Month	Percent
1978-02-01	78.2356560189256
1978-03-01	77.7900242221433
1978-04-01	77.3932207813301
1978-05-01	77.2378301541422
1978-06-01	77.7039720305349
1978-07-01	77.2864271769428
1978-08-01	77.4178019680609
1978-09-01	78.3399565395089
1978-10-01	77.6450860785544
1978-11-01	78.2715786155065
1978-12-01	78.4579475889016
1979-01-01	79.0925161633223
1979-02-01	78.2373792188654
1979-03-01	78.4570393374682
1979-04-01	78.8279027887343
1979-05-01	78.9195641868121
1979-06-01	78.8583506816906
1979-07-01	79.1175738690779
1979-08-01	79.7434159230129
1979-09-01	79.1736916137194
1979-10-01	79.4407611845121
1979-11-01	79.0307190271568
1979-12-01	79.5448973508430
1980-01-01	80.0026491527384
1980-02-01	79.0500286915960
1980-03-01	78.3497053944849
1980-04-01	78.5316134049437
1980-05-01	77.7307913701014
1980-06-01	78.1801612394117
1980-07-01	77.3811668824418
1980-08-01	78.0094685687316
1980-09-01	76.7743250373629
1980-10-01	78.0899592043466
1980-11-01	77.8666360459513
1980-12-01	78.1339905227259
1981-01-01	79.2211769770142
1981-02-01	79.0869212057718
1981-03-01	79.1163942503663
1981-04-01	79.1662760694863
1981-05-01	79.0941551526285
1981-06-01	79.5278666790116
1981-07-01	78.6084286152504
1981-08-01	78.5248634080960
1981-09-01	77.7920903262275
1981-10-01	78.1059671136696
1981-11-01	78.6509048951620
1981-12-01	78.6310527298739
1982-01-01	80.1607107125376
1982-02-01	79.7012827124069
1982-03-01	78.9914234145573
1982-04-01	79.6365630278221
1982-05-01	80.5241568564626
1982-06-01	80.3511483617285
1982-07-01	81.2288904573379
1982-08-01	81.7417074244846
1982-09-01	80.3420838186588
1982-10-01	78.7952590380971
1982-11-01	79.6116944924424
1982-12-01	79.2541506895877
1983-01-01	80.0098728971019
1983-02-01	78.8425399429689
1983-03-01	78.0291257997097
1983-04-01	79.3771671012036
1983-05-01	79.9291573240218
1983-06-01	79.7522127322445
1983-07-01	79.3768481352770
1983-08-01	79.5170405372920
1983-09-01	78.8749716003309
1983-10-01	79.7087715680994
1983-11-01	79.8765866520454
1983-12-01	78.8567694733967
1984-01-01	80.4886358539182
1984-02-01	78.7571730051748
1984-03-01	78.6285783706395
1984-04-01	79.1397560854644
1984-05-01	79.6251676492855
1984-06-01	79.1775879242824
1984-07-01	79.2490036350399
1984-08-01	80.2433844059728
1984-09-01	79.1707993188396
1984-10-01	79.5064927962635
1984-11-01	79.0816248637717
1984-12-01	78.9594890358235
1985-01-01	80.2888462322063
1985-02-01	79.8368277228346
1985-03-01	79.1751472749414
1985-04-01	80.5035644919492
1985-05-01	80.4292231615577
1985-06-01	79.5355875056108
1985-07-01	79.7145008385732
1985-08-01	80.7801145819658
1985-09-01	79.0442980558098
1985-10-01	79.4051841190776
1985-11-01	79.3709324696464
1985-12-01	79.8326392621731
1986-01-01	80.0987515063517
1986-02-01	78.9910957008309
1986-03-01	78.0822505500355
1986-04-01	77.9767365121496
1986-05-01	78.0529164296164
1986-06-01	78.9267405764615
1986-07-01	79.0086327445900
1986-08-01	79.2827710922704
1986-09-01	78.2328991595377
1986-10-01	78.7598998362261
1986-11-01	77.7336718188918
1986-12-01	78.1027136961482
1987-01-01	78.7951350046972
1987-02-01	78.1349826380716
1987-03-01	76.3009655757398
1987-04-01	77.7823171215962
1987-05-01	76.8468104004638
1987-06-01	77.5707686203505
1987-07-01	77.4232570828658
1987-08-01	78.2498542642268
1987-09-01	77.5924534087783
1987-10-01	77.8648262064625
1987-11-01	78.3877752185126
1987-12-01	78.3558233071408
1988-01-01	79.0435676580767
1988-02-01	78.8286244288322
1988-03-01	76.6716979811512
