Month	Percent
1968-01-01	83.1516936671576
1968-02-01	82.8184760223595
1968-03-01	84.4842785777255
1968-04-01	85.3243322571177
1968-05-01	85.6347112283788
1968-06-01	85.9695371997657
1968-07-01	85.9608072535829
1968-08-01	85.5390008764242
1968-09-01	85.3181552831290
1968-10-01	85.5727193238123
1968-11-01	84.9199417758370
1968-12-01	83.9592430858806
1969-01-01	83.1055539400989
1969-02-01	82.8297501452644
1969-03-01	84.4212358572672
1969-04-01	85.3248259860789
1969-05-01	85.6646394439618
1969-06-01	85.8176555716353
1969-07-01	85.7762359063313
1969-08-01	85.2728847819809
1969-09-01	85.1211072664360
1969-10-01	84.8790322580645
1969-11-01	84.5666570688166
1969-12-01	84.1575618171363
1970-01-01	83.4243033611031
1970-02-01	83.1467126040769
1970-03-01	84.9283667621776
1970-04-01	85.6570283423991
1970-05-01	85.5018587360595
1970-06-01	85.4244069734210
1970-07-01	85.7142857142857
1970-08-01	85.3067047075606
1970-09-01	85.1651480637813
1970-10-01	84.8976109215017
1970-11-01	84.7684001136686
1970-12-01	84.6285226302306
1971-01-01	84.3003412969283
1971-02-01	84.3945423536100
1971-03-01	85.6656258870281
1971-04-01	86.3662131519274
1971-05-01	86.5308432371251
1971-06-01	86.0412545916926
1971-07-01	85.9604519774011
1971-08-01	85.5571227080395
1971-09-01	85.3156708004510
1971-10-01	85.2518998029834
1971-11-01	85.2320675105485
1971-12-01	85.1956093442162
1972-01-01	84.5569620253164
1972-02-01	84.7495779403489
1972-03-01	85.4611923509561
1972-04-01	86.2844294547499
1972-05-01	86.3075196408530
1972-06-01	86.1866068926870
1972-07-01	86.4609396719488
1972-08-01	85.9839023036359
1972-09-01	85.9084604715673
1972-10-01	85.6706470424882
1972-11-01	84.9611542730300
1972-12-01	85.0124895920066
1973-01-01	84.7091412742382
1973-02-01	84.8006644518272
1973-03-01	85.3786622443339
1973-04-01	86.1563967946947
1973-05-01	86.5453542872898
1973-06-01	86.4388092613010
1973-07-01	86.6905483604299
1973-08-01	86.1546930911093
1973-09-01	85.7810781078108
1973-10-01	85.9263331500824
1973-11-01	85.6750823271131
1973-12-01	85.1262349066959
1974-01-01	84.5016429353779
1974-02-01	84.6637506834336
1974-03-01	86.0890953812517
1974-04-01	86.2878994810161
1974-05-01	86.2868047982552
1974-06-01	86.2162898392808
1974-07-01	85.9128065395095
1974-08-01	85.7803153887982
1974-09-01	85.6831790963528
1974-10-01	85.8269858541893
1974-11-01	85.6482739874966
1974-12-01	85.0543478260870
1975-01-01	84.2233667660613
1975-02-01	84.2361863488624
1975-03-01	85.1841820151679
1975-04-01	85.5519480519480
1975-05-01	85.8223062381852
1975-06-01	85.3369272237197
1975-07-01	85.6025882987328
1975-08-01	85.4951560818084
1975-09-01	85.6182795698925
1975-10-01	85.8216970998926
1975-11-01	85.8216970998926
1975-12-01	85.9136034343976
1976-01-01	84.8728246318608
1976-02-01	84.8152115693626
1976-03-01	85.4350736278447
1976-04-01	85.6072766185126
1976-05-01	85.6074766355140
1976-06-01	85.6800000000000
1976-07-01	85.7104700854701
1976-08-01	85.5466666666667
1976-09-01	85.3418462357010
1976-10-01	85.2315061202768
1976-11-01	85.3418462357010
1976-12-01	84.9588094605368
1977-01-01	84.1295116772824
1977-02-01	84.1699867197875
1977-03-01	85.0849256900212
1977-04-01	85.1380042462845
1977-05-01	85.1283408309076
1977-06-01	85.2910052910053
1977-07-01	85.4381784485041
1977-08-01	85.0462351387054
1977-09-01	84.9116328145608
1977-10-01	84.6032164513578
1977-11-01	84.9235635213495
1977-12-01	84.8181338956247
1978-01-01	83.9271575613618
