Month	Percent
1968-01-01	33.6743515850144
1968-02-01	34.1056267088790
1968-03-01	31.6894320632638
1968-04-01	29.8880275624462
1968-05-01	28.9341557882657
1968-06-01	28.9828080229226
1968-07-01	29.3646250715512
1968-08-01	29.6783416726233
1968-09-01	30.1099842879589
1968-10-01	30.0813008130081
1968-11-01	30.8021085624733
1968-12-01	32.5925925925926
1969-01-01	34.0068298235629
1969-02-01	33.9920386693204
1969-03-01	31.7762317194377
1969-04-01	30.2823896693628
1969-05-01	29.3875815140346
1969-06-01	29.4434216116697
1969-07-01	29.8670062252405
1969-08-01	30.3518440016956
1969-09-01	30.1623147494707
1969-10-01	30.4709531866892
1969-11-01	31.3935465689728
1969-12-01	32.6812104152006
1970-01-01	33.8444225629484
1970-02-01	33.7782773640579
1970-03-01	31.5796857463524
1970-04-01	30.1598429613012
1970-05-01	29.6597115249965
1970-06-01	29.6488036938576
1970-07-01	29.7202797202797
1970-08-01	30.5027932960894
1970-09-01	30.3026077255613
1970-10-01	30.6213429924770
1970-11-01	31.5840757238307
1970-12-01	32.4926849658632
1971-01-01	33.4122562674095
1971-02-01	33.4817701085444
1971-03-01	31.0450250138966
1971-04-01	30.2748473070516
1971-05-01	29.9778147531891
1971-06-01	30.0512394405207
1971-07-01	30.2393138746715
1971-08-01	30.8181315644002
1971-09-01	31.2249689269438
1971-10-01	31.0611287429281
1971-11-01	31.5172413793103
1971-12-01	32.7538631346578
1972-01-01	33.4804191947049
1972-02-01	33.6323488821419
1972-03-01	32.2567287784679
1972-04-01	31.3146640915988
1972-05-01	30.6622607737849
1972-06-01	30.8570642454258
1972-07-01	30.7314410480349
1972-08-01	31.1120196238757
1972-09-01	31.1810380057213
1972-10-01	30.8967391304348
1972-11-01	31.8076870840690
1972-12-01	32.3645253293494
1973-01-01	32.8404774823657
1973-02-01	32.7775518503457
1973-03-01	31.8298794527970
1973-04-01	31.0951671855963
1973-05-01	30.7650716409840
1973-06-01	30.2228224172856
1973-07-01	30.3173531397704
1973-08-01	31.1800404585300
1973-09-01	30.9889517650229
1973-10-01	30.1185344827586
1973-11-01	31.0808991788935
1973-12-01	33.0507334140762
1974-01-01	33.9782345828295
1974-02-01	33.5792862892407
1974-03-01	32.2372835860958
1974-04-01	31.3530910553842
1974-05-01	30.9370816599732
1974-06-01	31.1179459748596
1974-07-01	31.7141710156564
1974-08-01	31.9219981300922
1974-09-01	31.8503674014696
1974-10-01	31.5747295311874
1974-11-01	32.3674722926960
1974-12-01	33.6714266648872
1975-01-01	34.8387956301625
1975-02-01	34.5933714894183
1975-03-01	33.3200159808230
1975-04-01	32.6107195105732
1975-05-01	31.5321295804567
1975-06-01	31.5126607450616
1975-07-01	31.6271051584670
1975-08-01	32.0090054297444
1975-09-01	32.0502645502646
1975-10-01	31.9809700013215
1975-11-01	32.5888727368838
1975-12-01	33.2408874801902
1976-01-01	34.3090717299578
1976-02-01	34.1556728232190
1976-03-01	32.9331046312178
1976-04-01	32.2924901185771
1976-05-01	31.9258089976322
1976-06-01	31.8265440210250
1976-07-01	31.6225819186735
1976-08-01	31.8754925137904
1976-09-01	31.8867182378393
1976-10-01	32.0524590163934
1976-11-01	32.5770491803279
1976-12-01	33.2503276539974
1977-01-01	34.2143137511448
1977-02-01	34.1492146596859
1977-03-01	32.9887464014656
1977-04-01	31.7242281527996
1977-05-01	31.2402088772846
1977-06-01	31.1055997911500
1977-07-01	31.1137224180702
1977-08-01	31.7257559958290
1977-09-01	31.6323873991148
1977-10-01	31.8802862719584
1977-11-01	32.0499479708637
1977-12-01	32.5354494601275
1978-01-01	33.8537600832683
