Month	Percent
1978-01-01	45.9364782811770
1978-02-01	46.2777129521587
1978-03-01	47.6991357159542
1978-04-01	49.3460999532929
1978-05-01	51.1416589002796
1978-06-01	51.6631774831356
1978-07-01	50.5706964826462
1978-08-01	50.0000000000000
1978-09-01	50.3026070763501
1978-10-01	50.4299326051592
1978-11-01	49.4308943089431
1978-12-01	48.3623693379791
1979-01-01	47.5406032482599
1979-02-01	47.0342910101946
1979-03-01	47.9972215790692
1979-04-01	49.9305876908838
1979-05-01	51.1305952930318
1979-06-01	51.1316397228637
1979-07-01	50.9015256588072
1979-08-01	50.6922011998154
1979-09-01	50.5646462318507
1979-10-01	50.8060801473975
1979-11-01	49.6550137994480
1979-12-01	48.1038841645599
1980-01-01	46.8534680753330
1980-02-01	46.9359651136103
1980-03-01	48.0853015363449
1980-04-01	50.2868946522837
1980-05-01	51.0882016036655
1980-06-01	51.4985129261039
1980-07-01	51.2920192087812
1980-08-01	50.9584664536741
1980-09-01	51.0138983823194
1980-10-01	50.3987240829346
1980-11-01	49.6010941417825
1980-12-01	48.3716693236165
1981-01-01	47.0481380563124
1981-02-01	46.8331441543700
1981-03-01	48.1271282633371
1981-04-01	50.4876389203901
1981-05-01	51.2471655328798
1981-06-01	51.1216859279402
1981-07-01	50.8950827101745
1981-08-01	50.4751131221720
1981-09-01	50.6331976481230
1981-10-01	50.7692307692308
1981-11-01	50.4531037607612
1981-12-01	49.5013599274705
1982-01-01	47.9557262254348
1982-02-01	47.8987799367375
1982-03-01	49.1988264500113
1982-04-01	50.5744537057896
1982-05-01	51.7543859649123
1982-06-01	51.6520566419420
1982-07-01	50.9887640449438
1982-08-01	50.5937710060497
1982-09-01	50.9404388714734
1982-10-01	51.3296089385475
1982-11-01	50.4915102770331
1982-12-01	50.0335645558290
1983-01-01	49.1279069767442
1983-02-01	49.1282968261064
1983-03-01	50.4244861483467
1983-04-01	52.0312500000000
1983-05-01	52.9201961658493
1983-06-01	52.6843394965471
1983-07-01	52.3268759741706
1983-08-01	52.1681120747165
1983-09-01	52.4317121918721
1983-10-01	52.4411895250777
1983-11-01	51.3861166555777
1983-12-01	49.8669623059867
1984-01-01	48.5163861824624
1984-02-01	48.5606731620903
1984-03-01	50.2102235007745
1984-04-01	52.0114942528736
1984-05-01	52.5165562913907
1984-06-01	52.9450694904037
1984-07-01	52.6130099228225
1984-08-01	52.0695728753853
1984-09-01	52.7276726792785
1984-10-01	52.7808309518576
1984-11-01	51.5930564711052
1984-12-01	50.1537785588752
1985-01-01	49.3309936389559
1985-02-01	49.4298245614035
1985-03-01	50.3507233669443
1985-04-01	52.0577933450088
1985-05-01	52.7547004809794
1985-06-01	52.4901703800786
1985-07-01	52.3799126637555
1985-08-01	51.9729670808808
1985-09-01	52.3415377913309
1985-10-01	52.2638223770135
1985-11-01	51.2720156555773
1985-12-01	49.4997825141366
1986-01-01	49.3920972644377
1986-02-01	49.5223621363439
1986-03-01	50.5315686699935
1986-04-01	52.1673168617252
1986-05-01	52.3263362908461
1986-06-01	52.6486486486486
1986-07-01	52.6372676178124
1986-08-01	52.0500647388865
1986-09-01	52.0914187149633
1986-10-01	52.0025839793282
1986-11-01	51.2158381751668
1986-12-01	50.0860955660784
1987-01-01	49.2479587451654
1987-02-01	49.2588614393126
1987-03-01	50.4829362524147
1987-04-01	52.2849173996996
1987-05-01	53.0747803728305
1987-06-01	52.7825342465753
1987-07-01	52.2464698331194
1987-08-01	52.1256141850032
1987-09-01	52.2843723313407
1987-10-01	52.1219876306249
1987-11-01	51.7682147422241
1987-12-01	50.9803921568627
1988-01-01	50.0212675457252
1988-02-01	49.6915549883004