1978-02-01	84.2785544711158
1978-03-01	84.9683544303798
1978-04-01	85.4770690564048
1978-05-01	85.8569926393270
1978-06-01	85.6279558591697
1978-07-01	85.3350854139290
1978-08-01	84.8556430446194
1978-09-01	84.6537250786988
1978-10-01	84.6738276133089
1978-11-01	84.8651479444881
1978-12-01	84.5166361016505
1979-01-01	83.7562123986398
1979-02-01	83.8085273345540
1979-03-01	84.5129276573518
1979-04-01	85.1619644723093
1979-05-01	85.5204800417428
1979-06-01	85.9004430544696
1979-07-01	85.9452411994785
1979-08-01	85.3086741338890
1979-09-01	84.5473465140479
1979-10-01	84.9193967758710
1979-11-01	84.8390446521288
1979-12-01	84.6093952764080
1980-01-01	83.9169909208820
1980-02-01	83.5797665369650
1980-03-01	84.4260171028764
1980-04-01	84.9159120310479
1980-05-01	84.9212496772528
1980-06-01	85.3457172342621
1980-07-01	85.3381517811048
1980-08-01	84.8672338231503
1980-09-01	84.6628924343798
1980-10-01	84.8445928589776
1980-11-01	84.6647829437452
1980-12-01	84.5026985350810
1981-01-01	84.0430990251411
1981-02-01	84.1551104262969
1981-03-01	85.0218004616568
1981-04-01	85.3514622883530
1981-05-01	85.1652574942352
1981-06-01	85.5569782330346
1981-07-01	85.3521126760564
1981-08-01	84.9795291709314
1981-09-01	84.4836400817996
1981-10-01	84.4149207971385
1981-11-01	84.4189016602810
1981-12-01	84.0020444671608
1982-01-01	83.5927532533810
1982-02-01	83.8816628411120
1982-03-01	84.8662420382166
1982-04-01	85.6560509554140
1982-05-01	85.4346720894764
1982-06-01	85.1015228426396
1982-07-01	85.0469662350850
1982-08-01	84.8784194528876
1982-09-01	84.5394736842105
1982-10-01	84.5978755690440
1982-11-01	84.7359110437200
1982-12-01	84.6639717028802
1983-01-01	84.2875157629256
1983-02-01	84.0685656667507
1983-03-01	84.4931921331316
1983-04-01	85.2141057934509
1983-05-01	85.5273093380317
1983-06-01	85.5600200904068
1983-07-01	85.2335509794073
1983-08-01	84.8910047607116
1983-09-01	84.6596596596596
1983-10-01	84.5634225669252
1983-11-01	84.5788552861784
1983-12-01	84.2039490127468
1984-01-01	83.7871596302773
1984-02-01	83.7952559300874
1984-03-01	84.0818363273453
1984-04-01	84.7571606475716
1984-05-01	84.8258706467662
1984-06-01	84.9230004967710
1984-07-01	84.6000993541977
1984-08-01	84.5314823996034
1984-09-01	84.5087849542192
1984-10-01	84.2977250247280
1984-11-01	84.2274412855377
1984-12-01	83.8773491592483
1985-01-01	83.3415597235933
1985-02-01	83.0495928941525
1985-03-01	83.6417468541821
1985-04-01	84.3518974864465
1985-05-01	84.3334972946385
1985-06-01	84.2558425584256
1985-07-01	84.1445427728614
1985-08-01	83.8202798919715
1985-09-01	83.7904015670911
1985-10-01	83.6554930266699
1985-11-01	83.6225861647519
1985-12-01	83.2029339853301
1986-01-01	82.9018075232047
1986-02-01	82.6012689116642
1986-03-01	83.3089668615984
1986-04-01	84.1130604288499
1986-05-01	83.9873263465757
1986-06-01	83.8811784757731
1986-07-01	84.1389361185329
1986-08-01	84.0804458444391
1986-09-01	83.6517533252721
1986-10-01	83.4904520183708
1986-11-01	83.3252779120348
1986-12-01	82.8861493836113
1987-01-01	82.3472591161555
1987-02-01	82.2549492998551
1987-03-01	83.0402312695736
1987-04-01	83.6543090996630
1987-05-01	83.6341756919374
1987-06-01	83.6298076923077
1987-07-01	83.7053035757139
1987-08-01	83.8964773544213
1987-09-01	83.3972208912314
1987-10-01	83.2256520698732
1987-11-01	83.0905182708383
1987-12-01	82.6844996417483
1988-01-01	82.0824398379795
1988-02-01	82.0109602096736
1988-03-01	82.6657129232236
