Month	Percent
1968-01-01	52.9137529137529
1968-02-01	52.4452724732184
1968-03-01	54.5792654579265
1968-04-01	56.9109461966605
1968-05-01	58.6462679647659
1968-06-01	58.8425925925926
1968-07-01	57.8558225508318
1968-08-01	56.8989386248270
1968-09-01	56.9585253456221
1968-10-01	57.4448529411765
1968-11-01	56.8150527765030
1968-12-01	53.7826685006878
1969-01-01	51.7178195144297
1969-02-01	52.6724531749657
1969-03-01	54.5413053400274
1969-04-01	56.4324817518248
1969-05-01	57.5785161583978
1969-06-01	57.8636363636364
1969-07-01	56.7469332121763
1969-08-01	56.0036248300861
1969-09-01	57.0199275362319
1969-10-01	57.0330167345093
1969-11-01	56.0018050541516
1969-12-01	53.7697516930023
1970-01-01	51.9603424966201
1970-02-01	52.0504731861199
1970-03-01	54.0504050405040
1970-04-01	56.4240790655885
1970-05-01	57.7907498877414
1970-06-01	57.4697173620458
1970-07-01	56.8864961866308
1970-08-01	55.8045719408337
1970-09-01	56.3367666815943
1970-10-01	56.5295169946333
1970-11-01	54.6064400715564
1970-12-01	52.5514771709937
1971-01-01	51.3658755038065
1971-02-01	51.3440860215054
1971-03-01	54.0807174887892
1971-04-01	54.3010752688172
1971-05-01	55.0782997762864
1971-06-01	55.3172475424486
1971-07-01	55.1585529254131
1971-08-01	54.7237076648841
1971-09-01	54.0240106714095
1971-10-01	54.6181172291297
1971-11-01	54.5011086474501
1971-12-01	52.1719858156028
1972-01-01	51.4575971731449
1972-02-01	50.6167400881057
1972-03-01	51.9788918205805
1972-04-01	52.9850746268657
1972-05-01	54.6608315098468
1972-06-01	54.8471615720524
1972-07-01	54.5415224913495
1972-08-01	54.1774332472007
1972-09-01	54.4711951848667
1972-10-01	55.6220607097050
1972-11-01	54.4600938967136
1972-12-01	53.3475479744136
1973-01-01	52.4436889077773
1973-02-01	52.9686174724343
1973-03-01	53.5986452159187
1973-04-01	54.2387178405736
1973-05-01	54.9810844892812
1973-06-01	55.9329140461216
1973-07-01	55.3646269907796
1973-08-01	54.4467640918580
1973-09-01	55.0229262192580
1973-10-01	57.0536828963795
1973-11-01	55.5417185554172
1973-12-01	51.9071310116086
1974-01-01	51.3837257331681
1974-02-01	52.0610057708162
1974-03-01	52.7594728171334
1974-04-01	53.8998357963875
1974-05-01	54.6683046683047
1974-06-01	54.7162106982442
1974-07-01	53.7739698082415
1974-08-01	53.3333333333333
1974-09-01	53.4118602761982
1974-10-01	53.9334955393350
1974-11-01	53.1957928802589
1974-12-01	50.8892481810833
1975-01-01	49.3139628732849
1975-02-01	50.2617801047120
1975-03-01	51.3709677419355
1975-04-01	51.8682201687425
1975-05-01	53.8924558587480
1975-06-01	54.9639711769416
1975-07-01	54.2183126749300
1975-08-01	53.3333333333333
1975-09-01	53.5244922341697
1975-10-01	53.5799522673031
1975-11-01	52.8031809145129
1975-12-01	50.9329098848750
1976-01-01	50.0594059405941
1976-02-01	50.8702531645570
1976-03-01	51.8782127323053
1976-04-01	52.6461295418641
1976-05-01	53.7219377707759
1976-06-01	54.5812033031852
1976-07-01	54.3735224586288
1976-08-01	53.8854003139717
1976-09-01	54.4278996865204
1976-10-01	54.4814090019570
1976-11-01	53.3881707794751
1976-12-01	52.2096206491983
1977-01-01	51.5612802498048
1977-02-01	51.6179337231969
1977-03-01	52.6336324619586
1977-04-01	54.6801872074883
1977-05-01	55.7370672889926
1977-06-01	56.2160062160062
1977-07-01	55.8229813664596
1977-08-01	54.8837209302326
1977-09-01	55.5942702284166
1977-10-01	55.9210526315789
1977-11-01	54.9535603715170
1977-12-01	53.7538699690402
1978-01-01	52.5908739365816
