Month	Percent
1968-01-01	52.4752475247525
1968-02-01	52.2299306243806
1968-03-01	57.0297029702970
1968-04-01	58.8701684836472
1968-05-01	59.8019801980198
1968-06-01	60.2970297029703
1968-07-01	60.3754940711462
1968-08-01	58.8118811881188
1968-09-01	57.0862239841427
1968-10-01	57.7799801783944
1968-11-01	56.9016881827210
1968-12-01	55.0695825049702
1969-01-01	52.6368159203980
1969-02-01	51.5422885572139
1969-03-01	55.6886227544910
1969-04-01	57.9000000000000
1969-05-01	58.2417582417582
1969-06-01	58.1418581418581
1969-07-01	58.7412587412587
1969-08-01	57.3852295409182
1969-09-01	56.0439560439560
1969-10-01	56.0439560439560
1969-11-01	55.5888223552894
1969-12-01	54.7357926221336
1970-01-01	52.2432701894317
1970-02-01	51.7447657028913
1970-03-01	57.0149253731343
1970-04-01	58.2089552238806
1970-05-01	58.7884806355512
1970-06-01	58.5898709036743
1970-07-01	59.4246031746032
1970-08-01	57.7799801783944
1970-09-01	56.8743818001978
1970-10-01	56.0710760118460
1970-11-01	55.9288537549407
1970-12-01	55.7863501483680
1971-01-01	54.6890424481737
1971-02-01	55.1282051282051
1971-03-01	57.7603143418468
1971-04-01	59.3535749265426
1971-05-01	61.3124387855044
1971-06-01	60.1960784313726
1971-07-01	59.7058823529412
1971-08-01	58.4070796460177
1971-09-01	57.2271386430678
1971-10-01	57.2978303747534
1971-11-01	56.7193675889328
1971-12-01	56.5476190476190
1972-01-01	54.6360917248255
1972-02-01	54.6747967479675
1972-03-01	56.6191446028513
1972-04-01	58.2226762002043
1972-05-01	58.1371545547595
1972-06-01	58.3589743589744
1972-07-01	58.4867075664622
1972-08-01	56.5128205128205
1972-09-01	55.8762886597938
1972-10-01	55.3014553014553
1972-11-01	53.9103232533889
1972-12-01	54.1841004184100
1973-01-01	51.8401682439537
1973-02-01	52.1141649048626
1973-03-01	53.5524920466596
1973-04-01	56.0638297872340
1973-05-01	56.7307692307692
1973-06-01	56.0557341907824
1973-07-01	57.0505920344456
1973-08-01	55.1240560949299
1973-09-01	53.5714285714286
1973-10-01	53.1453362255965
1973-11-01	52.1218715995647
1973-12-01	51.7467248908297
1974-01-01	49.5614035087719
1974-02-01	49.7249724972497
1974-03-01	53.2079646017699
1974-04-01	54.2128603104213
1974-05-01	54.3333333333333
1974-06-01	53.4521158129176
1974-07-01	53.1390134529148
1974-08-01	51.7396184062851
1974-09-01	50.9009009009009
1974-10-01	50.9049773755656
1974-11-01	49.8297389330306
1974-12-01	48.7471526195900
1975-01-01	46.7428571428571
1975-02-01	45.9862385321101
1975-03-01	48.1012658227848
1975-04-01	49.7690531177829
1975-05-01	50.5202312138728
1975-06-01	48.1481481481481
1975-07-01	49.7679814385151
1975-08-01	49.0104772991851
1975-09-01	47.9579929988331
1975-10-01	48.6581096849475
1975-11-01	48.5345838218054
1975-12-01	48.8235294117647
1976-01-01	46.6431095406360
1976-02-01	45.8628841607565
1976-03-01	47.8672985781991
1976-04-01	48.0997624703088
1976-05-01	47.0937129300119
1976-06-01	47.8622327790974
1976-07-01	47.9091995221027
1976-08-01	47.0167064439141
1976-09-01	46.4839094159714
1976-10-01	44.3779904306220
1976-11-01	44.9760765550239
1976-12-01	45.4436450839329
1977-01-01	42.7196149217810
1977-02-01	42.0989143546442
1977-03-01	45.5205811138014
1977-04-01	44.8484848484848
1977-05-01	44.6060606060606
1977-06-01	45.1456310679612
1977-07-01	45.4323995127893
1977-08-01	45.1219512195122
1977-09-01	44.7015834348356
1977-10-01	42.4390243902439
1977-11-01	43.0487804878049
1977-12-01	43.2234432234432
1978-01-01	41.0256410256410