1988-04-01	83.3928146561980
1988-05-01	83.4283000949668
1988-06-01	83.6303159895462
1988-07-01	83.5349940688019
1988-08-01	83.4083906138896
1988-09-01	82.8483558079016
1988-10-01	82.7072997873848
1988-11-01	82.9009433962264
1988-12-01	82.6723323890463
1989-01-01	81.8739674297852
1989-02-01	82.0434167059934
1989-03-01	82.6496935407826
1989-04-01	83.4315342917747
1989-05-01	83.4862385321101
1989-06-01	83.6269673478976
1989-07-01	83.6303939962476
1989-08-01	83.2474226804124
1989-09-01	82.7836257309941
1989-10-01	82.8618190320318
1989-11-01	83.0643274853801
1989-12-01	82.8110383536015
1990-01-01	82.0327102803738
1990-02-01	82.2772971709142
1990-03-01	82.8424497428705
1990-04-01	83.3723105706268
1990-05-01	83.8536812674744
1990-06-01	83.7371854613234
1990-07-01	83.7371854613234
1990-08-01	83.1510356062369
1990-09-01	83.4610917537747
1990-10-01	83.9331321105178
1990-11-01	83.4610917537747
1990-12-01	83.2210085986521
1991-01-01	82.5824431026475
1991-02-01	82.6632581919591
1991-03-01	83.7160751565762
1991-04-01	83.9786691398099
1991-05-01	84.1398471868488
1991-06-01	84.2397593149734
1991-07-01	84.0157298172566
1991-08-01	83.8031423290203
1991-09-01	83.9640055376096
1991-10-01	83.9141472420956
1991-11-01	83.8992838992839
1991-12-01	83.7844089752487
1992-01-01	83.4104581212402
1992-02-01	83.5375722543353
1992-03-01	83.8918419228103
1992-04-01	84.5441925034706
1992-05-01	84.4875346260388
1992-06-01	84.1134424717547
1992-07-01	84.5515333179617
1992-08-01	84.3087557603687
1992-09-01	84.0663136081050
1992-10-01	84.4649021864212
1992-11-01	84.4986200551978
1992-12-01	84.3462246777164
1993-01-01	83.4752589182969
1993-02-01	83.6363636363636
1993-03-01	84.0616375344986
1993-04-01	84.5799769850403
1993-05-01	84.8770397609745
1993-06-01	84.7426470588235
1993-07-01	84.9299333792787
1993-08-01	84.6877869605142
1993-09-01	84.5836200963524
1993-10-01	84.8714416896235
1993-11-01	84.7407067462139
1993-12-01	84.4689148887360
1994-01-01	83.5550458715596
1994-02-01	83.5820895522388
1994-03-01	84.1102181400689
1994-04-01	84.5552746495059
1994-05-01	84.9896717925178
1994-06-01	84.8783845800826
1994-07-01	84.9931161083066
1994-08-01	84.9770642201835
1994-09-01	84.7387717690192
1994-10-01	84.6665138666056
1994-11-01	84.4108207244384
1994-12-01	84.2696629213483
1995-01-01	83.4975933990374
1995-02-01	83.3830617397292
1995-03-01	84.1284403669725
1995-04-01	84.6772340914312
1995-05-01	84.7671484285386
1995-06-01	84.8922512608895
1995-07-01	85.2455254703993
1995-08-01	85.0619550252409
1995-09-01	84.9873939949576
1995-10-01	85.0332340132936
1995-11-01	84.8075160403300
1995-12-01	84.5906902086677
1996-01-01	84.1127922971114
1996-02-01	84.0569722030783
1996-03-01	84.4827586206896
1996-04-01	85.1494252873563
1996-05-01	85.4028000918063
1996-06-01	85.5897200550711
1996-07-01	85.7569492304158
1996-08-01	85.6913183279743
1996-09-01	85.4257516639890
1996-10-01	85.3373106929784
1996-11-01	85.1010101010101
1996-12-01	85.2974959797841
1997-01-01	84.9484536082474
1997-02-01	84.7512038523274
1997-03-01	85.3278312700596
1997-04-01	85.7470736745467
1997-05-01	86.1104744441898
1997-06-01	86.1200183234082
1997-07-01	85.9926639156350
1997-08-01	85.6847900894701
1997-09-01	85.4524627720504
1997-10-01	85.3803849679194
1997-11-01	85.0985786336543
1997-12-01	85.2259692590044
1998-01-01	84.8095456631482
1998-02-01	84.5500459136823
1998-03-01	85.1444291609354
1998-04-01	85.5075792374828
1998-05-01	85.9044995408632
