Month	Percent
1968-01-01	96.0376423972264
1968-02-01	95.7015810276680
1968-03-01	96.0493827160494
1968-04-01	96.5024630541872
1968-05-01	96.8011811023622
1968-06-01	96.9548133595285
1968-07-01	96.9578017664377
1968-08-01	97.0660146699266
1968-09-01	97.3607038123167
1968-10-01	97.5134080936129
1968-11-01	97.0330739299611
1968-12-01	96.5969859017987
1969-01-01	96.0232783705141
1969-02-01	95.8353510895884
1969-03-01	96.2300628322861
1969-04-01	96.8644476603956
1969-05-01	96.8238691049086
1969-06-01	97.0192307692308
1969-07-01	96.9275084013442
1969-08-01	96.6475095785441
1969-09-01	97.1291866028708
1969-10-01	96.9421882465361
1969-11-01	96.5648854961832
1969-12-01	96.5681601525262
1970-01-01	96.3298379408961
1970-02-01	95.9562321598478
1970-03-01	96.5304182509506
1970-04-01	96.8675842429995
1970-05-01	96.7298578199052
1970-06-01	96.6871746332229
1970-07-01	96.3558920965452
1970-08-01	96.6398485565547
1970-09-01	96.7437470504955
1970-10-01	96.7909391222275
1970-11-01	96.8911917098446
1970-12-01	96.9797074091552
1971-01-01	96.4083175803403
1971-02-01	96.1774421897121
1971-03-01	96.9782813975448
1971-04-01	97.4068835454974
1971-05-01	97.0366886171214
1971-06-01	96.7636022514071
1971-07-01	96.7228464419476
1971-08-01	96.6323666978484
1971-09-01	96.9187675070028
1971-10-01	96.9739292364991
1971-11-01	97.0274036228518
1971-12-01	96.7502321262767
1972-01-01	96.0702727693019
1972-02-01	96.0604672469079
1972-03-01	96.2979890310786
1972-04-01	96.8550592525068
1972-05-01	96.8181818181818
1972-06-01	96.7376529225193
1972-07-01	96.7727476467952
1972-08-01	96.8736042876284
1972-09-01	96.9278717720392
1972-10-01	97.2012438916037
1972-11-01	96.6297117516630
1972-12-01	96.4095744680851
1973-01-01	96.3860731599824
1973-02-01	96.5289982425308
1973-03-01	96.3676148796499
1973-04-01	96.7643200699606
1973-05-01	97.0818815331010
1973-06-01	97.0039079461572
1973-07-01	97.2270363951473
1973-08-01	97.1465629053178
1973-09-01	96.9814575247952
1973-10-01	97.2079037800687
1973-11-01	97.2114972114972
1973-12-01	96.7065868263473
1974-01-01	96.2537249893572
1974-02-01	96.0950764006791
1974-03-01	96.6977138018628
1974-04-01	97.0004224757076
1974-05-01	96.9709718132099
1974-06-01	97.1476510067114
1974-07-01	96.8566638725901
1974-08-01	96.7000835421888
1974-09-01	96.7472894078399
1974-10-01	96.7540574282147
1974-11-01	97.0502700457000
1974-12-01	96.3930348258706
1975-01-01	95.6198347107438
1975-02-01	95.3871499176277
1975-03-01	95.7595718402635
1975-04-01	95.8949096880131
1975-05-01	96.3584288052373
1975-06-01	96.3295269168026
1975-07-01	96.1287693561532
1975-08-01	95.9756097560976
1975-09-01	96.2287104622871
1975-10-01	96.2317666126418
1975-11-01	96.2424242424242
1975-12-01	96.1678096006454
1976-01-01	94.9738640932851
1976-02-01	95.2189634391322
1976-03-01	95.4253611556982
1976-04-01	95.7932692307692
1976-05-01	96.1630695443645
1976-06-01	96.0925039872408
1976-07-01	96.1323763955343
1976-08-01	96.0604854755273
1976-09-01	95.9539865132884
1976-10-01	96.0760998810939
1976-11-01	96.3492063492064
1976-12-01	96.3988919667590
1977-01-01	95.4240631163708
1977-02-01	95.2700039416634
1977-03-01	95.5888144938952
1977-04-01	96.0267505900866
1977-05-01	96.1161239701844
1977-06-01	95.9247648902821
1977-07-01	96.0799686397491
1977-08-01	95.8170445660672
1977-09-01	95.8642216152946
1977-10-01	96.1418550272798
1977-11-01	96.1448598130841
1977-12-01	95.7943925233645
1978-01-01	95.2752830925420
