Month	Percent
1968-01-01	65.3025936599424
1968-02-01	64.8294718664556
1968-03-01	67.1459381739756
1968-04-01	69.2219351134080
1968-05-01	70.3055515707933
1968-06-01	70.3008595988539
1968-07-01	69.8053806525472
1968-08-01	69.5067905646890
1968-09-01	69.1472646764748
1968-10-01	69.2911139637712
1968-11-01	68.5710215130360
1968-12-01	66.7378917378917
1969-01-01	65.1252134319863
1969-02-01	65.0554449815183
1969-03-01	67.1872781485163
1969-04-01	68.8803746275010
1969-05-01	69.8043663169833
1969-06-01	69.7351649907945
1969-07-01	69.3123938879457
1969-08-01	68.9133813762894
1969-09-01	69.1178546224418
1969-10-01	68.8804286520022
1969-11-01	67.9864731576722
1969-12-01	66.6572836030964
1970-01-01	65.2834435222957
1970-02-01	65.3084164676128
1970-03-01	67.4803591470258
1970-04-01	68.9708356702187
1970-05-01	69.6261027867246
1970-06-01	69.6795858402127
1970-07-01	69.4825174825175
1970-08-01	68.6871508379888
1970-09-01	68.8188537163576
1970-10-01	68.5427695736974
1970-11-01	67.6503340757238
1970-12-01	66.7827783196322
1971-01-01	65.6963788300836
1971-02-01	65.5441135541330
1971-03-01	67.8710394663702
1971-04-01	68.7951138256524
1971-05-01	69.2179700499168
1971-06-01	69.2009416978258
1971-07-01	68.9583621524416
1971-08-01	68.3112216694306
1971-09-01	67.9740367352576
1971-10-01	68.1385400855526
1971-11-01	67.6827586206896
1971-12-01	66.3907284768212
1972-01-01	65.3750689464975
1972-02-01	65.1945901186862
1972-03-01	66.4734299516908
1972-04-01	67.6369154366120
1972-05-01	68.4152554041030
1972-06-01	68.2624845233182
1972-07-01	68.3815502183406
1972-08-01	67.9612973562279
1972-09-01	67.8109249421060
1972-10-01	68.2608695652174
1972-11-01	67.3638462583186
1972-12-01	66.7526823305718
1973-01-01	66.1014650027130
1973-02-01	66.2057747051647
1973-03-01	67.0594609237437
1973-04-01	67.9030729660214
1973-05-01	68.3157610164909
1973-06-01	68.8993923024983
1973-07-01	68.8723835246455
1973-08-01	68.0107889413351
1973-09-01	68.1891673403395
1973-10-01	69.1810344827586
1973-11-01	68.1922196796339
1973-12-01	66.2225810792625
1974-01-01	65.0544135429262
1974-02-01	65.3206332170647
1974-03-01	66.5950879076634
1974-04-01	67.7350140807295
1974-05-01	68.2329317269076
1974-06-01	68.0663278951591
1974-07-01	67.4829385788840
1974-08-01	67.1029784960598
1974-09-01	67.2545090180361
1974-10-01	67.4502470949646
1974-11-01	66.7245293096542
1974-12-01	65.2609101828373
1975-01-01	63.8689048760991
1975-02-01	63.9957407160921
1975-03-01	65.2017578905314
1975-04-01	66.0992153211863
1975-05-01	67.2862453531598
1975-06-01	67.3074373591409
1975-07-01	67.2457233788622
1975-08-01	66.7593696199179
1975-09-01	66.6798941798942
1975-10-01	66.6842870358134
1975-11-01	66.1424606845513
1975-12-01	65.3856312731115
1976-01-01	64.0954641350211
1976-02-01	64.2480211081794
1976-03-01	65.4703786779258
1976-04-01	66.2714097496706
1976-05-01	66.7324388318864
1976-06-01	66.8593955321945
1976-07-01	67.1535728385314
1976-08-01	66.8242710795902
1976-09-01	66.8283728858004
1976-10-01	66.7016393442623
1976-11-01	66.2163934426230
1976-12-01	65.6094364351245
1977-01-01	64.3464608138166
1977-02-01	64.2931937172775
1977-03-01	65.4278984559016
1977-04-01	66.9544740973312
1977-05-01	67.3759791122716
1977-06-01	67.4977157029108
1977-07-01	67.5545110327719
1977-08-01	66.9316996871742
1977-09-01	67.0398333767248
1977-10-01	66.8835393623943
1977-11-01	66.6753381893860
1977-12-01	66.0465721347730
1978-01-01	64.5849596669269