1998-06-01	86.0454441129217
1998-07-01	85.7077311309934
1998-08-01	85.5700848818536
1998-09-01	85.5012617572838
1998-10-01	85.5175579527198
1998-11-01	85.3865565496674
1998-12-01	85.3860294117647
1999-01-01	85.1894374282434
1999-02-01	84.8240974936767
1999-03-01	85.1093210586882
1999-04-01	85.4905573468448
1999-05-01	85.7800276115969
1999-06-01	85.8688147295742
1999-07-01	85.5005753739931
1999-08-01	85.5335786568537
1999-09-01	85.6058864106691
1999-10-01	85.5795768169273
1999-11-01	85.3069671188779
1999-12-01	85.3035878564857
2000-01-01	84.7871116225546
2000-02-01	84.6029919447641
2000-03-01	85.0956000921447
2000-04-01	85.4243542435424
2000-05-01	85.8229598893499
2000-06-01	85.6121743140420
2000-07-01	85.3979238754325
2000-08-01	85.5758135241172
2000-09-01	85.5891169010837
2000-10-01	85.6088560885609
2000-11-01	85.6286043829296
2000-12-01	85.3748558246828
2001-01-01	84.6882217090069
2001-02-01	84.5441925034706
2001-03-01	85.0439204808137
2001-04-01	85.6018518518518
2001-05-01	85.7341040462428
2001-06-01	85.3573907009022
2001-07-01	85.4200416570238
2001-08-01	85.5820411941680
2001-09-01	85.0266142096737
2001-10-01	85.0370027752081
2001-11-01	84.9907493061980
2001-12-01	84.6865602590794
2002-01-01	84.2641946697566
2002-02-01	84.2044134727062
2002-03-01	84.8477806181734
2002-04-01	85.2153667054715
2002-05-01	85.0465116279070
2002-06-01	85.0069735006974
2002-07-01	85.0860865518846
2002-08-01	85.3851524319292
2002-09-01	84.9104859335038
2002-10-01	85.0697674418605
2002-11-01	84.6189699370776
2002-12-01	84.5076994867009
2003-01-01	84.2596917328351
2003-02-01	84.1514726507714
2003-03-01	84.6907817969662
2003-04-01	84.9427168576105
2003-05-01	85.0268628825041
2003-06-01	85.0209986000933
2003-07-01	84.8435310602522
2003-08-01	84.8796447768170
2003-09-01	84.8003735699276
2003-10-01	84.8166316281243
2003-11-01	84.8867087129175
2003-12-01	84.6676029962547
2004-01-01	84.0430510060833
2004-02-01	83.8921453692849
2004-03-01	83.9344262295082
2004-04-01	84.6009829159841
2004-05-01	84.7036776762708
2004-06-01	84.5305164319249
2004-07-01	84.6045529218493
2004-08-01	84.7994370161858
2004-09-01	84.4548651817116
2004-10-01	84.5937059652419
2004-11-01	84.5738436252641
2004-12-01	84.2612168193564
2005-01-01	83.8861444366031
2005-02-01	83.6590534494938
2005-03-01	84.1112682696841
2005-04-01	84.5010615711253
2005-05-01	84.6045197740113
2005-06-01	84.6734260787550
2005-07-01	84.8041529023124
2005-08-01	84.7533632286996
2005-09-01	84.9563782126857
2005-10-01	85.0129808827000
2005-11-01	84.7389558232932
2005-12-01	84.4680851063830
2006-01-01	84.2404164694747
2006-02-01	84.2654028436019
2006-03-01	84.8119233498936
2006-04-01	85.1957295373666
2006-05-01	85.2808722446077
2006-06-01	85.1658767772512
2006-07-01	84.9146110056926
2006-08-01	84.9916884350511
2006-09-01	85.0225492523143
2006-10-01	85.1068883610451
2006-11-01	84.7469707769066
2006-12-01	84.6263683960019
2007-01-01	84.5053635280096
2007-02-01	84.7841640829955
2007-03-01	85.1957975167144
2007-04-01	85.8337314859054
2007-05-01	85.8404966571156
2007-06-01	85.7142857142857
2007-07-01	85.3524492234170
2007-08-01	85.3011472275335
2007-09-01	85.5058598421430
2007-10-01	85.5127898637342
2007-11-01	85.2596314907873
2007-12-01	84.9377394636015
2008-01-01	84.6872753414810
2008-02-01	84.8165027584553
2008-03-01	84.7946192649532
2008-04-01	85.4842585916847
2008-05-01	86.0917607494595
2008-06-01	85.5528846153846
2008-07-01	84.9687349687350
