Month	Percent
1960-01-01	80.1916932907348
1960-02-01	80.9508615188258
1960-03-01	82.8653477983408
1960-04-01	84.6178343949045
1960-05-01	85.0732017823043
1960-06-01	84.6692111959288
1960-07-01	84.9872773536896
1960-08-01	84.3561208267091
1960-09-01	84.2857142857143
1960-10-01	84.9254205014281
1960-11-01	84.0988280012670
1960-12-01	82.9538266919671
1961-01-01	81.0110584518167
1961-02-01	81.2125039469530
1961-03-01	83.7069782128197
1961-04-01	84.8408446265364
1961-05-01	85.1338582677165
1961-06-01	84.4074190506130
1961-07-01	84.9701914025730
1961-08-01	84.5189595738013
1961-09-01	84.5673227116526
1961-10-01	84.5338322419707
1961-11-01	84.0336134453782
1961-12-01	83.1883157240522
1962-01-01	81.1028500619579
1962-02-01	81.3234384662956
1962-03-01	82.8703703703704
1962-04-01	84.4375963020031
1962-05-01	85.0338045482483
1962-06-01	84.5092024539877
1962-07-01	84.0783833435395
1962-08-01	84.0048840048840
1962-09-01	83.8915956151035
1962-10-01	83.6474164133739
1962-11-01	82.8935395814377
1962-12-01	82.1125907990315
1963-01-01	78.4852142426071
1963-02-01	79.5064700571772
1963-03-01	81.6871810267187
1963-04-01	83.1137724550898
1963-05-01	83.5972512697938
1963-06-01	83.6217183770883
1963-07-01	83.4127456819536
1963-08-01	82.7739827739828
1963-09-01	82.8740740740741
1963-10-01	83.2347723240686
1963-11-01	82.1533923303835
1963-12-01	81.2076583210604
1964-01-01	79.4126284875184
1964-02-01	78.5818927629651
1964-03-01	80.5376972530684
1964-04-01	82.0886814469078
1964-05-01	82.7074235807860
1964-06-01	82.4709302325581
1964-07-01	82.2454308093995
1964-08-01	81.5682870370370
1964-09-01	81.8024263431542
1964-10-01	82.3444700460830
1964-11-01	81.2877263581489
1964-12-01	80.3156384505022
1965-01-01	78.5632512879222
1965-02-01	78.4918594687232
1965-03-01	80.2395209580838
1965-04-01	81.4066059225512
1965-05-01	82.0636725412166
1965-06-01	82.1458983820608
1965-07-01	81.5864022662889
1965-08-01	81.5662991235510
1965-09-01	81.4846175557437
1965-10-01	81.3855252041678
1965-11-01	80.8666291502532
1965-12-01	79.9213704015726
1966-01-01	78.2572149061362
1966-02-01	78.8192501398993
1966-03-01	80.2513966480447
1966-04-01	81.4102564102564
1966-05-01	82.2989145560813
1966-06-01	82.2679266259033
1966-07-01	81.8989450305386
1966-08-01	81.1582155721807
1966-09-01	80.9299750899530
1966-10-01	81.4865985078751
1966-11-01	80.4581838255589
1966-12-01	79.4871794871795
1967-01-01	77.7869529314616
1967-02-01	78.2847718526663
1967-03-01	79.8847420417124
1967-04-01	81.1558477129554
1967-05-01	82.1985233798195
1967-06-01	82.1857923497268
1967-07-01	82.5006825006825
1967-08-01	81.8528610354224
1967-09-01	81.3605442176871
1967-10-01	80.8967391304348
1967-11-01	80.8193163320673
1967-12-01	80.0000000000000
1968-01-01	78.9601949634444
1968-02-01	78.6100594916171
1968-03-01	80.5293005671078
1968-04-01	81.6931787543812
1968-05-01	82.2246162133046
1968-06-01	82.5934893731504
1968-07-01	82.2944653412144
1968-08-01	81.8620874698149
1968-09-01	81.8011257035647
1968-10-01	82.1829855537721
1968-11-01	81.5557337610264
1968-12-01	80.3848209513629
1969-01-01	79.2578750667379
1969-02-01	78.7676713790344
1969-03-01	80.2981895633653
1969-04-01	81.6923895689196
1969-05-01	82.1950571352644
1969-06-01	82.2092405735528
1969-07-01	81.9893899204244
1969-08-01	81.5942796610169
1969-09-01	81.6499206768905
1969-10-01	81.5108293713682
1969-11-01	80.8392715756136