1978-02-01	53.3075435203095
1978-03-01	54.1618273325590
1978-04-01	55.4226167502895
1978-05-01	57.1868978805395
1978-06-01	57.7426810477658
1978-07-01	56.5317919075144
1978-08-01	55.7906887264332
1978-09-01	56.4782775855440
1978-10-01	57.3405073020753
1978-11-01	56.2427967729543
1978-12-01	55.1326412918108
1979-01-01	54.7235023041475
1979-02-01	54.3953934740883
1979-03-01	54.7235023041475
1979-04-01	56.4900153609831
1979-05-01	57.7453987730061
1979-06-01	57.5316213108471
1979-07-01	57.1264367816092
1979-08-01	56.6283524904214
1979-09-01	56.9295558958652
1979-10-01	58.1163859111792
1979-11-01	57.0936902485660
1979-12-01	55.6787762906310
1980-01-01	54.8165137614679
1980-02-01	55.1051625239006
1980-03-01	55.4917719096824
1980-04-01	57.0718654434251
1980-05-01	57.9007633587786
1980-06-01	58.1457458985120
1980-07-01	57.4866310160428
1980-08-01	57.1374045801527
1980-09-01	57.6820434616851
1980-10-01	57.8125000000000
1980-11-01	57.3714285714286
1980-12-01	56.3525371995422
1981-01-01	55.0304878048780
1981-02-01	54.8190476190476
1981-03-01	55.8307926829268
1981-04-01	57.6659038901602
1981-05-01	58.5142857142857
1981-06-01	57.9588728103580
1981-07-01	57.8065498857578
1981-08-01	57.3982502852796
1981-09-01	57.8867350817180
1981-10-01	58.7229190421893
1981-11-01	58.7609274040289
1981-12-01	58.0030487804878
1982-01-01	56.8164508758568
1982-02-01	56.6375047546596
1982-03-01	57.4695121951220
1982-04-01	58.3619047619048
1982-05-01	59.1704718417047
1982-06-01	58.9889775750665
1982-07-01	58.2129277566540
1982-08-01	57.8208048595292
1982-09-01	59.0425531914894
1982-10-01	59.7570235383447
1982-11-01	58.7138508371385
1982-12-01	58.8952380952381
1983-01-01	58.3048270619536
1983-02-01	57.9247434435576
1983-03-01	58.8728103579589
1983-04-01	60.0685192234488
1983-05-01	60.7387661843107
1983-06-01	60.3802281368821
1983-07-01	60.1827179291968
1983-08-01	60.3651578546976
1983-09-01	60.8051652107862
1983-10-01	61.0878661087866
1983-11-01	60.0076103500761
1983-12-01	58.7428571428571
1984-01-01	58.0350342726580
1984-02-01	58.1554878048780
1984-03-01	59.1914569031274
1984-04-01	60.3277439024390
1984-05-01	61.0053313023610
1984-06-01	61.4095238095238
1984-07-01	60.9523809523810
1984-08-01	60.4412324077596
1984-09-01	61.4595210946408
1984-10-01	62.0387980220616
1984-11-01	61.1026615969582
1984-12-01	59.7560975609756
1985-01-01	59.1393754760091
1985-02-01	59.2310620479634
1985-03-01	59.5963442498096
1985-04-01	61.0983981693364
1985-05-01	61.6615853658537
1985-06-01	61.4710365853658
1985-07-01	61.1809523809524
1985-08-01	60.9839816933638
1985-09-01	61.9482496194825
1985-10-01	62.0624048706240
1985-11-01	61.2167300380228
1985-12-01	59.3678598629094
1986-01-01	59.5582635186596
1986-02-01	59.9315068493151
1986-03-01	60.4801829268293
1986-04-01	61.8757148303469
1986-05-01	62.1032504780115
1986-06-01	62.2706422018349
1986-07-01	61.8993135011442
1986-08-01	61.4710365853658
1986-09-01	61.6146230007616
1986-10-01	61.7904761904762
1986-11-01	61.3506295307135
1986-12-01	60.1374570446735
1987-01-01	59.6564885496183
1987-02-01	59.9847269950363
1987-03-01	60.9160305343512
1987-04-01	62.6193203512791
1987-05-01	62.8298279158700
1987-06-01	62.7586206896552
1987-07-01	62.2800306044376
1987-08-01	61.8320610687023
1987-09-01	62.1374045801527
1987-10-01	62.1084797555386
1987-11-01	62.1704241497898
1987-12-01	61.6532721010333
1988-01-01	60.9942638623327
1988-02-01	61.0409491006506
1988-03-01	61.6621983914209
