Month	Percent
1968-01-01	86.0655737704918
1968-02-01	84.7411444141689
1968-03-01	84.7826086956522
1968-04-01	86.9565217391304
1968-05-01	88.3468834688347
1968-06-01	88.3468834688347
1968-07-01	87.2628726287263
1968-08-01	86.7567567567568
1968-09-01	88.1081081081081
1968-10-01	89.2183288409704
1968-11-01	87.6010781671159
1968-12-01	85.9459459459460
1969-01-01	84.9865951742627
1969-02-01	84.7184986595174
1969-03-01	86.3636363636364
1969-04-01	86.9333333333334
1969-05-01	88.5333333333333
1969-06-01	88.8000000000000
1969-07-01	87.2340425531915
1969-08-01	87.7659574468085
1969-09-01	88.8594164456234
1969-10-01	88.8888888888889
1969-11-01	88.3597883597884
1969-12-01	86.7724867724868
1970-01-01	86.2796833773087
1970-02-01	85.2242744063324
1970-03-01	85.7894736842105
1970-04-01	87.3684210526316
1970-05-01	87.1391076115486
1970-06-01	87.6640419947506
1970-07-01	87.4345549738220
1970-08-01	87.4345549738220
1970-09-01	87.4673629242820
1970-10-01	87.7604166666667
1970-11-01	86.7187500000000
1970-12-01	85.1174934725849
1971-01-01	85.9375000000000
1971-02-01	86.2337662337662
1971-03-01	87.0466321243523
1971-04-01	88.3419689119171
1971-05-01	87.8552971576228
1971-06-01	87.6288659793814
1971-07-01	87.3711340206186
1971-08-01	87.6606683804627
1971-09-01	87.4035989717224
1971-10-01	86.8894601542416
1971-11-01	87.4035989717224
1971-12-01	87.4035989717224
1972-01-01	85.6041131105398
1972-02-01	85.4545454545454
1972-03-01	85.7512953367876
1972-04-01	87.5647668393782
1972-05-01	88.8601036269430
1972-06-01	87.5647668393782
1972-07-01	87.9177377892031
1972-08-01	86.8894601542416
1972-09-01	86.3753213367609
1972-10-01	85.6777493606138
1972-11-01	85.1662404092072
1972-12-01	85.4219948849105
1973-01-01	85.6777493606138
1973-02-01	85.6777493606138
1973-03-01	85.7142857142857
1973-04-01	86.1892583120204
1973-05-01	86.7684478371501
1973-06-01	87.5000000000000
1973-07-01	86.7684478371501
1973-08-01	87.2773536895674
1973-09-01	87.7862595419847
1973-10-01	88.8040712468193
1973-11-01	87.7862595419847
1973-12-01	85.9693877551020
1974-01-01	85.2417302798982
1974-02-01	85.7506361323155
1974-03-01	86.7684478371501
1974-04-01	86.0050890585242
1974-05-01	86.4795918367347
1974-06-01	86.4795918367347
1974-07-01	86.5139949109415
1974-08-01	87.0229007633588
1974-09-01	87.2448979591837
1974-10-01	87.7551020408163
1974-11-01	87.2448979591837
1974-12-01	85.4961832061069
1975-01-01	84.5177664974619
1975-02-01	85.0253807106599
1975-03-01	86.3291139240506
1975-04-01	86.5822784810127
1975-05-01	86.8686868686869
1975-06-01	86.3979848866499
1975-07-01	86.3979848866499
1975-08-01	87.1536523929471
1975-09-01	87.6884422110553
1975-10-01	87.4371859296482
1975-11-01	87.1536523929471
1975-12-01	86.3979848866499
1976-01-01	85.4636591478697
1976-02-01	86.1809045226131
1976-03-01	85.9296482412060
1976-04-01	86.4661654135338
1976-05-01	87.2500000000000
1976-06-01	87.0000000000000
1976-07-01	87.0000000000000
1976-08-01	87.0324189526184
1976-09-01	87.0646766169154
1976-10-01	87.7805486284289
1976-11-01	86.5671641791045
1976-12-01	83.3333333333333
1977-01-01	83.8308457711443
1977-02-01	84.5386533665836
1977-03-01	84.1191066997519
1977-04-01	85.3598014888338
1977-05-01	85.3960396039604
1977-06-01	86.1386138613861
1977-07-01	86.6666666666667
1977-08-01	84.7290640394089
1977-09-01	84.4827586206896
1977-10-01	85.0122850122850
1977-11-01	86.4532019704434
1977-12-01	84.7665847665848
1978-01-01	82.6405867970660