1978-02-01	33.5327005590950
1978-03-01	32.4665193082824
1978-04-01	31.3936874918821
1978-05-01	30.3564484769929
1978-06-01	30.1891681782845
1978-07-01	30.9357179885951
1978-08-01	31.4182194616977
1978-09-01	31.3631660631143
1978-10-01	31.2871543034376
1978-11-01	31.7060570838176
1978-12-01	32.3685230649955
1979-01-01	33.1311306143521
1979-02-01	33.3376355188436
1979-03-01	32.5125692922522
1979-04-01	31.1807166795566
1979-05-01	30.3631212979655
1979-06-01	30.2585874179853
1979-07-01	30.3989703989704
1979-08-01	30.8216535939308
1979-09-01	31.2475909032507
1979-10-01	30.8383617922712
1979-11-01	31.4575054480195
1979-12-01	32.3465333845957
1980-01-01	33.3119877049180
1980-02-01	33.4272901985906
1980-03-01	32.4286262962489
1980-04-01	31.1605316973415
1980-05-01	30.6867500638244
1980-06-01	30.2562794848910
1980-07-01	30.3776473590202
1980-08-01	30.8064721620589
1980-09-01	30.8954464512847
1980-10-01	31.0340447154472
1980-11-01	31.4880650076181
1980-12-01	32.1433108880701
1981-01-01	33.0541809415049
1981-02-01	33.1514151542074
1981-03-01	32.0603907637655
1981-04-01	30.6648058868308
1981-05-01	30.3714032196730
1981-06-01	30.2623241667723
1981-07-01	30.5108378755229
1981-08-01	30.8899860741866
1981-09-01	31.0981781376518
1981-10-01	31.0532304969023
1981-11-01	31.1456752655539
1981-12-01	31.7554739906341
1982-01-01	32.7438100050531
1982-02-01	32.6643947999495
1982-03-01	31.4826498422713
1982-04-01	30.4210791729702
1982-05-01	29.9937067337948
1982-06-01	30.2462930384519
1982-07-01	30.5845380263985
1982-08-01	30.9129671432154
1982-09-01	30.8858539030197
1982-10-01	30.6334501752629
1982-11-01	30.9213820731097
1982-12-01	31.0919108439770
1983-01-01	31.7545613596601
1983-02-01	31.9016106879760
1983-03-01	30.9797550612347
1983-04-01	29.8464611159655
1983-05-01	29.2965826889499
1983-06-01	29.4073705179283
1983-07-01	29.7149259305365
1983-08-01	29.9416076531246
1983-09-01	29.9578059071730
1983-10-01	30.0496277915633
1983-11-01	30.5145691258524
1983-12-01	31.4034217703942
1984-01-01	32.2680540071844
1984-02-01	32.2185061315496
1984-03-01	31.2987495357187
1984-04-01	30.1075268817204
1984-05-01	29.7604346752284
1984-06-01	29.4930307141976
1984-07-01	29.8643649815043
1984-08-01	30.1452486459872
1984-09-01	29.8402948402948
1984-10-01	29.8611964132170
1984-11-01	30.5057697029217
1984-12-01	31.3559322033898
1985-01-01	31.9882251931804
1985-02-01	32.1235899950956
1985-03-01	31.3833701250920
1985-04-01	30.1348039215686
1985-05-01	29.8507462686567
1985-06-01	29.9938837920489
1985-07-01	30.1626115662061
1985-08-01	30.4948075748320
1985-09-01	30.2339751401414
1985-10-01	30.3458353628836
1985-11-01	30.8637469586375
1985-12-01	31.9011684518014
1986-01-01	32.0607902735562
1986-02-01	32.2282938676381
1986-03-01	31.3273477311332
1986-04-01	30.1431344007763
1986-05-01	30.0862383092433
1986-06-01	29.9320553263771
1986-07-01	29.8922909354956
1986-08-01	30.2137423016544
1986-09-01	30.4206339640834
1986-10-01	30.5107203083594
1986-11-01	30.9842187688230
1986-12-01	31.7705194648668
1987-01-01	32.4386133846895
1987-02-01	32.4626865671642
1987-03-01	31.4828166306176
1987-04-01	30.2629998799087
1987-05-01	29.8822964208504
1987-06-01	29.9531981279251
1987-07-01	30.2503893614472
1987-08-01	30.2714986245664
1987-09-01	30.4124327555290
1987-10-01	30.6158987825257
1987-11-01	30.8141614018357
1987-12-01	31.3334923664122
1988-01-01	32.0714285714286
1988-02-01	32.2934031912360
1988-03-01	31.3363506431634
