786628734
1990-12-01	15.9317211948791
1991-01-01	16.5487977369165
1991-02-01	16.1971830985915
1991-03-01	15.1898734177215
1991-04-01	15.3305203938115
1991-05-01	15.3305203938115
1991-06-01	15.0070126227209
1991-07-01	15.5462184873950
1991-08-01	15.2447552447552
1991-09-01	14.8044692737430
1991-10-01	14.6648044692737
1991-11-01	14.6648044692737
1991-12-01	14.7058823529412
1992-01-01	14.9791955617198
1992-02-01	15.9059474412172
1992-03-01	15.0552486187845
1992-04-01	15.0552486187845
1992-05-01	14.8760330578512
1992-06-01	15.1306740027510
1992-07-01	15.6593406593407
1992-08-01	15.2263374485597
1992-09-01	14.5006839945280
1992-10-01	14.4808743169399
1992-11-01	14.1882673942701
1992-12-01	14.1882673942701
1993-01-01	14.8299319727891
1993-02-01	14.6341463414634
1993-03-01	14.7696476964770
1993-04-01	15.3324287652646
1993-05-01	14.6143437077131
1993-06-01	14.2276422764228
1993-07-01	14.4986449864499
1993-08-01	14.0921409214092
1993-09-01	13.8398914518318
1993-10-01	14.9253731343284
1993-11-01	14.9253731343284
1993-12-01	15.2173913043478
1994-01-01	16.2822252374491
1994-02-01	15.3324287652646
1994-03-01	15.0610583446404
1994-04-01	14.9659863945578
1994-05-01	14.8097826086957
1994-06-01	14.5380434782609
1994-07-01	14.1112618724559
1994-08-01	14.1304347826087
1994-09-01	14.1112618724559
1994-10-01	14.6341463414634
1994-11-01	15.0202976995940
1994-12-01	15.3116531165312
1995-01-01	16.0810810810811
1995-02-01	16.3292847503374
1995-03-01	15.3638814016172
1995-04-01	14.4399460188934
1995-05-01	14.8048452220727
1995-06-01	15.3225806451613
1995-07-01	15.3225806451613
1995-08-01	15.4362416107383
1995-09-01	14.7255689424364
1995-10-01	14.3048128342246
1995-11-01	14.4385026737968
1995-12-01	14.3048128342246
1996-01-01	15.4460719041278
1996-02-01	16.2450066577896
1996-03-01	16.0904255319149
1996-04-01	15.4255319148936
1996-05-01	14.8541114058355
1996-06-01	14.9668874172185
1996-07-01	14.4179894179894
1996-08-01	14.7757255936675
1996-09-01	14.3610013175231
1996-10-01	13.5348226018397
1996-11-01	14.1546526867628
1996-12-01	14.2670157068063
1997-01-01	15.2454780361757
1997-02-01	15.5927835051546
1997-03-01	14.6907216494845
1997-04-01	14.4516129032258
1997-05-01	14.0463917525773
1997-06-01	14.1206675224647
1997-07-01	14.6341463414634
1997-08-01	15.1282051282051
1997-09-01	15.3649167733675
1997-10-01	15.2368758002561
1997-11-01	15.1088348271447
1997-12-01	14.4686299615877
1998-01-01	14.8148148148148
1998-02-01	15.4336734693878
1998-03-01	14.9044585987261
1998-04-01	14.5222929936306
1998-05-01	13.9030612244898
1998-06-01	14.3765903307888
1998-07-01	15.0823827629911
1998-08-01	14.9556400506971
1998-09-01	15.2777777777778
1998-10-01	15.5107187894073
1998-11-01	15.1133501259446
1998-12-01	14.2317380352645
1999-01-01	13.8017565872020
1999-02-01	14.5363408521303
1999-03-01	14.0350877192982
1999-04-01	14.5000000000000
1999-05-01	14.8379052369077
1999-06-01	14.8379052369077
1999-07-01	15.6911581569116
1999-08-01	15.1741293532338
1999-09-01	14.2857142857143
1999-10-01	14.1439205955335
1999-11-01	15.2605459057072
1999-12-01	16.0049627791563
2000-01-01	15.5666251556663
2000-02-01	15.7960199004975