1969-12-01	80.4903770102821
1970-01-01	79.4838030023703
1970-02-01	78.8684210526316
1970-03-01	80.7510504201681
1970-04-01	81.6845972185778
1970-05-01	81.7348008385744
1970-06-01	81.8277035873265
1970-07-01	81.9895287958115
1970-08-01	81.4166231050706
1970-09-01	81.2206572769953
1970-10-01	80.9585829643136
1970-11-01	80.6871421134826
1970-12-01	80.4381846635368
1971-01-01	79.7290255341324
1971-02-01	79.7501301405518
1971-03-01	81.1379579111458
1971-04-01	82.0186818889466
1971-05-01	82.5129533678756
1971-06-01	82.1992238033635
1971-07-01	82.0579110651500
1971-08-01	81.4872192099148
1971-09-01	81.2999742068610
1971-10-01	81.1228431625032
1971-11-01	81.0602161605764
1971-12-01	80.6900102986612
1972-01-01	79.4601542416452
1972-02-01	79.6096558808423
1972-03-01	80.6004618937644
1972-04-01	81.7179487179487
1972-05-01	81.8786792935756
1972-06-01	82.0807770961145
1972-07-01	82.0441288359118
1972-08-01	81.3924050632911
1972-09-01	81.1583206879110
1972-10-01	81.2310030395137
1972-11-01	80.4908906882591
1972-12-01	80.2884615384616
1973-01-01	79.6768492804847
1973-02-01	79.8688193743693
1973-03-01	80.5135951661631
1973-04-01	81.5206445115811
1973-05-01	81.9552651419955
1973-06-01	81.7976399698720
1973-07-01	82.1580928481807
1973-08-01	81.7794486215539
1973-09-01	81.4471707561342
1973-10-01	81.9114335751814
1973-11-01	81.2937062937063
1973-12-01	80.4945054945055
1974-01-01	79.5714997508719
1974-02-01	79.4132272501243
1974-03-01	80.8198757763975
1974-04-01	81.5247082195182
1974-05-01	81.6807139315816
1974-06-01	81.7236255572065
1974-07-01	81.4713896457766
1974-08-01	81.1124845488257
1974-09-01	81.0135970333745
1974-10-01	81.1017786561265
1974-11-01	80.7255676209280
1974-12-01	79.9901307673328
1975-01-01	78.7647637795276
1975-02-01	78.5205210125338
1975-03-01	79.4153770572341
1975-04-01	80.1226993865031
1975-05-01	80.7494489346069
1975-06-01	80.2689486552567
1975-07-01	80.6356968215159
1975-08-01	80.3026604832804
1975-09-01	80.1364854984158
1975-10-01	80.2093476144109
1975-11-01	80.2676399026764
1975-12-01	80.0875273522976
1976-01-01	78.4865389279651
1976-02-01	78.5835556633519
1976-03-01	79.3454545454546
1976-04-01	79.7287478808428
1976-05-01	80.0773694390716
1976-06-01	80.1303718010623
1976-07-01	80.1305293691080
1976-08-01	79.9517490952955
1976-09-01	79.6630565583634
1976-10-01	79.6100144439095
1976-11-01	79.6968968005774
1976-12-01	79.3269230769231
1977-01-01	77.9697624190065
1977-02-01	77.8204512722036
1977-03-01	78.8300167825462
1977-04-01	79.3384467881112
1977-05-01	79.5172084130019
1977-06-01	79.6654719235364
1977-07-01	79.7704447632712
1977-08-01	79.5801526717557
1977-09-01	79.2807811383663
1977-10-01	79.0575916230366
1977-11-01	79.1914387633769
1977-12-01	78.6869647954329
1978-01-01	77.4262607040914
1978-02-01	77.5903041825095
1978-03-01	78.2949418190454
1978-04-01	79.1884195538681
1978-05-01	79.7821969696970
1978-06-01	79.5551348793185
1978-07-01	79.3421675343114
1978-08-01	78.8516068052930
1978-09-01	78.7249114521842
1978-10-01	78.5663758547512
1978-11-01	78.6808009422850
1978-12-01	78.2752120640905
1979-01-01	77.2107243650047
1979-02-01	77.3336468375264
1979-03-01	77.8794276331222
1979-04-01	78.8831534490849
1979-05-01	79.5923149015932
1979-06-01	79.9157303370786
1979-07-01	79.8642004214470
1979-08-01	79.2797006548176
1979-09-01	78.6548341896310
1979-10-01	78.7631271878646