1988-04-01	30.1153251694210
1988-05-01	29.7294089722288
1988-06-01	29.8266445024935
1988-07-01	29.9276136228788
1988-08-01	30.2796871296516
1988-09-01	30.5227057710501
1988-10-01	30.7110796125679
1988-11-01	30.8835672997523
1988-12-01	31.1628456629638
1989-01-01	32.0184244714775
1989-02-01	31.7983232967292
1989-03-01	30.8908554572271
1989-04-01	29.7192071731949
1989-05-01	29.2746113989637
1989-06-01	29.1848017880249
1989-07-01	29.4159125631684
1989-08-01	29.9530516431925
1989-09-01	30.1710002342469
1989-10-01	30.0854901042277
1989-11-01	30.1042520791847
1989-12-01	30.5448154657294
1990-01-01	31.3385642346879
1990-02-01	31.0720562390158
1990-03-01	30.2096755300457
1990-04-01	29.3125658742242
1990-05-01	28.7132181223727
1990-06-01	28.8416627744045
1990-07-01	29.0303738317757
1990-08-01	29.6114805740287
1990-09-01	29.2981026655803
1990-10-01	29.1729673141794
1990-11-01	29.4597112249651
1990-12-01	29.8904173467009
1991-01-01	30.5587892898719
1991-02-01	30.4636533084809
1991-03-01	29.5753344968005
1991-04-01	28.6876670928746
1991-05-01	28.2378905796260
1991-06-01	28.1170188065939
1991-07-01	28.5084155542658
1991-08-01	28.6972647195178
1991-09-01	28.6591014358499
1991-10-01	28.7434858135495
1991-11-01	28.6988761441316
1991-12-01	28.9659974469073
1992-01-01	30.0092764378479
1992-02-01	29.7150139017609
1992-03-01	29.1739080060248
1992-04-01	28.3294663573086
1992-05-01	27.9462838620051
1992-06-01	28.0841715805295
1992-07-01	28.3880666049954
1992-08-01	28.5351201478743
1992-09-01	28.5747259088286
1992-10-01	28.1906300484653
1992-11-01	28.2385511593033
1992-12-01	28.6390942698706
1993-01-01	29.8442008078477
1993-02-01	30.0484652665590
1993-03-01	29.3527172031845
1993-04-01	28.2663896583564
1993-05-01	27.7893038266482
1993-06-01	27.8718746399355
1993-07-01	28.0659289995390
1993-08-01	28.3444623532121
1993-09-01	28.3856863421931
1993-10-01	28.1192449355433
1993-11-01	28.2673722963645
1993-12-01	28.5911602209945
1994-01-01	29.6364473078693
1994-02-01	29.8629505931130
1994-03-01	29.0749913604424
1994-04-01	27.9109983859811
1994-05-01	27.4810039143449
1994-06-01	27.6985040276180
1994-07-01	28.0023028209557
1994-08-01	28.2476124726729
1994-09-01	28.3480859868950
1994-10-01	28.3135992642832
1994-11-01	28.6157737410899
1994-12-01	29.0151863782789
1995-01-01	29.6585814461432
1995-02-01	29.7490214137693
1995-03-01	28.8970757540870
1995-04-01	28.0184331797235
1995-05-01	27.8039802139653
1995-06-01	27.6960220740400
1995-07-01	27.8014511113670
1995-08-01	28.1570162311500
1995-09-01	27.8812974465148
1995-10-01	28.1246406806945
1995-11-01	28.4400505805265
1995-12-01	28.7177716390424
1996-01-01	29.2452830188679
1996-02-01	29.4375288151222
1996-03-01	28.5285977859779
1996-04-01	27.6271772984197
1996-05-01	27.3816380601313
1996-06-01	26.9890616004606
1996-07-01	27.0379338175948
1996-08-01	27.5357307514984
1996-09-01	27.4182404421925
1996-10-01	27.5647668393782
1996-11-01	28.0368451352907
1996-12-01	28.2666359128128
1997-01-01	28.4860328773422
1997-02-01	28.3937823834197
1997-03-01	27.8692298837343
1997-04-01	27.1166916253888
1997-05-01	26.6682006442706
1997-06-01	26.4719411223551
1997-07-01	26.6927683095348
1997-08-01	27.0874121847288
1997-09-01	26.9925244393330
1997-10-01	26.9956291695422
1997-11-01	27.7036355269213
1997-12-01	27.8289928554967
1998-01-01	28.0184331797235
1998-02-01	28.4282092648076
1998-03-01	27.7617785969358
1998-04-01	27.0924602259626
1998-05-01	26.5614196819544