1988-04-01	77.5927416993448
1988-05-01	77.0819689717718
1988-06-01	77.2636430965469
1988-07-01	77.7520333278600
1988-08-01	77.1563488840355
1988-09-01	76.3864863914831
1988-10-01	76.7910486335046
1988-11-01	76.3406695943429
1988-12-01	75.7657005824477
1989-01-01	77.5381035338106
1989-02-01	76.3445976443328
1989-03-01	75.5658611781556
1989-04-01	76.5989271881044
1989-05-01	75.2382980176161
1989-06-01	76.2345862911158
1989-07-01	76.9840195532280
1989-08-01	77.3154161051070
1989-09-01	75.5691827856279
1989-10-01	76.6265853921114
1989-11-01	76.0579920253001
1989-12-01	76.5268069894346
1990-01-01	77.8306972959172
1990-02-01	76.6864357900040
1990-03-01	76.4223782882772
1990-04-01	76.0530165169349
1990-05-01	75.4968525624887
1990-06-01	75.1944114472535
1990-07-01	74.3897425894621
1990-08-01	75.0752903432898
1990-09-01	73.3635344071773
1990-10-01	74.0183338985924
1990-11-01	73.1681359517184
1990-12-01	74.1693891566765
1991-01-01	75.6019042957320
1991-02-01	74.4873732069331
1991-03-01	74.6575291212014
1991-04-01	74.6215361256942
1991-05-01	74.1602998151862
1991-06-01	74.4468259465024
1991-07-01	75.9187389463691
1991-08-01	75.0850827246471
1991-09-01	73.8450157874027
1991-10-01	74.2296894308631
1991-11-01	74.3328388367979
1991-12-01	74.1596136033325
1992-01-01	75.5865487297681
1992-02-01	74.8899422376839
1992-03-01	74.8017955129969
1992-04-01	74.3117098888767
1992-05-01	74.7784376500852
1992-06-01	74.6874812676567
1992-07-01	74.1486742673950
1992-08-01	75.4339935352165
1992-09-01	73.6709839859476
1992-10-01	74.7737593036682
1992-11-01	74.5614375373907
1992-12-01	75.2117829177948
1993-01-01	75.2884818327354
1993-02-01	74.8615487214607
1993-03-01	73.6948328085518
1993-04-01	74.7135658244708
1993-05-01	74.1022327970648
1993-06-01	74.2843834061623
1993-07-01	73.4864939717205
1993-08-01	74.2057737640904
1993-09-01	72.2707193957044
1993-10-01	72.6652851970846
1993-11-01	72.4321760649418
1993-12-01	73.4828364748139
1994-01-01	74.4963234175903
1994-02-01	72.9052325660140
1994-03-01	72.0052177690799
1994-04-01	72.0752040758363
1994-05-01	71.8730977562305
1994-06-01	72.3778579166036
1994-07-01	71.9840997816753
1994-08-01	73.3411528558873
1994-09-01	70.8241060316118
1994-10-01	72.2588646056154
1994-11-01	71.9428335544150
1994-12-01	71.8492919373744
1995-01-01	74.2944478425565
1995-02-01	72.4264469104997
1995-03-01	72.0716151420825
1995-04-01	71.4211254615754
1995-05-01	71.6435725078455
1995-06-01	71.2218822000150
1995-07-01	71.8185540578729
1995-08-01	72.1600039276043
1995-09-01	70.3319298497578
1995-10-01	70.9013453228621
1995-11-01	69.7654979850393
1995-12-01	69.8687626693998
1996-01-01	70.6867316447927
1996-02-01	69.2799212910540
1996-03-01	68.2143742749181
1996-04-01	69.5596567574800
1996-05-01	69.2681310180741
1996-06-01	68.7368845040564
1996-07-01	69.4610613458533
1996-08-01	68.8334303714770
1996-09-01	68.3164035292842
1996-10-01	69.1116576064644
1996-11-01	69.1558226256511
1996-12-01	69.3037625410251
1997-01-01	70.5109555226775
1997-02-01	69.1939074907393
1997-03-01	67.6485659659036
1997-04-01	68.3718166898395
1997-05-01	69.0375366945333
1997-06-01	68.4343392523628
1997-07-01	68.8485560341522
1997-08-01	69.3561193970844
1997-09-01	67.6307880461408
1997-10-01	70.1367738917026
1997-11-01	68.1258601805920
1997-12-01	68.4146749901412
1998-01-01	70.1033805413982
1998-02-01	68.6433948588868
1998-03-01	68.1217147575571
1998-04-01	67.6729511290680
1998-05-01	67.2835377037003