1978-02-01	84.4282238442822
1978-03-01	85.1941747572816
1978-04-01	84.7087378640777
1978-05-01	86.1985472154964
1978-06-01	86.9249394673124
1978-07-01	85.9564164648910
1978-08-01	85.2657004830918
1978-09-01	85.0602409638554
1978-10-01	86.2650602409639
1978-11-01	86.0911270983214
1978-12-01	85.1318944844125
1979-01-01	83.7708830548926
1979-02-01	83.3333333333333
1979-03-01	85.2731591448931
1979-04-01	86.0189573459716
1979-05-01	86.2884160756501
1979-06-01	87.0283018867924
1979-07-01	86.3529411764706
1979-08-01	85.6807511737089
1979-09-01	85.4800936768150
1979-10-01	85.9813084112150
1979-11-01	86.0139860139860
1979-12-01	85.6148491879350
1980-01-01	83.8709677419355
1980-02-01	84.5977011494253
1980-03-01	86.3013698630137
1980-04-01	86.7881548974943
1980-05-01	86.3945578231292
1980-06-01	86.4253393665158
1980-07-01	85.5855855855856
1980-08-01	86.0674157303371
1980-09-01	86.1297539149888
1980-10-01	85.9375000000000
1980-11-01	85.3333333333333
1980-12-01	84.9223946784922
1981-01-01	84.1409691629956
1981-02-01	85.0877192982456
1981-03-01	86.2745098039216
1981-04-01	86.3340563991323
1981-05-01	85.9913793103448
1981-06-01	85.5913978494624
1981-07-01	85.1931330472103
1981-08-01	85.8974358974359
1981-09-01	85.5319148936170
1981-10-01	85.1694915254237
1981-11-01	84.6315789473684
1981-12-01	83.4033613445378
1982-01-01	82.9166666666667
1982-02-01	84.2323651452282
1982-03-01	85.8024691358025
1982-04-01	85.5670103092784
1982-05-01	85.6262833675565
1982-06-01	85.8606557377049
1982-07-01	86.2985685071575
1982-08-01	85.9756097560976
1982-09-01	85.5983772819473
1982-10-01	85.4838709677419
1982-11-01	84.7389558232932
1982-12-01	84.1683366733467
1983-01-01	84.6918489065606
1983-02-01	83.8264299802761
1983-03-01	83.8899803536346
1983-04-01	85.1272015655577
1983-05-01	86.1598440545809
1983-06-01	86.2135922330097
1983-07-01	85.8527131782946
1983-08-01	85.1637764932563
1983-09-01	85.0287907869482
1983-10-01	85.1428571428571
1983-11-01	85.0094876660342
1983-12-01	83.7735849056604
1984-01-01	83.8345864661654
1984-02-01	84.1121495327103
1984-03-01	84.4444444444444
1984-04-01	84.7145488029466
1984-05-01	84.3750000000000
1984-06-01	84.4606946983546
1984-07-01	84.4890510948905
1984-08-01	84.2105263157895
1984-09-01	84.2676311030741
1984-10-01	84.2960288808664
1984-11-01	83.9928057553957
1984-12-01	82.6164874551971
1985-01-01	82.1746880570410
1985-02-01	82.9484902309059
1985-03-01	83.9222614840989
1985-04-01	85.0352112676056
1985-05-01	84.3859649122807
1985-06-01	83.5376532399300
1985-07-01	83.2752613240418
1985-08-01	83.3043478260870
1985-09-01	83.7370242214533
1985-10-01	83.7931034482759
1985-11-01	83.4767641996558
1985-12-01	82.4742268041237
1986-01-01	82.4232081911263
1986-02-01	82.1731748726656
1986-03-01	83.0252100840336
1986-04-01	83.6120401337793
1986-05-01	83.8333333333333
1986-06-01	83.0282861896839
1986-07-01	83.7479270315091
1986-08-01	84.3234323432343
1986-09-01	83.3881578947368
1986-10-01	83.3060556464812
1986-11-01	83.5236541598695
1986-12-01	83.0342577487765
1987-01-01	82.4675324675325
1987-02-01	81.7447495961228
1987-03-01	82.5040128410915
1987-04-01	82.7200000000000
1987-05-01	83.8915470494418
1987-06-01	83.9682539682540
1987-07-01	82.9113924050633
1987-08-01	83.8862559241706
1987-09-01	83.6220472440945
1987-10-01	83.2550860719875
1987-11-01	83.3333333333333
1987-12-01	81.8040435458787
1988-01-01	81.4528593508501
1988-02-01	82.3076923076923
1988-03-01	82.3889739663094