1988-03-01	50.8290816326531
1988-04-01	52.6226375026545
1988-05-01	53.4351145038168
1988-06-01	53.0746395250212
1988-07-01	52.9673590504451
1988-08-01	52.5068753966575
1988-09-01	52.6515951827594
1988-10-01	52.4493243243243
1988-11-01	51.6870518768452
1988-12-01	51.0548523206751
1989-01-01	50.1895534962089
1989-02-01	50.4320337197050
1989-03-01	51.5687513160665
1989-04-01	53.1578947368421
1989-05-01	54.0546218487395
1989-06-01	54.2611251049538
1989-07-01	53.8316187276926
1989-08-01	53.2271584241408
1989-09-01	53.3277521975722
1989-10-01	53.2622333751568
1989-11-01	52.8305828284938
1989-12-01	52.1430064812879
1990-01-01	51.1899791231733
1990-02-01	51.4303612445187
1990-03-01	52.7029847630975
1990-04-01	54.1093032957864
1990-05-01	54.7574432646263
1990-06-01	54.6816479400749
1990-07-01	54.4356518117451
1990-08-01	53.8861180382377
1990-09-01	54.1718555417186
1990-10-01	53.8684920141050
1990-11-01	53.5447761194030
1990-12-01	52.7581916217337
1991-01-01	52.0712510356255
1991-02-01	52.1243523316062
1991-03-01	52.9387417218543
1991-04-01	54.5492142266336
1991-05-01	55.3788973776585
1991-06-01	55.6037151702786
1991-07-01	55.0506093782276
1991-08-01	54.9092409240924
1991-09-01	54.8300720906282
1991-10-01	54.5192505661931
1991-11-01	54.4238683127572
1991-12-01	53.9538714991763
1992-01-01	52.3124357656732
1992-02-01	52.9194078947368
1992-03-01	53.5883199670985
1992-04-01	54.7119341563786
1992-05-01	55.6080525883320
1992-06-01	55.7013945857260
1992-07-01	54.7413793103448
1992-08-01	54.7653207624513
1992-09-01	54.9846468781986
1992-10-01	55.0214767846185
1992-11-01	54.7516860821582
1992-12-01	54.0131040131040
1993-01-01	52.4627018189250
1993-02-01	52.0237121831562
1993-03-01	52.9940731657470
1993-04-01	54.5528787260106
1993-05-01	55.2223582211342
1993-06-01	55.3221859706362
1993-07-01	54.8439730777075
1993-08-01	54.5621181262729
1993-09-01	54.5879959308240
1993-10-01	54.6786004882018
1993-11-01	54.3385490753912
1993-12-01	53.8148524923703
1994-01-01	52.6722210932737
1994-02-01	52.3586823912159
1994-03-01	53.3319788703779
1994-04-01	55.0904287746393
1994-05-01	55.5600649350649
1994-06-01	55.3549695740365
1994-07-01	54.7797848589405
1994-08-01	54.3279951348064
1994-09-01	54.2324827865533
1994-10-01	54.3724696356275
1994-11-01	53.9053014973695
1994-12-01	53.0186385737439
1995-01-01	52.4377908152944
1995-02-01	52.5516403402187
1995-03-01	53.3819360064804
1995-04-01	54.6577561765897
1995-05-01	55.1061678463094
1995-06-01	55.2748585286985
1995-07-01	54.8178137651822
1995-08-01	54.2972699696663
1995-09-01	54.8908649959580
1995-10-01	54.2112704504141
1995-11-01	53.6226034308779
1995-12-01	53.1028906407924
1996-01-01	52.3924894003634
1996-02-01	52.0816491511722
1996-03-01	53.5353535353535
1996-04-01	54.8504446240905
1996-05-01	55.1362260343088
1996-06-01	55.7079467527229
1996-07-01	55.5533117932149
1996-08-01	54.6499899132540
1996-09-01	55.1682450130969
1996-10-01	54.8237663645519
1996-11-01	53.9653784219002
1996-12-01	53.1962089130873
1997-01-01	52.9648241206030
1997-02-01	53.2904004829946
1997-03-01	53.9621882542237
1997-04-01	55.1176352302433
1997-05-01	55.7028112449799
1997-06-01	56.2023283821758
1997-07-01	55.9195979899498
1997-08-01	55.2409638554217
1997-09-01	55.5243633446962
1997-10-01	55.5221487271998
1997-11-01	54.3486973947896
1997-12-01	53.9558232931727
1998-01-01	53.8184004810583
1998-02-01	53.3386805694806
1998-03-01	54.1700080192462
1998-04-01	55.2816195630387