2000-03-01	15.7107231920200
2000-04-01	15.4806491885144
2000-05-01	15.9600997506234
2000-06-01	16.6042446941323
2000-07-01	16.5000000000000
2000-08-01	15.5000000000000
2000-09-01	14.7684605757196
2000-10-01	15.2882205513784
2000-11-01	16.1209068010076
2000-12-01	16.4987405541562
2001-01-01	16.4556962025316
2001-02-01	16.1372299872935
2001-03-01	15.4140127388535
2001-04-01	15.8567774936061
2001-05-01	16.7519181585678
2001-06-01	17.2413793103448
2001-07-01	17.2413793103448
2001-08-01	16.8152866242038
2001-09-01	16.4122137404580
2001-10-01	16.4765525982256
2001-11-01	17.0670037926675
2001-12-01	17.0670037926675
2002-01-01	16.6458072590738
2002-02-01	17.1036204744070
2002-03-01	16.5835411471322
2002-04-01	16.4383561643836
2002-05-01	16.5012406947891
2002-06-01	17.4289245982695
2002-07-01	18.5731857318573
2002-08-01	18.1372549019608
2002-09-01	16.7277167277167
2002-10-01	16.0583941605839
2002-11-01	17.6184690157959
2002-12-01	17.2330097087379
2003-01-01	16.9286577992745
2003-02-01	17.5691937424789
2003-03-01	17.0059880239521
2003-04-01	17.1052631578947
2003-05-01	16.8846611177170
2003-06-01	16.8047337278106
2003-07-01	16.7452830188679
2003-08-01	17.2941176470588
2003-09-01	17.0760233918129
2003-10-01	16.6666666666667
2003-11-01	16.4924506387921
2003-12-01	16.5701042873696
2004-01-01	17.4913693901036
2004-02-01	17.6808266360505
2004-03-01	17.2768878718535
2004-04-01	17.0842824601367
2004-05-01	17.5936435868331
2004-06-01	17.4405436013590
2004-07-01	17.0236753100338
2004-08-01	16.8350168350168
2004-09-01	17.4107142857143
2004-10-01	17.1683389074693
2004-11-01	16.9076751946607
2004-12-01	17.3864894795127
2005-01-01	17.1650055370986
2005-02-01	17.5690607734807
2005-03-01	16.8874172185430
2005-04-01	16.8687982359427
2005-05-01	16.7032967032967
2005-06-01	17.1428571428571
2005-07-01	16.6666666666667
2005-08-01	16.5207877461707
2005-09-01	16.2663755458515
2005-10-01	16.7030567685590
2005-11-01	17.0305676855895
2005-12-01	17.5190424374320
2006-01-01	17.0837867247008
2006-02-01	16.7391304347826
2006-03-01	16.0520607375271
2006-04-01	15.6521739130435
2006-05-01	15.4013015184382
2006-06-01	15.9436008676790
2006-07-01	16.0173160173160
2006-08-01	16.0346695557963
2006-09-01	16.1430119176598
2006-10-01	16.4680390032503
2006-11-01	16.5943600867679
2006-12-01	16.1780673181325
2007-01-01	15.5412647374062
2007-02-01	14.6995708154506
2007-03-01	15.2524167561762
2007-04-01	15.2524167561762
2007-05-01	14.5922746781116
2007-06-01	15.2360515021459
2007-07-01	15.0214592274678
2007-08-01	15.0053590568060
2007-09-01	15.0214592274678
2007-10-01	14.8981779206860
2007-11-01	15.0214592274678
2007-12-01	15.2360515021459
2008-01-01	15.0214592274678
2008-02-01	14.5922746781116
2008-03-01	15.1450053705693
2008-04-01	15.1450053705693
2008-05-01	14.1783029001074
2008-06-01	15.0375939849624
2008-07-01	15.4838709677419
2008-08-01	15.0537634408602
2008-09-01	14.5317545748116
2008-10-01	14.4396551724138
2008-11-01	14.5788336933045
2008-12-01	14.9028077753780
2009-01-01	15.0270270270270
2009-02-01	15.1679306608884
2009-03-01	15.1843817787419
2009-04-01	15.3094462540717
2009-05-01	15.0000000000000
2009-06-01	15.4347826086957