1978-02-01	95.2436647173489
1978-03-01	95.3996101364522
1978-04-01	95.8300857365550
1978-05-01	96.0015527950311
1978-06-01	96.0419091967404
1978-07-01	95.9658650116369
1978-08-01	95.7380860131732
1978-09-01	95.6269349845201
1978-10-01	95.5933513722458
1978-11-01	95.9025898724391
1978-12-01	95.7446808510638
1979-01-01	95.3281853281853
1979-02-01	95.4422556971804
1979-03-01	95.5649826455843
1979-04-01	95.9506363285769
1979-05-01	96.2620423892100
1979-06-01	96.5729688101656
1979-07-01	96.7257318952234
1979-08-01	96.4203233256351
1979-09-01	96.1966961198617
1979-10-01	96.2735305416827
1979-11-01	96.3176064441887
1979-12-01	96.1981566820276
1980-01-01	95.8557175748273
1980-02-01	95.7005758157390
1980-03-01	95.7405986185725
1980-04-01	96.2437715599847
1980-05-01	96.0229445506692
1980-06-01	96.3685015290520
1980-07-01	96.3643321852277
1980-08-01	96.0994263862333
1980-09-01	96.2920489296636
1980-10-01	96.3005339435546
1980-11-01	96.1053837342497
1980-12-01	95.9480122324159
1981-01-01	95.8396946564886
1981-02-01	96.0275019098548
1981-03-01	96.1083555894697
1981-04-01	95.9893048128342
1981-05-01	95.9175887066005
1981-06-01	96.1875714830347
1981-07-01	96.0365853658536
1981-08-01	95.9253617669459
1981-09-01	95.6621004566210
1981-10-01	95.6604491815759
1981-11-01	95.6604491815759
1981-12-01	95.3834414345670
1982-01-01	95.3107129241327
1982-02-01	95.6554878048780
1982-03-01	95.9541984732824
1982-04-01	96.2271341463415
1982-05-01	96.3442498095964
1982-06-01	96.0806697108067
1982-07-01	95.8888465930720
1982-08-01	95.9331052831623
1982-09-01	95.7066869300912
1982-10-01	95.7778623050590
1982-11-01	96.1187214611872
1982-12-01	95.8888465930720
1983-01-01	95.3992395437262
1983-02-01	95.2435312024353
1983-03-01	95.4215948111408
1983-04-01	95.6173780487805
1983-05-01	95.9619047619048
1983-06-01	96.0045662100457
1983-07-01	96.1553102398173
1983-08-01	96.0091220068415
1983-09-01	95.8950969213227
1983-10-01	95.8507803578226
1983-11-01	95.9634424980960
1983-12-01	95.7333333333333
1984-01-01	95.4666666666667
1984-02-01	95.3541507996954
1984-03-01	95.5360549408623
1984-04-01	95.5775829203202
1984-05-01	95.7714285714286
1984-06-01	96.0776846915461
1984-07-01	96.0365853658536
1984-08-01	96.1538461538462
1984-09-01	95.9680486877140
1984-10-01	95.8555133079848
1984-11-01	96.1187214611872
1984-12-01	95.8079268292683
1985-01-01	95.6985154168253
1985-02-01	95.1637471439452
1985-03-01	95.1981707317073
1985-04-01	95.7317073170732
1985-05-01	95.8904109589041
1985-06-01	95.9984756097561
1985-07-01	95.9238095238095
1985-08-01	95.8825772016775
1985-09-01	95.7398250285280
1985-10-01	95.5513307984791
1985-11-01	95.4752851711027
1985-12-01	95.3541507996954
1986-01-01	95.2797868290826
1986-02-01	95.0532724505327
1986-03-01	95.2725886389630
1986-04-01	95.5360549408623
1986-05-01	95.6371986222732
1986-06-01	95.6056553305312
1986-07-01	95.7682043461685
1986-08-01	96.0761904761905
1986-09-01	95.9300114111830
1986-10-01	95.8111195734958
1986-11-01	95.3488372093023
1986-12-01	95.1582157834540
1987-01-01	94.9314024390244
1987-02-01	95.0800915331808
1987-03-01	95.3125000000000
1987-04-01	95.2743902439024
1987-05-01	95.1107715813598
1987-06-01	95.2253628724217
1987-07-01	95.8810068649886
1987-08-01	95.9984756097561
1987-09-01	95.9541984732824
1987-10-01	95.9908361970218
1987-11-01	95.5708285605193
1987-12-01	95.6073338426280
1988-01-01	95.4996186117468
1988-02-01	95.2689813048455
1988-03-01	95.3346080305927