1998-05-01	55.9695512820513
1998-06-01	55.8269923908690
1998-07-01	55.3596473652575
1998-08-01	55.3442754203363
1998-09-01	55.1020408163265
1998-10-01	55.0179928028788
1998-11-01	54.3182726909236
1998-12-01	53.4548367714801
1999-01-01	52.9000000000000
1999-02-01	52.8211284513806
1999-03-01	53.9815926370548
1999-04-01	55.2220888355342
1999-05-01	55.5377848860456
1999-06-01	55.1400000000000
1999-07-01	54.8600000000000
1999-08-01	55.1179528188725
1999-09-01	55.0159872102318
1999-10-01	54.6035550229678
1999-11-01	54.2731629392971
1999-12-01	53.3479912052768
2000-01-01	52.9247354761429
2000-02-01	52.7062113041742
2000-03-01	53.3080151908855
2000-04-01	54.8600000000000
2000-05-01	55.1428000798882
2000-06-01	55.1008185266520
2000-07-01	54.8670797521487
2000-08-01	54.5545345585298
2000-09-01	54.6126198083067
2000-10-01	54.7595290361205
2000-11-01	54.5980450827848
2000-12-01	53.7218120135701
2001-01-01	53.5928143712575
2001-02-01	53.7507501500300
2001-03-01	53.8984406237505
2001-04-01	54.5690861827634
2001-05-01	55.1538154214942
2001-06-01	55.2426602756141
2001-07-01	54.8470917449530
2001-08-01	54.4746304434678
2001-09-01	54.3621481333600
2001-10-01	54.5091779728651
2001-11-01	54.7846889952153
2001-12-01	53.7632261928529
2002-01-01	52.9388244702119
2002-02-01	53.0330330330330
2002-03-01	53.6243492190629
2002-04-01	54.1065705128205
2002-05-01	54.4926956173704
2002-06-01	54.6600000000000
2002-07-01	54.4052863436123
2002-08-01	54.2742742742743
2002-09-01	54.3108621724345
2002-10-01	54.3365307753797
2002-11-01	54.3217286914766
2002-12-01	53.4468937875752
2003-01-01	52.7644230769231
2003-02-01	52.6189042745334
2003-03-01	53.6394626027672
2003-04-01	54.2009223982354
2003-05-01	54.6073717948718
2003-06-01	55.1751751751752
2003-07-01	54.7385293528351
2003-08-01	54.2284569138277
2003-09-01	54.2977359246644
2003-10-01	54.3578441194150
2003-11-01	53.9170506912442
2003-12-01	53.4337349397590
2004-01-01	52.8691813804173
2004-02-01	53.0226953203454
2004-03-01	53.8940184664793
2004-04-01	54.5746388443018
2004-05-01	54.6859321693759
2004-06-01	54.6221864951768
2004-07-01	54.8341708542714
2004-08-01	55.0281576830249
2004-09-01	54.8069187449718
2004-10-01	54.7738693467337
2004-11-01	53.8090452261307
2004-12-01	53.3521240185222
2005-01-01	53.3588093322607
2005-02-01	53.1897766150131
2005-03-01	53.6850583971003
2005-04-01	54.8296027424884
2005-05-01	55.7816277195810
2005-06-01	55.2509574682524
2005-07-01	55.3225806451613
2005-08-01	55.1522484371849
2005-09-01	55.4143980641258
2005-10-01	55.3650665590964
2005-11-01	54.3767648245260
2005-12-01	53.7452049263073
2006-01-01	53.7575757575758
2006-02-01	53.7932429698564
2006-03-01	54.0141557128412
2006-04-01	54.9027552674230
2006-05-01	55.8299595141700
2006-06-01	55.6521739130435
2006-07-01	55.3958291152055
2006-08-01	55.5600567146040
2006-09-01	55.7423536560664
2006-10-01	55.8638849503747
2006-11-01	55.4565701559020
2006-12-01	54.4403892944039
2007-01-01	53.7383177570094
2007-02-01	54.0557023785322
2007-03-01	54.7803091944670
2007-04-01	55.8224755700326
2007-05-01	56.3288563288563
2007-06-01	56.0211554109032
2007-07-01	55.4967426710098
2007-08-01	55.6302178782325
2007-09-01	55.6415478615071
2007-10-01	55.6732532083928
2007-11-01	55.9111292295149
2007-12-01	55.3312945973496
2008-01-01	54.5417432129006
2008-02-01	54.2816268138157
2008-03-01	55.0807605806584
2008-04-01	56.2487216199632
2008-05-01	56.3599182004090
2008-06-01	56.4648117839607
2008-07-01	55.8805481693598