2009-07-01	15.8868335146899
2009-08-01	15.3427638737758
2009-09-01	15.2173913043478
2009-10-01	15.3260869565217
2009-11-01	15.8868335146899
2009-12-01	15.6692056583243
2010-01-01	15.3094462540717
2010-02-01	15.9782608695652
2010-03-01	15.5266015200869
2010-04-01	15.7266811279826
2010-05-01	15.4929577464789
2010-06-01	15.6013001083424
2010-07-01	16.4680390032503
2010-08-01	16.4324324324324
2010-09-01	15.2432432432432
2010-10-01	15.9827213822894
2010-11-01	16.4146868250540
2010-12-01	16.1637931034483
2011-01-01	16.1290322580645
2011-02-01	16.2915326902465
2011-03-01	15.7497303128371
2011-04-01	15.3017241379310
2011-05-01	15.4094827586207
2011-06-01	15.7158234660926
2011-07-01	16.8103448275862
2011-08-01	16.9181034482759
2011-09-01	16.9346195069668
2011-10-01	16.6666666666667
2011-11-01	16.2715517241379
2011-12-01	16.3793103448276
2012-01-01	16.6486486486486
2012-02-01	16.9913419913420
2012-03-01	17.1926006528836
2012-04-01	17.7947598253275
2012-05-01	17.1960569550931
2012-06-01	16.5751920965971
2012-07-01	17.3098125689085
2012-08-01	17.7383592017738
2012-09-01	17.2413793103448
2012-10-01	16.7224080267559
2012-11-01	16.6853303471445
2012-12-01	16.9853768278965
2013-01-01	16.9683257918552
2013-02-01	16.4772727272727
2013-03-01	16.1915621436716
2013-04-01	17.1624713958810
2013-05-01	16.8771526980482
2013-06-01	16.0919540229885
2013-07-01	16.2629757785467
2013-08-01	16.6666666666667
2013-09-01	16.1252900232019
2013-10-01	16.0651920838184
2013-11-01	15.7710280373832
2013-12-01	16.2573099415205
2014-01-01	15.4299175500589
2014-02-01	15.3846153846154
2014-03-01	15.1838671411625
2014-04-01	15.7330154946365
2014-05-01	15.5316606929510
2014-06-01	14.9521531100478
2014-07-01	14.7836538461538
2014-08-01	14.9577804583836
2014-09-01	14.7521160822249
2014-10-01	14.5808019441069
2014-11-01	15.2439024390244
2014-12-01	14.9326805385557
2015-01-01	14.4963144963145
2015-02-01	14.1800246609125
2015-03-01	14.4622991347342
2015-04-01	15.2227722772277
2015-05-01	14.8883374689826
2015-06-01	14.3034825870647
2015-07-01	13.6986301369863
2015-08-01	13.6079900124844
2015-09-01	13.7844611528822
2015-10-01	14.1959798994975
2015-11-01	14.3757881462800
2015-12-01	14.2857142857143
2016-01-01	14.4853875476493
2016-02-01	13.7579617834395
2016-03-01	13.7931034482759
2016-04-01	13.6828644501279
2016-05-01	13.3162612035851
2016-06-01	13.5897435897436
2016-07-01	13.0937098844673
2016-08-01	12.8700128700129
2016-09-01	12.8700128700129
2016-10-01	12.9032258064516
2016-11-01	13.6950904392765
2016-12-01	13.4540750323415
2017-01-01	12.9701686121920
2017-02-01	13.0039011703511
2017-03-01	13.0208333333333
2017-04-01	13.4289439374185
2017-05-01	12.5326370757180
2017-06-01	12.2875816993464
2017-07-01	12.3197903014417
2017-08-01	12.0418848167539
2017-09-01	11.2712975098296
2017-10-01	11.4173228346457
2017-11-01	11.8110236220472
2017-12-01	11.9422572178478
2018-01-01	12.1052631578947
2018-02-01	12.2529644268775
2018-03-01	11.4927344782034
2018-04-01	11.2137203166227
2018-05-01	11.2137203166227
2018-06-01	11.1111111111111
2018-07-01	11.7880794701987
2018-08-01	11.7724867724868
2018-09-01	11.3756613756614