1998-06-01	26.5867987559037
1998-07-01	26.9501094596152
1998-08-01	26.9062428011979
1998-09-01	27.0811744386874
1998-10-01	27.1795462397789
1998-11-01	27.4956822107081
1998-12-01	27.8957083525611
1999-01-01	28.3145031127508
1999-02-01	28.4791137779829
1999-03-01	27.7335180695070
1999-04-01	27.0132871172732
1999-05-01	26.7090069284065
1999-06-01	26.8999768999769
1999-07-01	27.2265218898002
1999-08-01	27.0429362880886
1999-09-01	27.0482344795754
1999-10-01	27.2937103289094
1999-11-01	27.5245239469129
1999-12-01	27.9330254041570
2000-01-01	28.4559417946645
2000-02-01	28.5928835489834
2000-03-01	28.0328437608419
2000-04-01	27.0801990510358
2000-05-01	26.7437825332562
2000-06-01	26.9373120518159
2000-07-01	27.1737871946278
2000-08-01	27.2401018754341
2000-09-01	27.1843536627705
2000-10-01	27.0192085165471
2000-11-01	27.1002082851192
2000-12-01	27.6588357828955
2001-01-01	27.9374275782155
2001-02-01	27.8810408921933
2001-03-01	27.6462395543176
2001-04-01	27.0646997328377
2001-05-01	26.6852303051398
2001-06-01	26.9003133341070
2001-07-01	27.0499419279907
2001-08-01	27.1576257405041
2001-09-01	27.4584929757344
2001-10-01	27.3001508295626
2001-11-01	27.1715180331671
2001-12-01	27.8848386347806
2002-01-01	28.4351367073880
2002-02-01	28.3982280251807
2002-03-01	27.8049918357826
2002-04-01	27.4500642448312
2002-05-01	27.4265048996734
2002-06-01	27.2388059701493
2002-07-01	27.2854640980736
2002-08-01	27.2398084335942
2002-09-01	27.4562427071179
2002-10-01	27.2493873264092
2002-11-01	27.4810052600818
2002-12-01	27.9709635874019
2003-01-01	28.4174768654094
2003-02-01	28.6049513082248
2003-03-01	27.7810338764506
2003-04-01	27.3911512733247
2003-05-01	27.1448663853727
2003-06-01	26.9172228076338
2003-07-01	27.2418239362326
2003-08-01	27.4240825419158
2003-09-01	27.4197328333724
2003-10-01	27.3174733388023
2003-11-01	27.4325908558030
2003-12-01	27.7373120300752
2004-01-01	28.3818694222640
2004-02-01	28.4554758263734
2004-03-01	28.0427631578947
2004-04-01	27.4477576895985
2004-05-01	27.2876776694467
2004-06-01	27.3369437249823
2004-07-01	27.2020725388601
2004-08-01	27.0340280230778
2004-09-01	27.2663056275018
2004-10-01	27.2138483278380
2004-11-01	27.7267373380448
2004-12-01	28.0339662696073
2005-01-01	28.1718399622330
2005-02-01	28.3756645008860
2005-03-01	27.9058767884593
2005-04-01	27.1661931818182
2005-05-01	26.6335814722912
2005-06-01	26.8607265412377
2005-07-01	26.7850799289520
2005-08-01	26.9066792989105
2005-09-01	26.6895490590602
2005-10-01	26.6785079928952
2005-11-01	27.3266152934203
2005-12-01	27.6762402088773
2006-01-01	27.7295948675300
2006-02-01	27.7301927194861
2006-03-01	27.3764258555133
2006-04-01	26.6825491363907
2006-05-01	26.1066158971918
2006-06-01	26.2970014278915
2006-07-01	26.6325071496664
2006-08-01	26.5147900763359
2006-09-01	26.4456897579587
2006-10-01	26.4137437365784
2006-11-01	26.7303102625298
2006-12-01	27.1705333652236
2007-01-01	27.4874130903860
2007-02-01	27.2138228941685
2007-03-01	26.6626650660264
2007-04-01	25.8196229134142
2007-05-01	25.4383857794859
2007-06-01	25.6875225171130
2007-07-01	26.1867563994712
2007-08-01	26.1695730607336
2007-09-01	26.1220069787029
2007-10-01	26.0288808664260
2007-11-01	25.9754335260116
2007-12-01	26.3703168292977
2008-01-01	26.8901483178584
2008-02-01	26.9774181862094
2008-03-01	26.5893159294175
2008-04-01	25.6925123986936
2008-05-01	25.3083434099154
2008-06-01	25.5411778933366
2008-07-01	26.1769333171971