1978-02-01	40.8812729498164
1978-03-01	43.1901840490798
1978-04-01	46.2576687116564
1978-05-01	46.4460784313726
1978-06-01	44.7303921568628
1978-07-01	44.1717791411043
1978-08-01	42.5061425061425
1978-09-01	42.0664206642066
1978-10-01	42.0147420147420
1978-11-01	41.5950920245399
1978-12-01	41.8204182041820
1979-01-01	39.4833948339483
1979-02-01	39.4833948339483
1979-03-01	40.9594095940959
1979-04-01	43.2432432432432
1979-05-01	45.0306748466258
1979-06-01	45.3987730061350
1979-07-01	44.8402948402948
1979-08-01	42.8044280442804
1979-09-01	40.6134969325153
1979-10-01	41.9631901840491
1979-11-01	41.2269938650307
1979-12-01	41.4932680538556
1980-01-01	39.4607843137255
1980-02-01	37.5921375921376
1980-03-01	40.4907975460123
1980-04-01	41.7892156862745
1980-05-01	42.6650366748166
1980-06-01	43.8339438339438
1980-07-01	43.5207823960880
1980-08-01	41.8803418803419
1980-09-01	41.0692588092345
1980-10-01	41.1407766990291
1980-11-01	41.0194174757282
1980-12-01	41.2621359223301
1981-01-01	39.6111786148238
1981-02-01	38.4146341463415
1981-03-01	40.9035409035409
1981-04-01	43.1013431013431
1981-05-01	43.0844553243574
1981-06-01	44.6078431372549
1981-07-01	43.9263803680982
1981-08-01	42.5061425061425
1981-09-01	40.9090909090909
1981-10-01	40.7862407862408
1981-11-01	41.2776412776413
1981-12-01	40.6134969325153
1982-01-01	38.5276073619632
1982-02-01	37.7914110429448
1982-03-01	40.3422982885086
1982-04-01	44.1320293398533
1982-05-01	43.6585365853658
1982-06-01	42.4574209245742
1982-07-01	42.7527405602923
1982-08-01	41.6969696969697
1982-09-01	41.2333736396614
1982-10-01	41.0843373493976
1982-11-01	41.8772563176895
1982-12-01	42.1875000000000
1983-01-01	40.2644230769231
1983-02-01	39.8559423769508
1983-03-01	41.2470023980815
1983-04-01	43.4052757793765
1983-05-01	44.1916167664671
1983-06-01	44.6300715990453
1983-07-01	43.6233611442193
1983-08-01	41.9738406658740
1983-09-01	41.1625148279952
1983-10-01	41.3017751479290
1983-11-01	41.4893617021277
1983-12-01	41.2042502951594
1984-01-01	39.3617021276596
1984-02-01	38.9810426540284
1984-03-01	39.3617021276596
1984-04-01	42.8739693757362
1984-05-01	43.5294117647059
1984-06-01	43.1418522860492
1984-07-01	42.1545667447307
1984-08-01	41.4235705950992
1984-09-01	41.6083916083916
1984-10-01	41.2790697674419
1984-11-01	40.9302325581395
1984-12-01	41.1832946635731
1985-01-01	39.0046296296296
1985-02-01	38.1228273464658
1985-03-01	39.3271461716937
1985-04-01	42.0323325635104
1985-05-01	42.3963133640553
1985-06-01	42.1839080459770
1985-07-01	42.4137931034483
1985-08-01	41.0755148741419
1985-09-01	40.3648802736602
1985-10-01	40.0911161731207
1985-11-01	40.6143344709898
1985-12-01	40.2951191827469
1986-01-01	38.8195232690125
1986-02-01	38.0952380952381
1986-03-01	39.2090395480226
1986-04-01	41.9209039548023
1986-05-01	42.3423423423423
1986-06-01	42.3595505617978
1986-07-01	41.9753086419753
1986-08-01	41.1173184357542
1986-09-01	40.3567447045708
1986-10-01	40.3333333333333
1986-11-01	40.5764966740576
1986-12-01	39.4678492239468
1987-01-01	37.1809100998890
1987-02-01	36.8888888888889
1987-03-01	38.9380530973451
1987-04-01	41.7218543046358
1987-05-01	41.4285714285714
1987-06-01	41.8400876232202
1987-07-01	41.9037199124726
1987-08-01	41.5485278080698
1987-09-01	40.1960784313726
1987-10-01	39.5222584147666
1987-11-01	40.3679653679654
1987-12-01	39.5248380129590
1988-01-01	37.1089536138080
1988-02-01	36.1081081081081
1988-03-01	38.4698275862069