1998-06-01	67.0594450760294
1998-07-01	66.6018162615118
1998-08-01	67.7100299618408
1998-09-01	66.4241034180933
1998-10-01	67.9404771287496
1998-11-01	67.4485191827009
1998-12-01	67.6166420335314
1999-01-01	69.1913323438804
1999-02-01	69.2004909128077
1999-03-01	68.2436468458895
1999-04-01	67.8952396968686
1999-05-01	68.6084404647641
1999-06-01	67.9816133042087
1999-07-01	67.8300980911411
1999-08-01	68.3461591282620
1999-09-01	65.2977536089532
1999-10-01	66.8389634313473
1999-11-01	65.7414436527693
1999-12-01	66.2113447612582
2000-01-01	66.7522960176326
2000-02-01	65.8846460865685
2000-03-01	64.8021877115973
2000-04-01	64.1418283889528
2000-05-01	64.3661683339114
2000-06-01	64.2403422881660
2000-07-01	64.0876880695234
2000-08-01	64.0070168965941
2000-09-01	63.9606121782532
2000-10-01	64.2371135809181
2000-11-01	64.9768068374979
2000-12-01	64.5431378454876
2001-01-01	66.4415233539763
2001-02-01	64.2347847240157
2001-03-01	63.5525154612981
2001-04-01	62.6962327889688
2001-05-01	62.5836085174182
2001-06-01	62.1312828078618
2001-07-01	63.0091436241402
2001-08-01	63.1795557910423
2001-09-01	61.4968708118408
2001-10-01	61.8700983264491
2001-11-01	61.8388203589947
2001-12-01	61.7915362851337
2002-01-01	62.4907830787542
2002-02-01	60.6157269555868
2002-03-01	60.6788833277793
2002-04-01	61.1208878688064
2002-05-01	61.1368132180043
2002-06-01	61.1488330890030
2002-07-01	61.6590694708131
2002-08-01	61.3486416522573
2002-09-01	60.3813744946596
2002-10-01	60.4656270498188
2002-11-01	60.3579369249626
2002-12-01	59.9321506521764
2003-01-01	61.1749281103286
2003-02-01	59.8026408387021
2003-03-01	59.3080093338394
2003-04-01	59.7597025695106
2003-05-01	58.1146717732801
2003-06-01	58.3043277725926
2003-07-01	59.0075550114152
2003-08-01	59.4390960676894
2003-09-01	58.2971246261216
2003-10-01	58.9646902294420
2003-11-01	58.9936539586598
2003-12-01	59.0309799225705
2004-01-01	60.9026138365472
2004-02-01	59.2015592628843
2004-03-01	58.2991751481058
2004-04-01	58.6394932350880
2004-05-01	57.5104270459871
2004-06-01	57.2591088821612
2004-07-01	57.0139569180344
2004-08-01	57.2602521750410
2004-09-01	55.3528411502425
2004-10-01	56.2997019041303
2004-11-01	56.4255969346036
2004-12-01	56.9052944782254
2005-01-01	57.0009634098559
2005-02-01	57.1880711993354
2005-03-01	55.8015330889247
2005-04-01	56.2036165207126
2005-05-01	56.3834600995705
2005-06-01	55.4756558337932
2005-07-01	55.3253951425762
2005-08-01	55.6003262496065
2005-09-01	54.1628127470315
2005-10-01	54.6245852531392
2005-11-01	54.6917584014117
2005-12-01	54.8268649075767
2006-01-01	55.8778329838346
2006-02-01	54.1502257061129
2006-03-01	52.7154452606817
2006-04-01	53.5905691437586
2006-05-01	52.6900096430457
2006-06-01	52.5372095750805
2006-07-01	52.9276534153251
2006-08-01	52.3430553616768
2006-09-01	50.9056815341020
2006-10-01	51.7999346190582
2006-11-01	52.2307630460763
2006-12-01	51.6280850284813
2007-01-01	52.7920089559601
2007-02-01	52.2540857242888
2007-03-01	51.8357902858928
2007-04-01	51.7449728049390
2007-05-01	50.8812010411448
2007-06-01	51.2285686725455
2007-07-01	51.3020833045514
2007-08-01	51.4719643118528
2007-09-01	50.8078537991410
2007-10-01	51.4408715950176
2007-11-01	50.8645425628908
2007-12-01	50.7394639838335
2008-01-01	51.5837802718975
2008-02-01	50.7294939480078
2008-03-01	51.3969239765292
2008-04-01	50.4646614556599
2008-05-01	50.0852458545894
2008-06-01	49.7340894232057
2008-07-01	49.8175875309292