1978-02-01	64.7380054609284
1978-03-01	65.7391756598622
1978-04-01	67.0346798285492
1978-05-01	68.1011017498380
1978-06-01	68.2560248769111
1978-07-01	67.6386728875065
1978-08-01	67.0419254658385
1978-09-01	67.0589756854630
1978-10-01	67.2525200310158
1978-11-01	66.8603900297042
1978-12-01	66.1971830985916
1979-01-01	65.2813629323696
1979-02-01	65.1393908105318
1979-03-01	65.7857419105324
1979-04-01	67.2724929105440
1979-05-01	68.2462013906773
1979-06-01	68.3648526952270
1979-07-01	68.1467181467181
1979-08-01	67.6867686768677
1979-09-01	67.4290119491199
1979-10-01	67.7879060213121
1979-11-01	67.1836943981541
1979-12-01	66.3334614891708
1980-01-01	65.2920081967213
1980-02-01	65.2017937219731
1980-03-01	66.0350787351172
1980-04-01	67.3951942740286
1980-05-01	67.9857033443962
1980-06-01	68.4431977559607
1980-07-01	68.2316917581016
1980-08-01	67.7793349471270
1980-09-01	67.7690155176800
1980-10-01	67.5685975609756
1980-11-01	67.0644997460640
1980-12-01	66.4337441239995
1981-01-01	65.4358583936049
1981-02-01	65.2113212336591
1981-03-01	66.2141588429333
1981-04-01	67.6731793960924
1981-05-01	68.0187602991507
1981-06-01	68.1916106957293
1981-07-01	68.0060844213462
1981-08-01	67.7047727560451
1981-09-01	67.4595141700405
1981-10-01	67.4800859779998
1981-11-01	67.4127465857360
1981-12-01	66.8016706745982
1982-01-01	65.6644770085902
1982-02-01	65.7074340527578
1982-03-01	66.7255520504732
1982-04-01	67.8517397881997
1982-05-01	68.3700440528634
1982-06-01	68.0949987434029
1982-07-01	67.8064110622250
1982-08-01	67.5068974166040
1982-09-01	67.4978072923192
1982-10-01	67.6765147721582
1982-11-01	67.4511767651477
1982-12-01	67.2677185073879
1983-01-01	66.2709322669333
1983-02-01	66.0881508303159
1983-03-01	66.9582604348913
1983-04-01	68.1063537635751
1983-05-01	68.8201546520329
1983-06-01	68.8247011952191
1983-07-01	68.5547118137682
1983-08-01	68.1699590011182
1983-09-01	68.1558699429139
1983-10-01	68.1637717121588
1983-11-01	67.7247365158090
1983-12-01	66.8856930324820
1984-01-01	65.7500309674223
1984-02-01	65.7376439985136
1984-03-01	66.5717469357435
1984-04-01	67.8778890124830
1984-05-01	68.3131637441344
1984-06-01	68.5580362649562
1984-07-01	68.2614056720099
1984-08-01	67.9714426390940
1984-09-01	68.2800982800983
1984-10-01	68.2471440854932
1984-11-01	67.7019396022588
1984-12-01	66.9614345369688
1985-01-01	66.2087575125721
1985-02-01	65.9269249632173
1985-03-01	66.5440274711798
1985-04-01	68.0024509803922
1985-05-01	68.3264007829704
1985-06-01	68.1834862385321
1985-07-01	68.1134613033378
1985-08-01	67.7458766035431
1985-09-01	67.8893492566415
1985-10-01	67.7788602045787
1985-11-01	67.2627737226277
1985-12-01	66.2852969814995
1986-01-01	65.9817629179331
1986-02-01	65.8409228901032
1986-03-01	66.5008493084203
1986-04-01	67.6977195536148
1986-05-01	67.9946556540751
1986-06-01	68.1630672166950
1986-07-01	68.1229577635241
1986-08-01	67.7816688805700
1986-09-01	67.6027479811980
1986-10-01	67.6102144061672
1986-11-01	67.1485363209252
1986-12-01	66.3372303242136
1987-01-01	65.4309099662976
1987-02-01	65.3586904188734
1987-03-01	66.2460946887767
1987-04-01	67.5033025099075
1987-05-01	67.8717271198655
1987-06-01	67.9827193087724
1987-07-01	67.8806756918654
1987-08-01	67.7789738069609
1987-09-01	67.6509264793784
1987-10-01	67.4862735736453
1987-11-01	67.3858624389081
1987-12-01	66.9131679389313
1988-01-01	65.9761904761905
1988-02-01	65.6942129078352
1988-03-01	66.5555026202954