1988-04-01	42.0430107526882
1988-05-01	42.2746781115880
1988-06-01	42.7194860813704
1988-07-01	41.5598290598291
1988-08-01	40.9381663113006
1988-09-01	39.7667020148462
1988-10-01	39.8305084745763
1988-11-01	40.4862579281184
1988-12-01	40.0843881856540
1989-01-01	37.6582278481013
1989-02-01	37.2362869198312
1989-03-01	38.5909568874869
1989-04-01	42.0168067226891
1989-05-01	42.2268907563025
1989-06-01	42.4686192468619
1989-07-01	42.3640167364017
1989-08-01	41.1273486430063
1989-09-01	40.1664932362123
1989-10-01	40.7061266874351
1989-11-01	41.0176531671859
1989-12-01	40.7676348547718
1990-01-01	38.2383419689119
1990-02-01	38.3575883575884
1990-03-01	39.3561786085151
1990-04-01	42.3834196891192
1990-05-01	43.9503619441572
1990-06-01	43.6401240951396
1990-07-01	43.4647302904564
1990-08-01	41.7786970010341
1990-09-01	42.1052631578947
1990-10-01	43.0196483971044
1990-11-01	41.9421487603306
1990-12-01	41.8388429752066
1991-01-01	39.6907216494845
1991-02-01	38.7396694214876
1991-03-01	41.5637860082304
1991-04-01	43.8075742067554
1991-05-01	44.9541284403670
1991-06-01	45.7782299084435
1991-07-01	45.3252032520325
1991-08-01	44.3768996960486
1991-09-01	44.0968718466196
1991-10-01	43.6932391523713
1991-11-01	43.4914228052472
1991-12-01	43.0877901109990
1992-01-01	41.5228426395939
1992-02-01	42.0570264765784
1992-03-01	42.7698574338086
1992-04-01	46.0754332313965
1992-05-01	45.7230142566191
1992-06-01	45.1120162932790
1992-07-01	46.9387755102041
1992-08-01	45.6676860346585
1992-09-01	44.5010183299389
1992-10-01	45.1120162932790
1992-11-01	45.0661241098678
1992-12-01	44.5463812436290
1993-01-01	41.9816138917262
1993-02-01	42.4769703172979
1993-03-01	43.9223697650664
1993-04-01	46.3190184049080
1993-05-01	46.2167689161554
1993-06-01	46.5235173824131
1993-07-01	47.7459016393443
1993-08-01	46.1065573770492
1993-09-01	44.4216990788127
1993-10-01	46.4139344262295
1993-11-01	45.9487179487180
1993-12-01	45.6410256410256
1994-01-01	43.2238193018480
1994-02-01	42.5619834710744
1994-03-01	43.5500515995872
1994-04-01	46.3364293085655
1994-05-01	47.2107438016529
1994-06-01	46.6460268317854
1994-07-01	47.2538860103627
1994-08-01	46.7842323651452
1994-09-01	45.0310559006211
1994-10-01	45.1813471502591
1994-11-01	45.7468879668050
1994-12-01	45.0674974039460
1995-01-01	43.4963579604579
1995-02-01	42.6332288401254
1995-03-01	43.3054393305439
1995-04-01	45.7112970711297
1995-05-01	46.2827225130890
1995-06-01	46.5408805031447
1995-07-01	47.1578947368421
1995-08-01	46.0484720758693
1995-09-01	45.1001053740780
1995-10-01	45.5216016859852
1995-11-01	45.1953537486800
1995-12-01	44.1269841269841
1996-01-01	44.0084835630965
1996-02-01	43.6034115138593
1996-03-01	43.4968017057569
1996-04-01	46.4247598719317
1996-05-01	46.5811965811966
1996-06-01	47.2668810289389
1996-07-01	47.2551130247578
1996-08-01	47.0334412081985
1996-09-01	45.9546925566343
1996-10-01	45.2972972972973
1996-11-01	45.4446854663774
1996-12-01	46.3626492942454
1997-01-01	44.5901639344262
1997-02-01	43.7362637362637
1997-03-01	44.5054945054945
1997-04-01	46.5346534653465
1997-05-01	47.6872246696035
1997-06-01	47.7924944812362
1997-07-01	48.0577136514983
1997-08-01	47.1571906354515
1997-09-01	46.4961067853170
1997-10-01	46.1538461538462
1997-11-01	45.2513966480447
1997-12-01	45.1901565995526
1998-01-01	42.6966292134831
1998-02-01	42.0993227990971
1998-03-01	43.2279909706546
1998-04-01	45.1977401129944
1998-05-01	46.2585034013605