2008-08-01	25.8420159922462
2008-09-01	25.7755695588948
2008-10-01	26.0337092275979
2008-11-01	25.8221089673583
2008-12-01	26.1355355841632
2009-01-01	26.4412551690586
2009-02-01	26.5529841656516
2009-03-01	26.4748902974159
2009-04-01	25.6919887818559
2009-05-01	25.4330324469383
2009-06-01	25.6529167683671
2009-07-01	25.8789062500000
2009-08-01	25.4825311507452
2009-09-01	25.3543499511241
2009-10-01	25.7670211465591
2009-11-01	25.8955862574887
2009-12-01	26.2513768204626
2010-01-01	26.4298836497244
2010-02-01	26.4990803188228
2010-03-01	26.1040235525025
2010-04-01	25.5985267034991
2010-05-01	25.3896183580807
2010-06-01	25.6133464180569
2010-07-01	25.8100147275405
2010-08-01	25.5616942909761
2010-09-01	25.1749969298784
2010-10-01	25.4726246010312
2010-11-01	25.7490176817289
2010-12-01	26.1355266388412
2011-01-01	26.2983425414365
2011-02-01	26.1852124785065
2011-03-01	25.5903554561273
2011-04-01	24.9129353233831
2011-05-01	24.7358607830951
2011-06-01	24.7389358528095
2011-07-01	25.3232222774739
2011-08-01	25.4833478857428
2011-09-01	26.0108481262327
2011-10-01	25.8505917159763
2011-11-01	25.8390918065153
2011-12-01	26.2592592592593
2012-01-01	26.7184993212390
2012-02-01	26.6040301644208
2012-03-01	26.5684939982675
2012-04-01	25.7464998141494
2012-05-01	25.6639364606602
2012-06-01	25.5276881052893
2012-07-01	25.7984341990804
2012-08-01	25.9522031366692
2012-09-01	25.8534762023424
2012-10-01	25.6330298116502
2012-11-01	25.7367632367632
2012-12-01	26.3532941617702
2013-01-01	25.9714214088744
2013-02-01	25.8068567122944
2013-03-01	25.6945317410434
2013-04-01	24.8237663645519
2013-05-01	24.7543461829176
2013-06-01	24.9086096054456
2013-07-01	25.1703255109765
2013-08-01	24.9178670710134
2013-09-01	24.7598584428716
2013-10-01	24.5793801391524
2013-11-01	24.4807497467072
2013-12-01	25.0000000000000
2014-01-01	25.3207978655825
2014-02-01	25.1718869365928
2014-03-01	24.8948374760994
2014-04-01	24.4223158432274
2014-05-01	23.9974457215837
2014-06-01	23.9805701137671
2014-07-01	24.3315850070359
2014-08-01	24.3689942344651
2014-09-01	23.9071913857198
2014-10-01	23.9537869062901
2014-11-01	24.2194526532186
2014-12-01	24.2732184203756
2015-01-01	24.6457098685906
2015-02-01	24.4934830300684
2015-03-01	24.4478884153429
2015-04-01	24.1499676793794
2015-05-01	23.8877392653906
2015-06-01	23.6199095022624
2015-07-01	23.8798238798239
2015-08-01	23.8428626993388
2015-09-01	23.2335018799430
2015-10-01	23.3752756518355
2015-11-01	23.7569778008568
2015-12-01	23.6609464378575
2016-01-01	23.5684539302447
2016-02-01	23.8163558106169
2016-03-01	23.7573385518591
2016-04-01	23.1512934413379
2016-05-01	23.1452455590387
2016-06-01	22.7884489742585
2016-07-01	22.9049548960648
2016-08-01	22.6439790575916
2016-09-01	22.4623444662737
2016-10-01	22.5975386226761
2016-11-01	22.9035639412998
2016-12-01	22.6944772399318
2017-01-01	22.9084710201941
2017-02-01	23.3587184873950
2017-03-01	23.3740638549468
2017-04-01	22.6184210526316
2017-05-01	22.1228462449033
2017-06-01	21.9794682811266
2017-07-01	22.1213317541782
2017-08-01	22.0685111989460
2017-09-01	21.8227314631898
2017-10-01	21.9557195571956
2017-11-01	22.0830586684245
2017-12-01	22.0623184578822
2018-01-01	22.0489094514210
2018-02-01	21.9370203757608
2018-03-01	21.5307203389831
2018-04-01	21.0463576158940
2018-05-01	20.9856915739269
2018-06-01	20.9265387160821
2018-07-01	20.9068010075567
2018-08-01	20.8123174940271
2018-09-01	20.7056638811513