1979-11-01	78.6862334032145
1979-12-01	78.4117373078714
1980-01-01	77.2970458246104
1980-02-01	77.2970458246104
1980-03-01	78.1467719461217
1980-04-01	78.9192949907236
1980-05-01	78.9583333333333
1980-06-01	79.4587092297016
1980-07-01	79.3566304096274
1980-08-01	78.7430683918669
1980-09-01	78.7180078395204
1980-10-01	78.7523020257827
1980-11-01	78.3758914193697
1980-12-01	78.0156537753223
1981-01-01	77.4178727314496
1981-02-01	77.5453918639393
1981-03-01	78.3107642873537
1981-04-01	78.7927473031903
1981-05-01	78.7941311325080
1981-06-01	79.3308890925756
1981-07-01	78.9919816723940
1981-08-01	78.6956521739130
1981-09-01	78.4228571428571
1981-10-01	78.2270961846014
1981-11-01	77.9452054794521
1981-12-01	77.3869346733668
1982-01-01	76.5617875057000
1982-02-01	76.8109339407745
1982-03-01	77.7019340159272
1982-04-01	78.7485779294653
1982-05-01	78.8828337874659
1982-06-01	78.4856041713897
1982-07-01	78.3673469387755
1982-08-01	78.1900452488688
1982-09-01	78.0112994350282
1982-10-01	77.9408444344096
1982-11-01	77.9156327543424
1982-12-01	77.6449357094518
1983-01-01	76.9248086447546
1983-02-01	76.7033955475602
1983-03-01	77.1255060728745
1983-04-01	78.0224719101124
1983-05-01	78.5906642728905
1983-06-01	78.8530465949821
1983-07-01	78.4994400895857
1983-08-01	77.8324022346369
1983-09-01	77.6562500000000
1983-10-01	77.6935088110640
1983-11-01	77.5128147983062
1983-12-01	76.9830659536542
1984-01-01	76.1745713649521
1984-02-01	76.2074337858892
1984-03-01	76.6118274788795
1984-04-01	77.4744784731469
1984-05-01	77.8713968957871
1984-06-01	77.8835510294443
1984-07-01	77.5343072155821
1984-08-01	77.4193548387097
1984-09-01	77.3980154355016
1984-10-01	77.1875688781133
1984-11-01	77.1856419290905
1984-12-01	76.6079295154185
1985-01-01	76.0219780219780
1985-02-01	75.5985064792444
1985-03-01	76.0702524698134
1985-04-01	77.1541328655996
1985-05-01	77.3960612691466
1985-06-01	77.2428884026258
1985-07-01	77.2796851082440
1985-08-01	76.8457841852337
1985-09-01	76.7320261437909
1985-10-01	76.5832426550598
1985-11-01	76.3043478260870
1985-12-01	75.7826086956522
1986-01-01	75.3635771651834
1986-02-01	75.0162654521796
1986-03-01	75.4275817276467
1986-04-01	76.5533665295519
1986-05-01	76.9330734243015
1986-06-01	76.6983989614885
1986-07-01	76.7321390028060
1986-08-01	76.6961016584105
1986-09-01	76.3757523645744
1986-10-01	76.2457044673540
1986-11-01	75.9124087591241
1986-12-01	75.4563023405626
1987-01-01	74.6249464209173
1987-02-01	74.3254817987152
1987-03-01	74.9679624092268
1987-04-01	75.8215962441314
1987-05-01	75.9709773794281
1987-06-01	76.2412103132325
1987-07-01	76.2816422037864
1987-08-01	76.1469838572642
1987-09-01	75.9023354564756
1987-10-01	75.8905852417303
1987-11-01	75.6242065171392
1987-12-01	75.2433347439695
1988-01-01	74.3984803714648
1988-02-01	74.1826618856781
1988-03-01	74.8840151834669
1988-04-01	75.9738892398400
1988-05-01	76.2815126050420
1988-06-01	76.5027322404372
1988-07-01	76.3643996641478
1988-08-01	76.1635220125786
1988-09-01	75.6643649299016
1988-10-01	75.6581696615128
1988-11-01	75.7455683003128
1988-12-01	75.4382303839733
1989-01-01	74.3744787322769
1989-02-01	74.4375000000000
1989-03-01	74.9792013311148
1989-04-01	75.9201497192764
1989-05-01	76.2349522623495
1989-06-01	76.4096185737977
1989-07-01	76.5570039313056
1989-08-01	76.0901012605910
1989-09-01	75.7169383123582
1989-10-01	75.8087780754173