1988-04-01	67.9586256093211
1988-05-01	68.4666508426300
1988-06-01	68.5110425077179
1988-07-01	68.3517265930936
1988-08-01	67.8952358378763
1988-09-01	67.7388836329234
1988-10-01	67.6234349161351
1988-11-01	67.4884982894892
1988-12-01	67.2890569605294
1989-01-01	66.3044762017244
1989-02-01	66.4541268154446
1989-03-01	67.2094395280236
1989-04-01	68.4756960830580
1989-05-01	69.0178991992464
1989-06-01	69.2742030349371
1989-07-01	69.0680455987778
1989-08-01	68.4389671361502
1989-09-01	68.2595455610213
1989-10-01	68.3686614357653
1989-11-01	68.3729647417126
1989-12-01	68.0492091388401
1990-01-01	67.0570324393957
1990-02-01	67.3110720562390
1990-03-01	68.1738315567530
1990-04-01	69.0713198266776
1990-05-01	69.7454460532462
1990-06-01	69.6403549743111
1990-07-01	69.5327102803738
1990-08-01	68.9067786722669
1990-09-01	69.1421254801536
1990-10-01	69.2567174595789
1990-11-01	69.1197019096414
1990-12-01	68.7689438097459
1991-01-01	67.9394644935972
1991-02-01	67.9986020503262
1991-03-01	68.6794648051192
1991-04-01	69.6617459025921
1991-05-01	70.2172145429202
1991-06-01	70.4086371023914
1991-07-01	70.0058038305282
1991-08-01	69.7264719517849
1991-09-01	69.7660954145438
1991-10-01	69.7741748697163
1991-11-01	69.8412698412698
1991-12-01	69.6181965881397
1992-01-01	68.4253246753247
1992-02-01	68.7442075996293
1992-03-01	69.1345151199166
1992-04-01	70.0812064965197
1992-05-01	70.4561241028016
1992-06-01	70.4127644814430
1992-07-01	70.0971322849214
1992-08-01	69.8706099815157
1992-09-01	69.7749567224466
1992-10-01	70.1938610662359
1992-11-01	70.1349636636290
1992-12-01	69.7550831792976
1993-01-01	68.4477784189267
1993-02-01	68.1744749596123
1993-03-01	68.7665859005423
1993-04-01	69.9561403508772
1993-05-01	70.3204241585984
1993-06-01	70.3422053231939
1993-07-01	70.1705855232826
1993-08-01	69.7904674188349
1993-09-01	69.6927856403176
1993-10-01	69.9010128913444
1993-11-01	69.7768062586286
1993-12-01	69.4521178637201
1994-01-01	68.3041877588587
1994-02-01	67.9834158700910
1994-03-01	68.5980877779058
1994-04-01	69.9100760894628
1994-05-01	70.3776191572646
1994-06-01	70.2531645569620
1994-07-01	69.9021301093840
1994-08-01	69.5201933034173
1994-09-01	69.4102770433383
1994-10-01	69.4562593401540
1994-11-01	69.3377787997241
1994-12-01	69.0059825126553
1995-01-01	68.1572594551098
1995-02-01	68.0290122035459
1995-03-01	68.6507022795303
1995-04-01	69.5852534562212
1995-05-01	69.8723110548717
1995-06-01	70.0505863416878
1995-07-01	69.9527812967868
1995-08-01	69.4255784505583
1995-09-01	69.6687370600414
1995-10-01	69.5067264573991
1995-11-01	69.1458788366479
1995-12-01	68.9341620626151
1996-01-01	68.2006442705936
1996-02-01	68.0728446288612
1996-03-01	68.9114391143911
1996-04-01	69.7427615641942
1996-05-01	69.9343393618247
1996-06-01	70.4663212435233
1996-07-01	70.4715784618932
1996-08-01	69.9631166436146
1996-09-01	70.0713956701981
1996-10-01	69.8906160046056
1996-11-01	69.6027633851468
1996-12-01	69.4152923538231
1997-01-01	69.0309230946086
1997-02-01	69.0385722510075
1997-03-01	69.4946471739381
1997-04-01	70.3144798986292
1997-05-01	70.6051541647492
1997-06-01	70.9636614535419
1997-07-01	70.8083832335329
1997-08-01	70.3213175169872
1997-09-01	70.3622771707878
1997-10-01	70.3588681849551
1997-11-01	69.7653014265992
1997-12-01	69.7510947222862
1998-01-01	69.3317972350230
1998-02-01	68.8407467158332
1998-03-01	69.1625388780094
1998-04-01	69.6795019598801
1998-05-01	70.1774602442959