1988-04-01	82.1374045801527
1988-05-01	82.7743902439024
1988-06-01	82.8006088280061
1988-07-01	82.7010622154780
1988-08-01	83.3333333333333
1988-09-01	82.9562594268477
1988-10-01	82.0783132530120
1988-11-01	82.4587706146926
1988-12-01	82.7844311377246
1989-01-01	81.5868263473054
1989-02-01	81.6691505216095
1989-03-01	82.6409495548961
1989-04-01	82.6666666666667
1989-05-01	83.0132939438700
1989-06-01	83.1858407079646
1989-07-01	83.3823529411765
1989-08-01	83.4310850439883
1989-09-01	83.0161054172767
1989-10-01	83.4795321637427
1989-11-01	83.8192419825073
1989-12-01	83.3576642335766
1990-01-01	82.1480406386067
1990-02-01	82.4891461649783
1990-03-01	83.5260115606936
1990-04-01	83.1168831168831
1990-05-01	83.5971223021583
1990-06-01	83.7410071942446
1990-07-01	83.6206896551724
1990-08-01	83.5243553008596
1990-09-01	84.1428571428571
1990-10-01	84.9002849002849
1990-11-01	84.4950213371266
1990-12-01	84.0682788051209
1991-01-01	83.4512022630834
1991-02-01	83.8028169014084
1991-03-01	84.8101265822785
1991-04-01	84.6694796061884
1991-05-01	84.6694796061884
1991-06-01	84.9929873772791
1991-07-01	84.4537815126050
1991-08-01	84.7552447552448
1991-09-01	85.1955307262570
1991-10-01	85.3351955307262
1991-11-01	85.3351955307262
1991-12-01	85.2941176470588
1992-01-01	85.0208044382802
1992-02-01	84.0940525587828
1992-03-01	84.9447513812155
1992-04-01	84.9447513812155
1992-05-01	85.1239669421488
1992-06-01	84.8693259972490
1992-07-01	84.3406593406594
1992-08-01	84.7736625514403
1992-09-01	85.4993160054720
1992-10-01	85.5191256830601
1992-11-01	85.8117326057299
1992-12-01	85.8117326057299
1993-01-01	85.1700680272109
1993-02-01	85.3658536585366
1993-03-01	85.2303523035230
1993-04-01	84.6675712347354
1993-05-01	85.3856562922869
1993-06-01	85.7723577235772
1993-07-01	85.5013550135501
1993-08-01	85.9078590785908
1993-09-01	86.1601085481682
1993-10-01	85.0746268656716
1993-11-01	85.0746268656716
1993-12-01	84.7826086956522
1994-01-01	83.7177747625509
1994-02-01	84.6675712347354
1994-03-01	84.9389416553596
1994-04-01	85.0340136054422
1994-05-01	85.1902173913044
1994-06-01	85.4619565217391
1994-07-01	85.8887381275441
1994-08-01	85.8695652173913
1994-09-01	85.8887381275441
1994-10-01	85.3658536585366
1994-11-01	84.9797023004060
1994-12-01	84.6883468834688
1995-01-01	83.9189189189189
1995-02-01	83.6707152496626
1995-03-01	84.6361185983828
1995-04-01	85.5600539811066
1995-05-01	85.1951547779273
1995-06-01	84.6774193548387
1995-07-01	84.6774193548387
1995-08-01	84.5637583892618
1995-09-01	85.2744310575636
1995-10-01	85.6951871657754
1995-11-01	85.5614973262032
1995-12-01	85.6951871657754
1996-01-01	84.5539280958722
1996-02-01	83.7549933422104
1996-03-01	83.9095744680851
1996-04-01	84.5744680851064
1996-05-01	85.1458885941645
1996-06-01	85.0331125827814
1996-07-01	85.5820105820106
1996-08-01	85.2242744063324
1996-09-01	85.6389986824769
1996-10-01	86.4651773981603
1996-11-01	85.8453473132372
1996-12-01	85.7329842931937
1997-01-01	84.7545219638243
1997-02-01	84.4072164948454
1997-03-01	85.3092783505155
1997-04-01	85.5483870967742
1997-05-01	85.9536082474227
1997-06-01	85.8793324775353
1997-07-01	85.3658536585366
1997-08-01	84.8717948717949
1997-09-01	84.6350832266325
1997-10-01	84.7631241997439
1997-11-01	84.8911651728553
1997-12-01	85.5313700384123
1998-01-01	85.1851851851852
1998-02-01	84.5663265306122
1998-03-01	85.0955414012739
1998-04-01	85.4777070063694
1998-05-01	86.0969387755102