1988-04-01	63.0692690394183
1988-05-01	63.8485080336649
1988-06-01	63.5249042145594
1988-07-01	63.4762633996937
1988-08-01	62.6196859440827
1988-09-01	62.7248373517030
1988-10-01	62.6671761559037
1988-11-01	62.5954198473282
1988-12-01	62.4233128834356
1989-01-01	61.6564417177914
1989-02-01	62.1455938697318
1989-03-01	62.7541235136172
1989-04-01	63.9016897081413
1989-05-01	64.8254698887610
1989-06-01	64.7622699386503
1989-07-01	64.2173746651359
1989-08-01	63.5181644359465
1989-09-01	63.8135269392434
1989-10-01	64.1819571865443
1989-11-01	64.1928079571538
1989-12-01	63.5388739946381
1990-01-01	63.6537725009575
1990-02-01	64.0015302218822
1990-03-01	64.0858566500575
1990-04-01	64.6991184361824
1990-05-01	65.4051987767584
1990-06-01	65.3654802908534
1990-07-01	64.4852659778033
1990-08-01	64.0565317035905
1990-09-01	65.1029748283753
1990-10-01	64.7350362180709
1990-11-01	64.7822765469824
1990-12-01	64.3814630409805
1991-01-01	64.3568147013783
1991-02-01	64.5322085889571
1991-03-01	64.5458029896512
1991-04-01	65.0939777522056
1991-05-01	65.8086822896658
1991-06-01	66.0652591170825
1991-07-01	65.1957022256332
1991-08-01	65.1573292402149
1991-09-01	65.7329240214889
1991-10-01	65.8602150537634
1991-11-01	66.3206459054210
1991-12-01	65.6779661016949
1992-01-01	64.2307692307692
1992-02-01	64.8368522072936
1992-03-01	64.9769585253456
1992-04-01	65.6286043829296
1992-05-01	66.1420345489443
1992-06-01	66.2193251533742
1992-07-01	65.1973936374090
1992-08-01	64.9310872894334
1992-09-01	65.7230298393267
1992-10-01	66.8197474167623
1992-11-01	66.7304747320061
1992-12-01	65.7581573896353
1993-01-01	64.5482388973966
1993-02-01	63.7059724349158
1993-03-01	64.2008432349559
1993-04-01	65.5040245304714
1993-05-01	66.0543436662840
1993-06-01	65.8377964804897
1993-07-01	65.0496562261268
1993-08-01	64.9618320610687
1993-09-01	65.3831490659550
1993-10-01	66.0312619138391
1993-11-01	66.1971830985916
1993-12-01	65.6500190621426
1994-01-01	64.8267986296155
1994-02-01	64.1933028919330
1994-03-01	64.4080700418729
1994-04-01	66.1966463414634
1994-05-01	66.8821292775665
1994-06-01	66.4133738601824
1994-07-01	65.3627041397645
1994-08-01	64.5675265553870
1994-09-01	65.3641881638847
1994-10-01	66.0727824109174
1994-11-01	65.5551345206518
1994-12-01	64.1366223908918
1995-01-01	64.4183402804092
1995-02-01	64.6433990895296
1995-03-01	64.5540796963947
1995-04-01	65.5775075987842
1995-05-01	66.1614247821144
1995-06-01	66.3890991672975
1995-07-01	65.5041698256255
1995-08-01	64.8239303294207
1995-09-01	65.8591975775927
1995-10-01	65.6959152798790
1995-11-01	65.1532349602724
1995-12-01	64.7214854111406
1996-01-01	64.7993943981832
1996-02-01	64.6346081029913
1996-03-01	65.6557998483700
1996-04-01	66.2998102466793
1996-05-01	66.0984848484848
1996-06-01	66.5278303672851
1996-07-01	66.2121212121212
1996-08-01	65.3045781309118
1996-09-01	66.4523449319213
1996-10-01	66.6666666666667
1996-11-01	65.8223062381852
1996-12-01	65.3641881638847
1997-01-01	65.8859085757461
1997-02-01	66.0991297767688
1997-03-01	66.1748013620885
1997-04-01	66.8811506434519
1997-05-01	67.2335600907030
1997-06-01	67.6603773584906
1997-07-01	66.8556311413454
1997-08-01	66.3392519833774
1997-09-01	67.5594115428140
1997-10-01	67.6847662141780
1997-11-01	66.3526752072344
1997-12-01	66.2509448223734
1998-01-01	66.5284583490388
1998-02-01	66.0135644310475
1998-03-01	66.3900414937759
1998-04-01	66.7420814479638
1998-05-01	67.1933784800602