1998-06-01	46.6515323496027
1998-07-01	46.2941847206385
1998-08-01	45.6521739130435
1998-09-01	45.2462772050401
1998-10-01	45.6422018348624
1998-11-01	44.9942462600690
1998-12-01	44.5213379469435
1999-01-01	42.5433526011561
1999-02-01	41.0465116279070
1999-03-01	41.5116279069767
1999-04-01	43.3566433566434
1999-05-01	44.5614035087719
1999-06-01	44.8477751756440
1999-07-01	44.1696113074205
1999-08-01	43.8679245283019
1999-09-01	42.3167848699764
1999-10-01	42.4170616113744
1999-11-01	42.3305588585018
1999-12-01	43.0952380952381
2000-01-01	41.2887828162291
2000-02-01	39.6882494004796
2000-03-01	41.0564225690276
2000-04-01	43.5251798561151
2000-05-01	45.3012048192771
2000-06-01	44.1495778045838
2000-07-01	43.8787878787879
2000-08-01	43.2563791008505
2000-09-01	41.4841849148418
2000-10-01	42.2141119221411
2000-11-01	42.9268292682927
2000-12-01	42.2982885085575
2001-01-01	40.0000000000000
2001-02-01	39.5807644882861
2001-03-01	40.5672009864365
2001-04-01	43.7037037037037
2001-05-01	43.7577255871446
2001-06-01	43.1226765799256
2001-07-01	43.1421446384040
2001-08-01	43.0000000000000
2001-09-01	39.8750000000000
2001-10-01	40.6758448060075
2001-11-01	41.5829145728643
2001-12-01	41.0804020100502
2002-01-01	38.6363636363636
2002-02-01	38.1194409148666
2002-03-01	40.1524777636595
2002-04-01	42.5667090216010
2002-05-01	42.2193877551020
2002-06-01	41.7091836734694
2002-07-01	42.3273657289003
2002-08-01	43.3889602053915
2002-09-01	41.3350449293967
2002-10-01	41.0553410553410
2002-11-01	39.6907216494845
2002-12-01	40.1808785529716
2003-01-01	38.7596899224806
2003-02-01	38.6215864759428
2003-03-01	38.7012987012987
2003-04-01	41.3524057217165
2003-05-01	41.6449086161880
2003-06-01	40.6535947712418
2003-07-01	40.1574803149606
2003-08-01	40.5263157894737
2003-09-01	40.6044678055190
2003-10-01	40.0000000000000
2003-11-01	40.0527009222661
2003-12-01	39.6026490066225
2004-01-01	37.5331564986737
2004-02-01	36.2666666666667
2004-03-01	37.4167776298269
2004-04-01	40.4793608521971
2004-05-01	40.4539385847797
2004-06-01	39.2761394101877
2004-07-01	40.1881720430108
2004-08-01	40.8355795148248
2004-09-01	39.7297297297297
2004-10-01	40.7307171853857
2004-11-01	40.1084010840108
2004-12-01	40.3532608695652
2005-01-01	37.1934604904632
2005-02-01	36.1149110807114
2005-03-01	37.3461012311902
2005-04-01	39.8630136986301
2005-05-01	40.0000000000000
2005-06-01	41.0714285714286
2005-07-01	41.5172413793103
2005-08-01	41.2742382271468
2005-09-01	41.6897506925208
2005-10-01	41.5512465373961
2005-11-01	41.8055555555556
2005-12-01	41.6434540389972
2006-01-01	38.9972144846797
2006-02-01	38.6554621848740
2006-03-01	38.8499298737728
2006-04-01	41.5147265077139
2006-05-01	41.5730337078652
2006-06-01	41.4908579465542
2006-07-01	40.6205923836389
2006-08-01	41.8670438472419
2006-09-01	41.5841584158416
2006-10-01	41.4184397163121
2006-11-01	41.0511363636364
2006-12-01	40.1137980085348
2007-01-01	38.0543633762518
2007-02-01	38.6494252873563
2007-03-01	40.0862068965517
2007-04-01	43.9655172413793
2007-05-01	43.6154949784792
2007-06-01	43.1654676258993
2007-07-01	41.7027417027417
2007-08-01	41.6787264833574
2007-09-01	41.9681620839363
2007-10-01	41.6787264833574
2007-11-01	41.2191582002903
2007-12-01	39.5924308588064
2008-01-01	37.0262390670554
2008-02-01	38.0116959064328
2008-03-01	39.2961876832845
2008-04-01	42.6686217008798
2008-05-01	43.9060205580029
2008-06-01	42.1439060205580
2008-07-01	40.8554572271386