1998-06-01	85.6234096692112
1998-07-01	84.9176172370089
1998-08-01	85.0443599493029
1998-09-01	84.7222222222222
1998-10-01	84.4892812105927
1998-11-01	84.8866498740554
1998-12-01	85.7682619647355
1999-01-01	86.1982434127980
1999-02-01	85.4636591478697
1999-03-01	85.9649122807018
1999-04-01	85.5000000000000
1999-05-01	85.1620947630923
1999-06-01	85.1620947630923
1999-07-01	84.3088418430884
1999-08-01	84.8258706467662
1999-09-01	85.7142857142857
1999-10-01	85.8560794044665
1999-11-01	84.7394540942928
1999-12-01	83.9950372208437
2000-01-01	84.4333748443338
2000-02-01	84.2039800995025
2000-03-01	84.2892768079800
2000-04-01	84.5193508114856
2000-05-01	84.0399002493766
2000-06-01	83.3957553058677
2000-07-01	83.5000000000000
2000-08-01	84.5000000000000
2000-09-01	85.2315394242804
2000-10-01	84.7117794486216
2000-11-01	83.8790931989924
2000-12-01	83.5012594458438
2001-01-01	83.5443037974684
2001-02-01	83.8627700127065
2001-03-01	84.5859872611465
2001-04-01	84.1432225063939
2001-05-01	83.2480818414322
2001-06-01	82.7586206896552
2001-07-01	82.7586206896552
2001-08-01	83.1847133757962
2001-09-01	83.5877862595420
2001-10-01	83.5234474017744
2001-11-01	82.9329962073325
2001-12-01	82.9329962073325
2002-01-01	83.3541927409262
2002-02-01	82.8963795255930
2002-03-01	83.4164588528678
2002-04-01	83.5616438356164
2002-05-01	83.4987593052109
2002-06-01	82.5710754017305
2002-07-01	81.4268142681427
2002-08-01	81.8627450980392
2002-09-01	83.2722832722833
2002-10-01	83.9416058394161
2002-11-01	82.3815309842041
2002-12-01	82.7669902912621
2003-01-01	83.0713422007255
2003-02-01	82.4308062575211
2003-03-01	82.9940119760479
2003-04-01	82.8947368421053
2003-05-01	83.1153388822830
2003-06-01	83.1952662721894
2003-07-01	83.2547169811321
2003-08-01	82.7058823529412
2003-09-01	82.9239766081871
2003-10-01	83.3333333333333
2003-11-01	83.5075493612079
2003-12-01	83.4298957126304
2004-01-01	82.5086306098964
2004-02-01	82.3191733639495
2004-03-01	82.7231121281464
2004-04-01	82.9157175398633
2004-05-01	82.4063564131669
2004-06-01	82.5594563986410
2004-07-01	82.9763246899662
2004-08-01	83.1649831649832
2004-09-01	82.5892857142857
2004-10-01	82.8316610925306
2004-11-01	83.0923248053393
2004-12-01	82.6135105204873
2005-01-01	82.8349944629014
2005-02-01	82.4309392265194
2005-03-01	83.1125827814570
2005-04-01	83.1312017640574
2005-05-01	83.2967032967033
2005-06-01	82.8571428571429
2005-07-01	83.3333333333333
2005-08-01	83.4792122538293
2005-09-01	83.7336244541485
2005-10-01	83.2969432314410
2005-11-01	82.9694323144105
2005-12-01	82.4809575625680
2006-01-01	82.9162132752992
2006-02-01	83.2608695652174
2006-03-01	83.9479392624729
2006-04-01	84.3478260869565
2006-05-01	84.5986984815618
2006-06-01	84.0563991323210
2006-07-01	83.9826839826840
2006-08-01	83.9653304442037
2006-09-01	83.8569880823402
2006-10-01	83.5319609967497
2006-11-01	83.4056399132321
2006-12-01	83.8219326818675
2007-01-01	84.4587352625938
2007-02-01	85.3004291845494
2007-03-01	84.7475832438238
2007-04-01	84.7475832438238
2007-05-01	85.4077253218884
2007-06-01	84.7639484978541
2007-07-01	84.9785407725322
2007-08-01	84.9946409431940
2007-09-01	84.9785407725322
2007-10-01	85.1018220793140
2007-11-01	84.9785407725322
2007-12-01	84.7639484978541
2008-01-01	84.9785407725322
2008-02-01	85.4077253218884
2008-03-01	84.8549946294307
2008-04-01	84.8549946294307
2008-05-01	85.8216970998926
2008-06-01	84.9624060150376
2008-07-01	84.5161290322581