1998-06-01	70.2568828475982
1998-07-01	70.0541537043438
1998-08-01	69.7765491822161
1998-09-01	69.6142774899252
1998-10-01	69.5957618334677
1998-11-01	69.2918825561313
1998-12-01	69.0586063682510
1999-01-01	68.3767581277381
1999-02-01	68.0360027694438
1999-03-01	68.4678443597737
1999-04-01	69.1507798960139
1999-05-01	69.5496535796767
1999-06-01	69.4155694155694
1999-07-01	69.2272149705441
1999-08-01	69.4136657433056
1999-09-01	69.4207246711286
1999-10-01	69.2325447201385
1999-11-01	69.1979226774380
1999-12-01	68.8452655889146
2000-01-01	68.1141009354429
2000-02-01	67.7795748613678
2000-03-01	68.0582861107899
2000-04-01	69.0429348455040
2000-05-01	69.5893580104106
2000-06-01	69.4656488549618
2000-07-01	69.3759407201575
2000-08-01	69.2868719611021
2000-09-01	69.2512440689735
2000-10-01	69.4746586438324
2000-11-01	69.4515158528118
2000-12-01	69.0082166415924
2001-01-01	68.5283893395133
2001-02-01	68.5757434944238
2001-03-01	68.5468895078923
2001-04-01	69.0440236961320
2001-05-01	69.4396101635921
2001-06-01	69.3164674480678
2001-07-01	69.2218350754936
2001-08-01	69.0672551980485
2001-09-01	68.5243236967375
2001-10-01	68.7550759948950
2001-11-01	68.9087324597008
2001-12-01	68.3306245646622
2002-01-01	67.7021524141943
2002-02-01	67.5565399860107
2002-03-01	67.9146256123163
2002-04-01	68.3214577736246
2002-05-01	68.3271115258983
2002-06-01	68.5867537313433
2002-07-01	68.7215411558669
2002-08-01	68.6602032472842
2002-09-01	68.4014002333722
2002-10-01	68.6661220679192
2002-11-01	68.7083576855640
2002-12-01	68.2706942980916
2003-01-01	67.5647182851119
2003-02-01	67.4527748445383
2003-03-01	67.8701207361388
2003-04-01	68.2314282361225
2003-05-01	68.5888420065635
2003-06-01	68.9966046130430
2003-07-01	68.9016527956863
2003-08-01	68.8005627857896
2003-09-01	68.6547925943286
2003-10-01	68.7800304699402
2003-11-01	68.8393903868699
2003-12-01	68.8674812030075
2004-01-01	67.9661813057774
2004-02-01	67.8037877896718
2004-03-01	68.1743421052632
2004-04-01	68.7485325193707
2004-05-01	69.0590861036062
2004-06-01	69.1311514009889
2004-07-01	69.1709844559586
2004-08-01	69.3512304250559
2004-09-01	69.2017894984695
2004-10-01	69.2534149788036
2004-11-01	68.9870435806832
2004-12-01	68.8996343908480
2005-01-01	68.4645344033990
2005-02-01	68.1157708210278
2005-03-01	68.5231169445430
2005-04-01	69.2945075757576
2005-05-01	69.8924731182796
2005-06-01	69.9325523606674
2005-07-01	69.8875074008289
2005-08-01	69.8247276172430
2005-09-01	70.0437921647532
2005-10-01	69.8401420959147
2005-11-01	69.3301719027860
2005-12-01	69.2855447424638
2006-01-01	68.9319234881787
2006-02-01	69.0816083749703
2006-03-01	69.3203422053232
2006-04-01	70.0655151876117
2006-05-01	70.7163255592575
2006-06-01	70.5140409328891
2006-07-01	70.3050524308866
2006-08-01	70.3721374045801
2006-09-01	70.3708119709074
2006-10-01	70.3769983297542
2006-11-01	70.2983293556086
2006-12-01	70.0310930399426
2007-01-01	69.4917286022536
2007-02-01	69.7024238060955
2007-03-01	70.1080432172869
2007-04-01	71.0940314639126
2007-05-01	71.5950036031708
2007-06-01	71.5143509066891
2007-07-01	71.1212594640067
2007-08-01	70.9681298857486
2007-09-01	70.7736734448322
2007-10-01	70.8182912154031
2007-11-01	71.1705202312139
2007-12-01	70.9553065895675
2008-01-01	70.1434945134451
2008-02-01	69.9432435696172
2008-03-01	70.3287406333092
2008-04-01	71.1624531268900
2008-05-01	71.6082224909311
2008-06-01	71.4233885596807
2008-07-01	70.8580418734116