2008-08-01	85.7280385078219
2008-09-01	85.5595667870036
2008-10-01	85.4287090558767
2008-11-01	85.3012048192771
2008-12-01	85.0663449939686
2009-01-01	84.6655397247042
2009-02-01	84.5502901353965
2009-03-01	84.7568352286475
2009-04-01	85.2093923989349
2009-05-01	85.5205811138014
2009-06-01	85.1708262660528
2009-07-01	84.9454545454546
2009-08-01	85.1770984958758
2009-09-01	85.0836769342712
2009-10-01	85.0800582241630
2009-11-01	84.6564700169944
2009-12-01	84.3985419198056
2010-01-01	84.5368344274252
2010-02-01	84.3757605256754
2010-03-01	85.0706283487579
2010-04-01	85.2267186738176
2010-05-01	85.2862362971986
2010-06-01	85.2618757612668
2010-07-01	84.9171539961014
2010-08-01	85.0706283487579
2010-09-01	85.0913520097442
2010-10-01	84.9695493300852
2010-11-01	84.7916158908116
2010-12-01	84.6285018270402
2011-01-01	84.5029239766082
2011-02-01	84.4298245614035
2011-03-01	84.9779086892489
2011-04-01	85.6335952848723
2011-05-01	85.7563850687623
2011-06-01	85.6511056511056
2011-07-01	85.0896585605502
2011-08-01	84.8842934515017
2011-09-01	84.3070153996578
2011-10-01	84.5025666096309
2011-11-01	84.5570239843368
2011-12-01	84.5042839657283
2012-01-01	84.2930654251409
2012-02-01	83.9675914559293
2012-03-01	83.9518309166871
2012-04-01	84.5264452644526
2012-05-01	84.4712842001479
2012-06-01	84.9852071005917
2012-07-01	84.5508390918065
2012-08-01	84.3757725587144
2012-09-01	84.5373577436912
2012-10-01	84.6953937592868
2012-11-01	84.3827466534457
2012-12-01	83.8629592850050
2013-01-01	84.3034825870647
2013-02-01	84.0269125342636
2013-03-01	84.1028200648864
2013-04-01	84.7788052986754
2013-05-01	84.9037740564859
2013-06-01	85.1138353765324
2013-07-01	84.7521281922884
2013-08-01	84.9047141424273
2013-09-01	84.8294884653962
2013-10-01	84.6675031367629
2013-11-01	84.7989949748744
2013-12-01	84.3812877263582
2014-01-01	84.3497983870968
2014-02-01	84.4191919191919
2014-03-01	84.8507840161861
2014-04-01	85.2620916687769
2014-05-01	85.4140288680679
2014-06-01	85.2471482889734
2014-07-01	84.8769347881248
2014-08-01	85.0901701803404
2014-09-01	85.3150406504065
2014-10-01	85.0419740524040
2014-11-01	84.6232179226069
2014-12-01	84.6585117227319
2015-01-01	84.7115875446656
2015-02-01	84.7864996164664
2015-03-01	84.8988994113130
2015-04-01	85.0153688524590
2015-05-01	85.0845720143516
2015-06-01	85.0589441312148
2015-07-01	84.8679148499615
2015-08-01	85.1347881899872
2015-09-01	85.6006160164271
2015-10-01	85.4353968661700
2015-11-01	85.0642673521851
2015-12-01	85.2032938754503
2016-01-01	84.9304482225657
2016-02-01	85.1278079008520
2016-03-01	85.1239669421488
2016-04-01	85.6256463288521
2016-05-01	85.8324715615305
2016-06-01	85.6736488233773
2016-07-01	85.4592496765847
2016-08-01	85.8290155440414
2016-09-01	85.9771902540176
2016-10-01	85.9844559585492
2016-11-01	85.4069466044583
2016-12-01	85.6549935149157
2017-01-01	85.3437094682231
2017-02-01	85.0311850311850
2017-03-01	85.0494019760790
2017-04-01	85.4763144195731
2017-05-01	85.9744990892532
2017-06-01	85.8890913824525
2017-07-01	85.8854166666667
2017-08-01	85.7998957790516
2017-09-01	85.9338369367023
2017-10-01	85.9822824387702
2017-11-01	85.5541069100391
2017-12-01	85.6396866840731
2018-01-01	85.6284295793049
2018-02-01	85.5610776876798
2018-03-01	85.8115183246073
2018-04-01	86.2457427298926
2018-05-01	86.6125229237621
2018-06-01	86.6527087149961
2018-07-01	86.3207547169811
2018-08-01	86.3624442696040
2018-09-01	86.3433813892530