2008-08-01	84.9462365591398
2008-09-01	85.4682454251884
2008-10-01	85.5603448275862
2008-11-01	85.4211663066955
2008-12-01	85.0971922246220
2009-01-01	84.9729729729730
2009-02-01	84.8320693391116
2009-03-01	84.8156182212581
2009-04-01	84.6905537459284
2009-05-01	85.0000000000000
2009-06-01	84.5652173913044
2009-07-01	84.1131664853101
2009-08-01	84.6572361262242
2009-09-01	84.7826086956522
2009-10-01	84.6739130434783
2009-11-01	84.1131664853101
2009-12-01	84.3307943416757
2010-01-01	84.6905537459284
2010-02-01	84.0217391304348
2010-03-01	84.4733984799131
2010-04-01	84.2733188720174
2010-05-01	84.5070422535211
2010-06-01	84.3986998916576
2010-07-01	83.5319609967497
2010-08-01	83.5675675675676
2010-09-01	84.7567567567568
2010-10-01	84.0172786177106
2010-11-01	83.5853131749460
2010-12-01	83.8362068965517
2011-01-01	83.8709677419355
2011-02-01	83.7084673097535
2011-03-01	84.2502696871629
2011-04-01	84.6982758620690
2011-05-01	84.5905172413793
2011-06-01	84.2841765339074
2011-07-01	83.1896551724138
2011-08-01	83.0818965517241
2011-09-01	83.0653804930332
2011-10-01	83.3333333333333
2011-11-01	83.7284482758621
2011-12-01	83.6206896551724
2012-01-01	83.3513513513514
2012-02-01	83.0086580086580
2012-03-01	82.8073993471164
2012-04-01	82.2052401746725
2012-05-01	82.8039430449069
2012-06-01	83.4248079034028
2012-07-01	82.6901874310915
2012-08-01	82.2616407982262
2012-09-01	82.7586206896552
2012-10-01	83.2775919732441
2012-11-01	83.3146696528556
2012-12-01	83.0146231721035
2013-01-01	83.0316742081448
2013-02-01	83.5227272727273
2013-03-01	83.8084378563284
2013-04-01	82.8375286041190
2013-05-01	83.1228473019518
2013-06-01	83.9080459770115
2013-07-01	83.7370242214533
2013-08-01	83.3333333333333
2013-09-01	83.8747099767981
2013-10-01	83.9348079161816
2013-11-01	84.2289719626168
2013-12-01	83.7426900584795
2014-01-01	84.5700824499411
2014-02-01	84.6153846153846
2014-03-01	84.8161328588375
2014-04-01	84.2669845053635
2014-05-01	84.4683393070490
2014-06-01	85.0478468899522
2014-07-01	85.2163461538462
2014-08-01	85.0422195416164
2014-09-01	85.2478839177751
2014-10-01	85.4191980558931
2014-11-01	84.7560975609756
2014-12-01	85.0673194614443
2015-01-01	85.5036855036855
2015-02-01	85.8199753390876
2015-03-01	85.5377008652658
2015-04-01	84.7772277227723
2015-05-01	85.1116625310174
2015-06-01	85.6965174129353
2015-07-01	86.3013698630137
2015-08-01	86.3920099875156
2015-09-01	86.2155388471178
2015-10-01	85.8040201005025
2015-11-01	85.6242118537201
2015-12-01	85.7142857142857
2016-01-01	85.5146124523507
2016-02-01	86.2420382165605
2016-03-01	86.2068965517241
2016-04-01	86.3171355498721
2016-05-01	86.6837387964149
2016-06-01	86.4102564102564
2016-07-01	86.9062901155327
2016-08-01	87.1299871299871
2016-09-01	87.1299871299871
2016-10-01	87.0967741935484
2016-11-01	86.3049095607235
2016-12-01	86.5459249676585
2017-01-01	87.0298313878080
2017-02-01	86.9960988296489
2017-03-01	86.9791666666667
2017-04-01	86.5710560625815
2017-05-01	87.4673629242820
2017-06-01	87.7124183006536
2017-07-01	87.6802096985583
2017-08-01	87.9581151832461
2017-09-01	88.7287024901704
2017-10-01	88.5826771653543
2017-11-01	88.1889763779528
2017-12-01	88.0577427821522
2018-01-01	87.8947368421053
2018-02-01	87.7470355731225
2018-03-01	88.5072655217966
2018-04-01	88.7862796833773
2018-05-01	88.7862796833773
2018-06-01	88.8888888888889
2018-07-01	88.2119205298013
2018-08-01	88.2275132275132
2018-09-01	88.6243386243386