2008-08-01	55.7944307944308
2008-09-01	55.8353808353808
2008-10-01	55.4895534616960
2008-11-01	55.8721049395368
2008-12-01	55.4120541205412
2009-01-01	55.2247998357627
2009-02-01	55.3204601479047
2009-03-01	55.4162384378212
2009-04-01	56.3849475632326
2009-05-01	56.5700185070944
2009-06-01	56.4260744396463
2009-07-01	56.1998766193708
2009-08-01	56.6872427983539
2009-09-01	56.9047129038897
2009-10-01	56.1251801523574
2009-11-01	56.1457689932057
2009-12-01	55.6242274412855
2010-01-01	55.4569837012585
2010-02-01	55.4729450640231
2010-03-01	55.6841670111616
2010-04-01	56.5019640272896
2010-05-01	56.8740955137482
2010-06-01	56.4049586776860
2010-07-01	56.3598759048604
2010-08-01	56.6197765825403
2010-09-01	57.1812913907285
2010-10-01	56.9151138716356
2010-11-01	56.4415907207954
2010-12-01	55.9055118110236
2011-01-01	55.7445043550394
2011-02-01	55.9501557632399
2011-03-01	55.7245274820769
2011-04-01	56.5094544664204
2011-05-01	56.7267985220604
2011-06-01	56.6644922809306
2011-07-01	56.2078712763644
2011-08-01	56.1954624781850
2011-09-01	56.6722268557131
2011-10-01	56.6604127579737
2011-11-01	56.5888240200167
2011-12-01	55.9749739311783
2012-01-01	55.3090004147657
2012-02-01	55.8322955583230
2012-03-01	55.8994599085999
2012-04-01	56.8162926018288
2012-05-01	57.1339434276206
2012-06-01	56.8517363277189
2012-07-01	56.6229985443959
2012-08-01	56.7415730337079
2012-09-01	56.9198751300728
2012-10-01	57.0239334027055
2012-11-01	56.9166666666667
2012-12-01	56.2200458428839
2013-01-01	56.4509394572025
2013-02-01	56.9458951326509
2013-03-01	57.0771482333264
2013-04-01	57.9673776662484
2013-05-01	58.0962343096234
2013-06-01	57.6150627615063
2013-07-01	57.3938506588580
2013-08-01	57.7317430424775
2013-09-01	58.1589958158996
2013-10-01	58.5233214808618
2013-11-01	58.6105879891191
2013-12-01	58.0037664783428
2014-01-01	57.3134953897737
2014-02-01	57.4575204531152
2014-03-01	57.6196473551637
2014-04-01	58.1986143187067
2014-05-01	58.7111670864820
2014-06-01	58.8667366211962
2014-07-01	58.5816198069660
2014-08-01	58.3280823356438
2014-09-01	58.8951900861164
2014-10-01	59.0374106767549
2014-11-01	58.9533417402270
2014-12-01	58.7258200168208
2015-01-01	58.1385554853653
2015-02-01	58.2419898819562
2015-03-01	58.2209106239460
2015-04-01	58.6672290172923
2015-05-01	59.1983122362869
2015-06-01	59.6332209106240
2015-07-01	59.1810890671169
2015-08-01	59.1168392140292
2015-09-01	59.8732840549102
2015-10-01	59.5987328405491
2015-11-01	59.1590957109656
2015-12-01	59.1918764544108
2016-01-01	59.6316680779001
2016-02-01	59.1728525980912
2016-03-01	59.1304347826087
2016-04-01	59.7239915074310
2016-05-01	59.9745331069610
2016-06-01	60.7597623089983
2016-07-01	60.7393244104525
2016-08-01	60.5996172655752
2016-09-01	60.8427324962758
2016-10-01	60.7234042553192
2016-11-01	60.4428358526719
2016-12-01	60.5756929637527
2017-01-01	60.4601619088198
2017-02-01	59.9914693964598
2017-03-01	60.1152368758003
2017-04-01	61.0980559709464
2017-05-01	61.6567036720752
2017-06-01	62.1714041461851
2017-07-01	61.8539085860743
2017-08-01	61.8854211201368
2017-09-01	62.1846943138093
2017-10-01	62.0615911035073
2017-11-01	62.0077054794521
2017-12-01	61.8251928020566
2018-01-01	61.7893155975113
2018-02-01	62.1215374704746
2018-03-01	62.8841607565012
2018-04-01	63.6363636363636
2018-05-01	63.3627176951193
2018-06-01	63.3082706766917
2018-07-01	63.5483870967742
2018-08-01	63.7871607065920
2018-09-01	63.9888003446048