1989-11-01	75.8705955079332
1989-12-01	75.7931602801813
1990-01-01	74.5835903763109
1990-02-01	74.5989304812834
1990-03-01	75.2003287446065
1990-04-01	76.0945529290853
1990-05-01	76.7922982384269
1990-06-01	76.6332172844563
1990-07-01	76.7199017199017
1990-08-01	76.1242845461979
1990-09-01	76.3818070569039
1990-10-01	76.6299918500408
1990-11-01	76.3039934800326
1990-12-01	76.0391198044010
1991-01-01	75.1119251119251
1991-02-01	75.0305250305250
1991-03-01	75.9894459102902
1991-04-01	76.5159196917461
1991-05-01	76.9947347104091
1991-06-01	77.2157021448806
1991-07-01	76.9308532147190
1991-08-01	76.6000403795679
1991-09-01	76.8191896795001
1991-10-01	76.7479347169051
1991-11-01	76.6223297057638
1991-12-01	76.3364938470849
1992-01-01	75.6397340318356
1992-02-01	75.9106460052324
1992-03-01	76.1856913183280
1992-04-01	76.8255884127942
1992-05-01	76.9369731031714
1992-06-01	76.7241379310345
1992-07-01	76.9431089743590
1992-08-01	76.7106842737095
1992-09-01	76.4988009592326
1992-10-01	76.7079504594486
1992-11-01	76.6959297685555
1992-12-01	76.3378594249201
1993-01-01	75.3140578265204
1993-02-01	75.4931261207412
1993-03-01	75.8407960199005
1993-04-01	76.5080629106112
1993-05-01	76.7640628105744
1993-06-01	76.8481717011129
1993-07-01	76.8864177918984
1993-08-01	76.4425936942296
1993-09-01	76.3272583201268
1993-10-01	76.5008916187834
1993-11-01	76.2913120918266
1993-12-01	75.8852621167161
1994-01-01	74.9209486166008
1994-02-01	74.8616600790514
1994-03-01	75.1135690302192
1994-04-01	75.8348152539024
1994-05-01	76.4102564102564
1994-06-01	76.1829652996846
1994-07-01	76.1529365392196
1994-08-01	76.1276344297814
1994-09-01	75.8654602675059
1994-10-01	75.6193472276838
1994-11-01	75.5503144654088
1994-12-01	75.3586166240912
1995-01-01	74.2885181550540
1995-02-01	74.2144540455617
1995-03-01	74.7351902706944
1995-04-01	75.2797957981543
1995-05-01	75.6078431372549
1995-06-01	75.9451518119491
1995-07-01	76.1120909269057
1995-08-01	75.7884427032321
1995-09-01	75.9538250831540
1995-10-01	75.6645817044566
1995-11-01	75.0732564954092
1995-12-01	74.7703732655853
1996-01-01	74.0632318501171
1996-02-01	73.9546697928879
1996-03-01	74.4676694666927
1996-04-01	75.2977933997266
1996-05-01	75.3021442495127
1996-06-01	75.7062146892655
1996-07-01	75.9890859481582
1996-08-01	75.7740993184031
1996-09-01	75.7003891050584
1996-10-01	75.4812366323158
1996-11-01	75.2673536846199
1996-12-01	75.2430960715675
1997-01-01	74.5834947694692
1997-02-01	74.3604651162791
1997-03-01	75.0290360046458
1997-04-01	75.5809450038730
1997-05-01	76.0007735447689
1997-06-01	76.1205564142195
1997-07-01	75.8600695786626
1997-08-01	75.4107867774986
1997-09-01	75.0530580744742
1997-10-01	75.1060547628230
1997-11-01	74.7831116252169
1997-12-01	74.7492283950617
1998-01-01	73.9063403353247
1998-02-01	73.5554699537750
1998-03-01	73.9230769230769
1998-04-01	74.2637151106834
1998-05-01	74.6874398922870
1998-06-01	74.9423076923077
1998-07-01	74.6974063400576
1998-08-01	74.1743471582181
1998-09-01	73.9731285988484
1998-10-01	74.1124544233352
1998-11-01	73.7780333525014
1998-12-01	73.7478411053541
1999-01-01	73.1889612878498
1999-02-01	72.6802147239264
1999-03-01	72.7656309934791
1999-04-01	73.0916762562332
1999-05-01	73.6347959379191
1999-06-01	73.6731174554512
1999-07-01	73.4967445423209
1999-08-01	73.5271614384086
1999-09-01	73.7284894837476