2008-08-01	71.0079961230918
2008-09-01	71.0736791080950
2008-10-01	71.0076391415060
2008-11-01	71.2292197548841
2008-12-01	70.6946805926646
2009-01-01	70.3113597664802
2009-02-01	69.9390986601705
2009-03-01	69.6245733788396
2009-04-01	70.3084989635410
2009-05-01	70.5050012198097
2009-06-01	70.2953380522333
2009-07-01	69.9340820312500
2009-08-01	70.2785243097972
2009-09-01	70.4178885630499
2009-10-01	70.2359124801369
2009-11-01	70.2286343073726
2009-12-01	70.0281483294578
2010-01-01	69.7979179424372
2010-02-01	69.6873083997548
2010-03-01	69.7620215897939
2010-04-01	70.2394106813996
2010-05-01	70.5362621180513
2010-06-01	70.3631010794897
2010-07-01	70.3240058910162
2010-08-01	70.4726826273788
2010-09-01	70.8215645339556
2010-10-01	70.5990670267616
2010-11-01	70.5058939096267
2010-12-01	70.3412717898355
2011-01-01	70.0920810313076
2011-02-01	70.2652910832719
2011-03-01	70.5940840169028
2011-04-01	71.2064676616916
2011-05-01	71.5351149782474
2011-06-01	71.4942814520139
2011-07-01	70.9472899055196
2011-08-01	70.9991268554322
2011-09-01	70.7470414201184
2011-10-01	70.7593688362919
2011-11-01	70.8292201382034
2011-12-01	70.4444444444444
2012-01-01	69.8506725903986
2012-02-01	69.9962912597354
2012-03-01	69.8304665264200
2012-04-01	70.5117085862966
2012-05-01	70.8488458674609
2012-06-01	71.0826918301465
2012-07-01	70.7592891760905
2012-08-01	70.7493154095096
2012-09-01	70.8821330675305
2012-10-01	71.1363352875140
2012-11-01	71.1788211788212
2012-12-01	70.5963245405676
2013-01-01	70.7821509150163
2013-02-01	70.8903679517770
2013-03-01	70.9742300439975
2013-04-01	71.6893252769386
2013-05-01	71.8820861678004
2013-06-01	72.0030253371990
2013-07-01	71.7764319959626
2013-08-01	71.8473591104372
2013-09-01	72.1562184024267
2013-10-01	72.2580645161290
2013-11-01	72.5557244174266
2013-12-01	72.2870182555781
2014-01-01	71.8206072925931
2014-02-01	72.0397249809014
2014-03-01	72.1478648820905
2014-04-01	72.5647899910634
2014-05-01	73.0906768837803
2014-06-01	73.0538156717372
2014-07-01	72.6749392350006
2014-08-01	72.8763613068546
2014-09-01	73.2982950903730
2014-10-01	73.2349165596919
2014-11-01	73.1209045355261
2014-12-01	73.2055569848212
2015-01-01	72.5586189126514
2015-02-01	72.7835849787069
2015-03-01	72.7883249386543
2015-04-01	73.0446024563672
2015-05-01	73.3962752198655
2015-06-01	73.6651583710407
2015-07-01	73.3877233877234
2015-08-01	73.4214961752885
2015-09-01	74.0567872423182
2015-10-01	74.1081852380334
2015-11-01	73.6725950928210
2015-12-01	73.8299531981279
2016-01-01	73.8547631441957
2016-02-01	73.6141906873614
2016-03-01	73.6333985649054
2016-04-01	74.1181081787301
2016-05-01	74.2554858934169
2016-06-01	74.6635306415785
2016-07-01	74.6241338737090
2016-08-01	74.7643979057592
2016-09-01	75.1146037982973
2016-10-01	75.0589159465829
2016-11-01	74.6986373165618
2016-12-01	74.9573658664568
2017-01-01	74.7311827956989
2017-02-01	74.3566176470588
2017-03-01	74.3266325055840
2017-04-01	75.0000000000000
2017-05-01	75.3386820991714
2017-06-01	75.7172940247434
2017-07-01	75.5494143966311
2017-08-01	75.6126482213439
2017-09-01	75.8330040827078
2017-10-01	75.8434370057986
2017-11-01	75.7679630850362
2017-12-01	75.8383945075258
2018-01-01	75.9947124917383
2018-02-01	76.0650965863985
2018-03-01	76.3506355932204
2018-04-01	76.7814569536424
2018-05-01	77.1462639109698
2018-06-01	77.0086035737922
2018-07-01	76.9852843696142
2018-08-01	77.1170692859039
2018-09-01	77.3179466772781