1998-06-01	67.3814898419864
1998-07-01	66.4785553047404
1998-08-01	66.8045112781955
1998-09-01	67.2174239579422
1998-10-01	67.2174239579422
1998-11-01	66.7668043559895
1998-12-01	65.6367746797287
1999-01-01	65.3513716647877
1999-02-01	65.5392709507704
1999-03-01	66.3656884875846
1999-04-01	67.0184696569921
1999-05-01	66.8799397817087
1999-06-01	66.8173258003766
1999-07-01	66.4159458443024
1999-08-01	66.8794592564776
1999-09-01	67.2925272249343
1999-10-01	66.9418386491557
1999-11-01	67.0791151106112
1999-12-01	65.9031167855802
2000-01-01	65.5185323848746
2000-02-01	65.4708520179372
2000-03-01	65.6179775280899
2000-04-01	67.1289355322339
2000-05-01	67.4523007856341
2000-06-01	67.4018691588785
2000-07-01	66.9406051550243
2000-08-01	66.6542195668409
2000-09-01	66.4552238805970
2000-10-01	66.6666666666667
2000-11-01	67.2497208783029
2000-12-01	66.3690476190476
2001-01-01	67.1125975473802
2001-02-01	67.2619047619048
2001-03-01	66.3697104677060
2001-04-01	66.9636228656273
2001-05-01	67.7407407407408
2001-06-01	67.9378008145131
2001-07-01	67.2713809700111
2001-08-01	66.8393782383420
2001-09-01	67.1973343206220
2001-10-01	67.5545689974103
2001-11-01	68.3296378418330
2001-12-01	67.3212300852167
2002-01-01	66.4312267657992
2002-02-01	66.8652271034996
2002-03-01	67.1641791044776
2002-04-01	67.3400673400673
2002-05-01	67.3012318029115
2002-06-01	67.3758865248227
2002-07-01	67.2529940119760
2002-08-01	67.1289355322339
2002-09-01	67.7528089887640
2002-10-01	68.3027351067816
2002-11-01	68.6303939962476
2002-12-01	67.5451807228916
2003-01-01	66.8801808590806
2003-02-01	66.4777021919879
2003-03-01	67.4357034795764
2003-04-01	67.7150435771125
2003-05-01	68.5844057532173
2003-06-01	68.6979560938683
2003-07-01	68.0181887078439
2003-08-01	67.7407126611069
2003-09-01	67.7921092564492
2003-10-01	68.5529813900494
2003-11-01	68.2648401826484
2003-12-01	67.6852559205500
2004-01-01	67.5324675324675
2004-02-01	67.4827850038256
2004-03-01	67.8407350689127
2004-04-01	67.9816162389889
2004-05-01	68.4432515337423
2004-06-01	68.6153846153846
2004-07-01	68.4757505773672
2004-08-01	68.6969930609098
2004-09-01	68.6221536086453
2004-10-01	68.9163131507906
2004-11-01	67.9675425038640
2004-12-01	67.5591773379899
2005-01-01	67.8682170542636
2005-02-01	67.8557580457542
2005-03-01	68.1429681429681
2005-04-01	68.8352162056876
2005-05-01	69.8017877963467
2005-06-01	69.3535825545171
2005-07-01	69.3718298868514
2005-08-01	68.8352162056876
2005-09-01	69.4855806703040
2005-10-01	69.9063231850117
2005-11-01	68.6328125000000
2005-12-01	68.0642633228840
2006-01-01	68.4829478635829
2006-02-01	68.5366810513927
2006-03-01	68.4974499803845
2006-04-01	69.4214876033058
2006-05-01	70.3456402199529
2006-06-01	69.5720455437770
2006-07-01	69.2368214004721
2006-08-01	70.0511609602519
2006-09-01	70.1140385371608
2006-10-01	70.0511609602519
2006-11-01	69.6302124311566
2006-12-01	68.9696012633241
2007-01-01	68.7277051129608
2007-02-01	68.8641779189833
2007-03-01	69.5272149384188
2007-04-01	70.5250596658711
2007-05-01	71.4115308151094
2007-06-01	70.6163021868787
2007-07-01	69.9721226602947
2007-08-01	70.0517722023098
2007-09-01	70.1593625498008
2007-10-01	70.6374501992032
2007-11-01	71.0127591706539
2007-12-01	70.5015923566879
2008-01-01	69.7405189620758
2008-02-01	69.5721711315474
2008-03-01	69.9600000000000
2008-04-01	70.3926282051282
2008-05-01	70.7317073170732
2008-06-01	70.8400000000000
2008-07-01	70.6800000000000