2008-08-01	49.4148976483322
2008-09-01	48.1102789214627
2008-10-01	49.0342849120024
2008-11-01	48.8562492902747
2008-12-01	49.7178336182336
2009-01-01	49.3812428670326
2009-02-01	47.3238354271502
2009-03-01	47.2239848107625
2009-04-01	47.9137818837742
2009-05-01	46.3873752576022
2009-06-01	46.6991451797769
2009-07-01	47.2309711315363
2009-08-01	48.1055635591361
2009-09-01	47.0746705806615
2009-10-01	46.8925376025165
2009-11-01	45.8318691752511
2009-12-01	45.4647383010432
2010-01-01	47.5461956069981
2010-02-01	46.3462434979608
2010-03-01	45.6795545228202
2010-04-01	46.0816556721539
2010-05-01	46.5563880087702
2010-06-01	46.3311203371005
2010-07-01	46.2008779206591
2010-08-01	45.9287381993156
2010-09-01	44.6427210048500
2010-10-01	44.7163694174547
2010-11-01	45.1361933887954
2010-12-01	45.1148853075148
2011-01-01	47.2255948082901
2011-02-01	46.0525357481527
2011-03-01	45.3391655930602
2011-04-01	45.8533063961258
2011-05-01	45.4732273704969
2011-06-01	44.2168431116757
2011-07-01	44.4496634260609
2011-08-01	43.9666393107549
2011-09-01	44.0651365609741
2011-10-01	44.5363876388265
2011-11-01	44.8151423651056
2011-12-01	44.3274407845555
2012-01-01	45.6787077245689
2012-02-01	44.9847019873661
2012-03-01	44.1326309996459
2012-04-01	44.1455778086851
2012-05-01	44.1813952264235
2012-06-01	44.2409778196801
2012-07-01	44.1446897377346
2012-08-01	44.3770514908167
2012-09-01	43.0957132023062
2012-10-01	43.9679597970012
2012-11-01	44.5125128258821
2012-12-01	44.6164429469207
2013-01-01	46.1486363547004
2013-02-01	43.7878934256933
2013-03-01	43.7990408010220
2013-04-01	43.2899082420394
2013-05-01	43.6289943355225
2013-06-01	43.5419572690337
2013-07-01	45.1265406265204
2013-08-01	44.0519744424844
2013-09-01	43.6890602458160
2013-10-01	44.6672157575902
2013-11-01	44.2957431784325
2013-12-01	44.5123318190110
2014-01-01	46.4115873420083
2014-02-01	44.2015809312540
2014-03-01	43.8614371491144
2014-04-01	44.2637376255121
2014-05-01	43.5624694449855
2014-06-01	42.9230772950547
2014-07-01	42.9988073914655
2014-08-01	42.6838605530725
2014-09-01	43.9222926658695
2014-10-01	43.8942914605967
2014-11-01	43.8997528546427
2014-12-01	43.3449679505797
2015-01-01	44.6896469459147
2015-02-01	43.2222035555318
2015-03-01	44.0335438369623
2015-04-01	43.6501941707661
2015-05-01	42.8875743359124
2015-06-01	42.9993364289154
2015-07-01	42.4834242606446
2015-08-01	43.2747601980814
2015-09-01	42.4541695121986
2015-10-01	40.8764869773732
2015-11-01	40.9316304416740
2015-12-01	41.3172381362778
2016-01-01	42.2657836026982
2016-02-01	40.9809684561613
2016-03-01	40.6016488816338
2016-04-01	40.9751596654326
2016-05-01	40.9327226352573
2016-06-01	41.1222752299003
2016-07-01	41.4947246565409
2016-08-01	41.3011049071213
2016-09-01	41.5264846808943
2016-10-01	41.4370686871101
2016-11-01	40.7393190616568
2016-12-01	40.7316303591217
2017-01-01	41.5820243471445
2017-02-01	40.3560913496423
2017-03-01	40.0556904929585
2017-04-01	40.2342576834864
2017-05-01	39.0270867414180
2017-06-01	38.8777656667679
2017-07-01	40.0811591438150
2017-08-01	39.4665761383782
2017-09-01	39.6397675858254
2017-10-01	40.0021096857798
2017-11-01	39.4327564176619
2017-12-01	40.1294704342876
2018-01-01	42.0952789360829
2018-02-01	39.5332315896716
2018-03-01	40.0774161956316
2018-04-01	40.2207062079240
2018-05-01	39.3319850862832
2018-06-01	39.1407308547501
2018-07-01	39.4125297858230
2018-08-01	38.5803811809203
2018-09-01	39.1312127467832