1999-10-01	73.7194189602446
1999-11-01	73.3906399235912
1999-12-01	73.1092436974790
2000-01-01	72.3558610156548
2000-02-01	71.8702290076336
2000-03-01	72.1045601984354
2000-04-01	72.5520137430808
2000-05-01	73.1451459088308
2000-06-01	73.0307076101469
2000-07-01	72.8971962616822
2000-08-01	73.0739893211289
2000-09-01	73.0527518567892
2000-10-01	73.2394366197183
2000-11-01	73.1456827691137
2000-12-01	72.6806083650190
2001-01-01	71.6730038022814
2001-02-01	71.5835553863723
2001-03-01	71.8601558046741
2001-04-01	72.1345751758221
2001-05-01	72.2939612609191
2001-06-01	72.0524017467249
2001-07-01	72.0956719817768
2001-08-01	72.3149905123340
2001-09-01	71.6533940083428
2001-10-01	71.3906782872300
2001-11-01	71.4502082544491
2001-12-01	71.1039575837909
2002-01-01	70.3402646502836
2002-02-01	70.2196137826581
2002-03-01	70.6661619984860
2002-04-01	70.8412277377795
2002-05-01	70.8096859629209
2002-06-01	70.8506616257089
2002-07-01	71.0909434675742
2002-08-01	71.1207711207711
2002-09-01	70.6115515288788
2002-10-01	70.5982260803925
2002-11-01	70.3437854174537
2002-12-01	70.2268431001890
2003-01-01	69.5767195767196
2003-02-01	69.4386694386694
2003-03-01	69.6849651009244
2003-04-01	70.1416430594901
2003-05-01	70.5904546312017
2003-06-01	70.5915599095704
2003-07-01	70.4673954014324
2003-08-01	70.5372290292177
2003-09-01	70.1827086080241
2003-10-01	70.0885289131663
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2005-04-01	70.0000000000000
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2010-01-01	67.8291682208131
2010-02-01	67.3320895522388
2010-03-01	67.6991976114947
2010-04-01	68.1597611048899
2010-05-01	68.1648638567699
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2011-01-01	67.5736116287738
2011-02-01	67.6667909057026
2011-03-01	67.5307720999627
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2012-01-01	67.3127096533731
2012-02-01	67.3008767021078
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2014-01-01	67.0834110841575
2014-02-01	67.3511293634497
2014-03-01	67.6684711592309
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2015-01-01	67.4748228273032
2015-02-01	67.5811870100784
2015-03-01	67.4878686076894
2015-04-01	67.7304964539007
2015-05-01	68.1843627542452
2015-06-01	68.2335385189330
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2015-08-01	67.9291044776120
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2015-10-01	68.1885948565039
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2016-01-01	67.7852348993289
2016-02-01	67.4626865671642
2016-03-01	67.2198396419914
2016-04-01	68.0223880597015
2016-05-01	68.5565087653860
2016-06-01	68.6928957672944
2016-07-01	68.2885906040268
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2016-11-01	68.1826654240447
2016-12-01	68.3013238858848
2017-01-01	68.1580909768829
2017-02-01	67.7985074626866
2017-03-01	67.8231673195300
2017-04-01	68.4082851278224
2017-05-01	68.7803058560239
2017-06-01	68.8864017907107
2017-07-01	68.5437255267574
2017-08-01	68.7616560984707
2017-09-01	68.9597315436242
2017-10-01	68.7849422288483
2017-11-01	68.3317800559180
2017-12-01	68.3955223880597
2018-01-01	68.6881880947938
2018-02-01	68.7138323688632
2018-03-01	68.9133681852128
2018-04-01	69.3370681605976
2018-05-01	69.9402539208364
2018-06-01	69.7071441895169
2018-07-01	69.1675998506906
2018-08-01	69.4418517827142
2018-09-01	69.6828358208955