1988-04-01	95.7983193277311
1988-05-01	95.7665903890160
1988-06-01	96.1406190294230
1988-07-01	96.2595419847328
1988-08-01	96.2991224723388
1988-09-01	96.0717009916095
1988-10-01	96.1509146341464
1988-11-01	96.2680883472963
1988-12-01	96.1832061068702
1989-01-01	95.8015267175572
1989-02-01	96.0305343511450
1989-03-01	96.0672012218404
1989-04-01	96.1024073366450
1989-05-01	96.2623951182304
1989-06-01	96.4939024390244
1989-07-01	96.6501712980586
1989-08-01	96.3850837138508
1989-09-01	96.2343096234310
1989-10-01	96.0836501901141
1989-11-01	96.2300076161462
1989-12-01	96.1948249619482
1990-01-01	96.0015232292460
1990-02-01	96.1128048780488
1990-03-01	96.1890243902439
1990-04-01	96.3330786860199
1990-05-01	96.4665653495441
1990-06-01	96.4258555133080
1990-07-01	96.6172557962752
1990-08-01	96.2751805397188
1990-09-01	96.3581183611533
1990-10-01	96.5883244882487
1990-11-01	96.5451784358390
1990-12-01	96.2765957446808
1991-01-01	96.0806697108067
1991-02-01	96.2666666666667
1991-03-01	96.3484214530240
1991-04-01	96.5714285714286
1991-05-01	96.5346534653465
1991-06-01	96.5701219512195
1991-07-01	96.3809523809524
1991-08-01	96.3033536585366
1991-09-01	96.4992389649924
1991-10-01	96.7263037685573
1991-11-01	96.7975600457491
1991-12-01	96.7150496562261
1992-01-01	96.5227359572029
1992-02-01	96.7175572519084
1992-03-01	96.7188096146509
1992-04-01	96.7520061138708
1992-05-01	96.5688143347312
1992-06-01	96.3470319634703
1992-07-01	96.5019011406844
1992-08-01	96.1991638160395
1992-09-01	96.2737642585551
1992-10-01	96.4652223489168
1992-11-01	96.5425531914894
1992-12-01	96.6133942161339
1993-01-01	96.1611554541999
1993-02-01	95.9711136450019
1993-03-01	95.9741739460691
1993-04-01	96.4244960060860
1993-05-01	96.5072133637054
1993-06-01	96.3946869070209
1993-07-01	96.0227272727273
1993-08-01	95.9137343927355
1993-09-01	96.3705103969754
1993-10-01	96.3285389856169
1993-11-01	96.1829176114890
1993-12-01	95.9561602418745
1994-01-01	95.5077387693469
1994-02-01	95.3584905660377
1994-03-01	95.3567383918460
1994-04-01	95.3136810279668
1994-05-01	95.7799547852298
1994-06-01	95.7438794726930
1994-07-01	95.5589010161837
1994-08-01	95.4870251974426
1994-09-01	95.6783164223976
1994-10-01	95.6750658142159
1994-11-01	95.4887218045113
1994-12-01	95.6015037593985
1995-01-01	94.8515595640737
1995-02-01	94.8496240601504
1995-03-01	95.2255639097744
1995-04-01	95.1449002634550
1995-05-01	95.2291510142750
1995-06-01	95.6440105144574
1995-07-01	95.7207207207207
1995-08-01	95.5722326454034
1995-09-01	95.6880389951256
1995-10-01	95.6505436820397
1995-11-01	95.1310861423221
1995-12-01	95.1631046119235
1996-01-01	94.7171225177969
1996-02-01	94.8217636022514
1996-03-01	95.2667167543201
1996-04-01	95.3025178504322
1996-05-01	95.1649175412294
1996-06-01	95.4664668415137
1996-07-01	95.8020989505247
1996-08-01	95.6912701386287
1996-09-01	95.4341317365270
1996-10-01	95.3201048296518
1996-11-01	95.2434456928839
1996-12-01	95.3880764904387
1997-01-01	95.3679491968622
1997-02-01	95.2149532710280
1997-03-01	95.3679491968622
1997-04-01	95.6245325355273
1997-05-01	95.4104477611940
1997-06-01	95.4884414615958
1997-07-01	95.3055141579732
1997-08-01	95.0764640059679
1997-09-01	94.8975791433892
1997-10-01	95.0111690245719
1997-11-01	94.9385932266468
1997-12-01	95.0819672131148
1998-01-01	94.8250186150410
1998-02-01	94.6780796427242
1998-03-01	94.6488294314381
1998-04-01	94.4858420268256
1998-05-01	94.2007434944238