2008-08-01	70.3362690152122
2008-09-01	70.6965572457966
2008-10-01	70.7815631262525
2008-11-01	71.4457348818582
2008-12-01	71.1307137129110
2009-01-01	70.9521896343913
2009-02-01	70.8199356913183
2009-03-01	70.4700683005223
2009-04-01	70.9003215434084
2009-05-01	71.1700844390832
2009-06-01	71.1414790996785
2009-07-01	71.0896662645758
2009-08-01	72.0546843586651
2009-09-01	72.5150905432596
2009-10-01	72.1417069243156
2009-11-01	71.8712273641851
2009-12-01	71.2847362062022
2010-01-01	71.0367083501412
2010-02-01	71.1631663974152
2010-03-01	71.0994341147938
2010-04-01	71.7637540453074
2010-05-01	72.1099434114794
2010-06-01	71.4458804523425
2010-07-01	71.6942984229681
2010-08-01	71.9709208400646
2010-09-01	72.8559870550162
2010-10-01	72.6354082457559
2010-11-01	72.0177921552770
2010-12-01	71.0707070707071
2011-01-01	71.1857547551598
2011-02-01	71.6309186564144
2011-03-01	72.0377203772038
2011-04-01	72.4024640657084
2011-05-01	72.6004922067268
2011-06-01	72.9098360655738
2011-07-01	72.4293322408849
2011-08-01	72.2747840394899
2011-09-01	72.5793327908869
2011-10-01	72.8159284843560
2011-11-01	72.4095895977245
2011-12-01	71.4518096787312
2012-01-01	71.1795703283340
2012-02-01	71.4285714285714
2012-03-01	71.5733982157340
2012-04-01	72.4614134849716
2012-05-01	73.0487804878049
2012-06-01	72.7863525588952
2012-07-01	72.2064201544088
2012-08-01	71.7771451809679
2012-09-01	72.5203252032520
2012-10-01	73.0081300813008
2012-11-01	72.7124847498984
2012-12-01	72.0797720797721
2013-01-01	72.5418196654427
2013-02-01	73.0204081632653
2013-03-01	73.0612244897959
2013-04-01	73.9272578667756
2013-05-01	74.1830065359477
2013-06-01	73.6928104575164
2013-07-01	73.3442354865086
2013-08-01	73.3851185609158
2013-09-01	74.1922290388548
2013-10-01	74.7342600163532
2013-11-01	74.5194274028630
2013-12-01	74.3348342202210
2014-01-01	73.8417384173842
2014-02-01	73.9219712525667
2014-03-01	73.7274220032841
2014-04-01	74.0436034553682
2014-05-01	74.7944078947368
2014-06-01	74.7325102880658
2014-07-01	74.6090534979424
2014-08-01	74.4444444444444
2014-09-01	75.3396459448333
2014-10-01	75.8862324814510
2014-11-01	75.4740313272877
2014-12-01	75.1340206185567
2015-01-01	74.5041322314050
2015-02-01	74.9173553719008
2015-03-01	74.8864105741429
2015-04-01	74.3176178660050
2015-05-01	75.2795031055901
2015-06-01	75.9404712691195
2015-07-01	75.4349627174814
2015-08-01	75.3418980522172
2015-09-01	76.0977630488815
2015-10-01	76.2220381110191
2015-11-01	75.7249378624689
2015-12-01	75.3526970954357
2016-01-01	76.0066417600664
2016-02-01	75.3846153846154
2016-03-01	75.3641281731169
2016-04-01	75.8232596915381
2016-05-01	75.8750000000000
2016-06-01	76.8333333333333
2016-07-01	76.8846314035818
2016-08-01	76.4386989157631
2016-09-01	76.6179540709812
2016-10-01	76.7209011264080
2016-11-01	77.1798080934502
2016-12-01	77.0388958594730
2017-01-01	76.7335004177109
2017-02-01	76.2641036356038
2017-03-01	76.4435146443515
2017-04-01	77.0326906957251
2017-05-01	77.5262054507338
2017-06-01	77.9128248113998
2017-07-01	77.5125628140704
2017-08-01	77.4328859060403
2017-09-01	77.9689467058330
2017-10-01	78.1184376312474
2017-11-01	78.7064258714826
2017-12-01	78.3761043331931
2018-01-01	77.9603876949010
2018-02-01	78.1618887015177
2018-03-01	78.7341772151899
2018-04-01	79.1807432432432
2018-05-01	78.7162162162162
2018-06-01	78.7341772151899
2018-07-01	79.0697674418605
2018-08-01	79.0766624311732
2018-09-01	79.6868387642827