2008-08-01	42.6883308714919
2008-09-01	40.9763313609467
2008-10-01	41.3333333333333
2008-11-01	41.3075780089153
2008-12-01	39.7321428571429
2009-01-01	37.6119402985075
2009-02-01	37.0149253731343
2009-03-01	36.6766467065868
2009-04-01	40.0597907324365
2009-05-01	41.4670658682635
2009-06-01	39.9399399399399
2009-07-01	37.9518072289157
2009-08-01	39.2156862745098
2009-09-01	37.8582202111614
2009-10-01	37.9727685325265
2009-11-01	37.1212121212121
2009-12-01	36.0182370820669
2010-01-01	35.4642313546423
2010-02-01	34.8091603053435
2010-03-01	35.9327217125382
2010-04-01	38.5911179173047
2010-05-01	38.4379785604900
2010-06-01	38.1316998468606
2010-07-01	38.0000000000000
2010-08-01	39.0432098765432
2010-09-01	38.3900928792570
2010-10-01	38.3900928792570
2010-11-01	37.2274143302181
2010-12-01	37.2670807453416
2011-01-01	35.3582554517134
2011-02-01	35.2024922118380
2011-03-01	36.4649681528662
2011-04-01	39.9681528662420
2011-05-01	40.3200000000000
2011-06-01	40.7704654895666
2011-07-01	39.5833333333333
2011-08-01	38.7096774193548
2011-09-01	37.8930817610063
2011-10-01	37.4803149606299
2011-11-01	36.9085173501577
2011-12-01	37.1653543307087
2012-01-01	35.6466876971609
2012-02-01	35.3870458135861
2012-03-01	34.8101265822785
2012-04-01	38.6075949367089
2012-05-01	38.9857369255151
2012-06-01	39.7781299524564
2012-07-01	38.9857369255151
2012-08-01	38.5714285714286
2012-09-01	38.9507154213037
2012-10-01	39.2686804451510
2012-11-01	37.9968203497615
2012-12-01	36.5659777424483
2013-01-01	36.7834394904459
2013-02-01	36.7412140575080
2013-03-01	36.1022364217252
2013-04-01	39.6800000000000
2013-05-01	40.6400000000000
2013-06-01	40.0000000000000
2013-07-01	39.2628205128205
2013-08-01	40.6752411575563
2013-09-01	38.4000000000000
2013-10-01	37.8812199036918
2013-11-01	38.9423076923077
2013-12-01	37.6602564102564
2014-01-01	36.5971107544141
2014-02-01	37.4598070739550
2014-03-01	37.7813504823151
2014-04-01	39.8713826366560
2014-05-01	40.8360128617363
2014-06-01	40.0321543408360
2014-07-01	39.5498392282958
2014-08-01	41.1954765751212
2014-09-01	41.3848631239936
2014-10-01	39.1304347826087
2014-11-01	38.9694041867955
2014-12-01	38.8083735909823
2015-01-01	37.5201288244766
2015-02-01	37.9032258064516
2015-03-01	38.1642512077295
2015-04-01	40.3225806451613
2015-05-01	41.0628019323672
2015-06-01	40.5797101449275
2015-07-01	39.5161290322581
2015-08-01	40.5492730210016
2015-09-01	41.0628019323672
2015-10-01	41.5458937198068
2015-11-01	41.3183279742765
2015-12-01	39.7106109324759
2016-01-01	38.3627608346709
2016-02-01	38.9694041867955
2016-03-01	39.3890675241158
2016-04-01	43.0868167202572
2016-05-01	43.6597110754414
2016-06-01	44.3910256410256
2016-07-01	41.9871794871795
2016-08-01	41.6398713826367
2016-09-01	41.9614147909968
2016-10-01	43.5897435897436
2016-11-01	41.8269230769231
2016-12-01	42.4679487179487
2017-01-01	40.8945686900958
2017-02-01	38.9776357827476
2017-03-01	39.5534290271132
2017-04-01	43.3811802232855
2017-05-01	44.2675159235669
2017-06-01	44.5859872611465
2017-07-01	43.5612082670906
2017-08-01	42.2647527910686
2017-09-01	41.8789808917198
2017-10-01	41.6534181240064
2017-11-01	41.2420382165605
2017-12-01	42.8343949044586
2018-01-01	43.1528662420382
2018-02-01	41.2420382165605
2018-03-01	41.4012738853503
2018-04-01	44.8330683624801
2018-05-01	47.0588235294118
2018-06-01	47.5435816164818
2018-07-01	46.1904761904762
2018-08-01	45.7735247208931
2018-09-01	44.9920508744038