1998-06-01	94.7211895910781
1998-07-01	94.6528035647976
1998-08-01	94.0630797773655
1998-09-01	94.0608760207869
1998-10-01	94.1679049034175
1998-11-01	94.0259740259740
1998-12-01	93.9776951672862
1999-01-01	93.7964338781575
1999-02-01	93.6826458565589
1999-03-01	93.3407738095238
1999-04-01	93.4426229508197
1999-05-01	93.4572490706320
1999-06-01	93.5687732342008
1999-07-01	93.8358707760862
1999-08-01	93.8450129773823
1999-09-01	94.2157953281424
1999-10-01	94.1787170930664
1999-11-01	94.1132913735654
1999-12-01	93.8541281007034
2000-01-01	93.3801775147929
2000-02-01	93.1683899556869
2000-03-01	93.0868761552680
2000-04-01	93.3358015549796
2000-05-01	93.6783733826248
2000-06-01	93.7246216315984
2000-07-01	93.5400516795866
2000-08-01	93.7615356220007
2000-09-01	93.8489871086556
2000-10-01	93.9226519337016
2000-11-01	93.9338235294118
2000-12-01	93.7201615864855
2001-01-01	93.3529195739993
2001-02-01	93.2035268185158
2001-03-01	92.8545254672041
2001-04-01	92.9592959295930
2001-05-01	93.3040614709111
2001-06-01	92.9015733626052
2001-07-01	92.9119473876507
2001-08-01	93.2017543859649
2001-09-01	92.8702010968921
2001-10-01	92.6481346013168
2001-11-01	92.3273657289003
2001-12-01	92.1697768020490
2002-01-01	92.0704845814978
2002-02-01	92.0471281296024
2002-03-01	92.0383339476594
2002-04-01	92.0857988165680
2002-05-01	91.9867060561300
2002-06-01	92.3559822747415
2002-07-01	92.4556213017752
2002-08-01	92.2649888971132
2002-09-01	91.6759156492786
2002-10-01	91.9259259259259
2002-11-01	92.5334323922734
2002-12-01	92.2218087085970
2003-01-01	92.0581655480984
2003-02-01	92.0089619118745
2003-03-01	91.7568071615069
2003-04-01	91.7259453388244
2003-05-01	91.8504672897196
2003-06-01	92.0433320881584
2003-07-01	92.3652694610778
2003-08-01	92.5037481259370
2003-09-01	92.0134983127109
2003-10-01	92.3770184003004
2003-11-01	92.5216084178880
2003-12-01	92.7279577995479
2004-01-01	92.2670690305545
2004-02-01	92.0574886535552
2004-03-01	91.7517972001514
2004-04-01	92.0544835414302
2004-05-01	92.5350511557408
2004-06-01	92.3983276320791
2004-07-01	91.9011406844106
2004-08-01	92.3925446937999
2004-09-01	92.3135464231355
2004-10-01	92.2226458253908
2004-11-01	92.4866514111365
2004-12-01	92.2841864018334
2005-01-01	92.1958684009181
2005-02-01	91.9892679187428
2005-03-01	92.0092201306185
2005-04-01	92.1214450422752
2005-05-01	92.4463190184049
2005-06-01	92.5527831094050
2005-07-01	92.3520368946964
2005-08-01	92.3106497500961
2005-09-01	92.5470610833654
2005-10-01	92.6510196229319
2005-11-01	92.3373122834039
2005-12-01	92.2839506172840
2006-01-01	92.1205098493627
2006-02-01	92.1500386697602
2006-03-01	92.6283288305674
2006-04-01	92.8350116189001
2006-05-01	92.8405572755418
2006-06-01	92.8875144955547
2006-07-01	92.6442121564073
2006-08-01	92.3702556158017
2006-09-01	92.4564796905222
2006-10-01	92.6772568771794
2006-11-01	92.4535603715170
2006-12-01	92.5882809468374
2007-01-01	92.5146198830409
2007-02-01	92.4697619976590
2007-03-01	92.8515625000000
2007-04-01	93.0778255768479
2007-05-01	93.1640625000000
2007-06-01	93.2812500000000
2007-07-01	93.0050801094177
2007-08-01	93.0805316653636
2007-09-01	92.9296875000000
2007-10-01	92.7315357561547
2007-11-01	92.8850664581704
2007-12-01	93.2342588971451
2008-01-01	92.8767123287671
2008-02-01	92.4402663533098
2008-03-01	92.6303410427283
2008-04-01	92.8543384373773
2008-05-01	92.9075235109718
2008-06-01	92.8991761475088
2008-07-01	92.5068654374264
2008-08-01	92.7422518634759
2008-09-01	92.8263426107409
2008-10-01	92.4764890282132
2008-11-01	92.5098039215686
2008-12-01	92.2623723487824
2009-01-01	92.0298390263055
2009-02-01	91.5913555992141
2009-03-01	91.7059748427673
2009-04-01	91.4634146341464
2009-05-01	91.2735849056604
2009-06-01	91.1128588281557
2009-07-01	90.9520062942565
2009-08-01	91.2204724409449
2009-09-01	91.3847364280094
2009-10-01	91.4600550964187
2009-11-01	91.4600550964187
2009-12-01	91.4860070949941
2010-01-01	91.5581854043392
2010-02-01	91.3575374901342
2010-03-01	91.5086887835703
2010-04-01	91.6172400158165
2010-05-01	91.7456556082148
2010-06-01	91.5843540102726
2010-07-01	91.6666666666666
2010-08-01	91.6699565732333
2010-09-01	91.2031558185404
2010-10-01	91.4364640883978
2010-11-01	91.5943172849250
2010-12-01	91.5120410580340
2011-01-01	91.6271721958926
2011-02-01	91.8972332015810
2011-03-01	91.7525773195876
2011-04-01	91.7493058310194
2011-05-01	92.0269734232447
2011-06-01	91.7096390321301
2011-07-01	91.4319714399048
2011-08-01	91.9681908548708
2011-09-01	91.5576694411415
2011-10-01	91.6072842438638
2011-11-01	91.6369401506144
2011-12-01	91.6369401506144
2012-01-01	91.9079730265768
2012-02-01	91.5045653036920
2012-03-01	91.3095238095238
2012-04-01	91.4910536779324
2012-05-01	91.5240748109829
2012-06-01	91.8026263430163
2012-07-01	91.3717693836978
2012-08-01	91.5341812400636
2012-09-01	91.6070007955450
2012-10-01	91.7230401910068
2012-11-01	91.7263325377884
2012-12-01	91.5902750099641
2013-01-01	91.6633426406063
2013-02-01	90.8982035928144
2013-03-01	90.8945686900958
2013-04-01	91.6100679184978
2013-05-01	91.8530351437700
2013-06-01	92.3292049540551
2013-07-01	91.8098282061526
2013-08-01	91.6833266693323
2013-09-01	92.0894926088694
2013-10-01	91.8897323212146
2013-11-01	92.0463629096723
2013-12-01	92.2337870296237
2014-01-01	91.9471153846154
2014-02-01	91.8940609951846
2014-03-01	92.2521075873144
2014-04-01	92.6045016077170
2014-05-01	92.7768860353130
2014-06-01	92.4065889915629
2014-07-01	91.8408360128618
2014-08-01	92.1158487530169
2014-09-01	92.2088353413654
2014-10-01	92.1623794212219
2014-11-01	91.9951729686243
2014-12-01	92.3169750603379
2015-01-01	91.9887278582931
2015-02-01	92.1774193548387
2015-03-01	92.2952803549818
2015-04-01	92.5312878482035
2015-05-01	92.3294307630198
2015-06-01	92.0935861234369
2015-07-01	91.8449737585789
2015-08-01	92.0032310177706
2015-09-01	92.5312878482035
2015-10-01	92.4101735970933
2015-11-01	92.0404040404040
2015-12-01	92.6375404530744
2016-01-01	92.5970873786408
2016-02-01	92.4635332252836
2016-03-01	92.4635332252836
2016-04-01	92.3701298701299
2016-05-01	92.5700365408039
2016-06-01	92.3295454545454
2016-07-01	92.5264012997563
2016-08-01	92.6888708367181
2016-09-01	92.9297033726128
2016-10-01	92.7671678179602
2016-11-01	92.5609756097561
2016-12-01	92.7146927146927
2017-01-01	92.6710097719870
2017-02-01	92.7057864710676
2017-03-01	92.7435792906645
2017-04-01	92.5683952633728
2017-05-01	92.6560587515300
2017-06-01	92.8104575163399
2017-07-01	92.6062091503268
2017-08-01	92.7317272356064
2017-09-01	93.0175581870151
2017-10-01	93.4587080948487
2017-11-01	92.9709848794442
2017-12-01	92.8717738631708
2018-01-01	92.9098360655738
2018-02-01	93.3141919606234
2018-03-01	93.2266009852217
2018-04-01	92.9305384299219
2018-05-01	93.4210526315789
2018-06-01	93.2593505959720
2018-07-01	92.9687500000000
2018-08-01	93.3333333333333
2018-09-01	93.5776039522437