Month	Percent
1968-01-01	48.2447342026078
1968-02-01	47.2891566265060
1968-03-01	51.3567839195980
1968-04-01	55.1758793969849
1968-05-01	56.5829145728643
1968-06-01	54.8192771084337
1968-07-01	54.4176706827309
1968-08-01	55.3319919517103
1968-09-01	53.2729103726083
1968-10-01	52.0161290322581
1968-11-01	51.1604439959637
1968-12-01	49.7477295660949
1969-01-01	48.2793522267206
1969-02-01	46.7071935157042
1969-03-01	51.1651469098278
1969-04-01	53.6585365853659
1969-05-01	55.1373346897253
1969-06-01	54.0183112919634
1969-07-01	54.1751527494908
1969-08-01	54.5361875637105
1969-09-01	53.5641547861507
1969-10-01	52.2403258655804
1969-11-01	50.6625891946993
1969-12-01	49.1853360488798
1970-01-01	47.5560081466395
1970-02-01	48.6238532110092
1970-03-01	52.5458248472505
1970-04-01	53.8696537678208
1970-05-01	54.4806517311609
1970-06-01	54.5731707317073
1970-07-01	54.7304170905392
1970-08-01	54.1116751269036
1970-09-01	53.6980749746707
1970-10-01	52.3809523809524
1970-11-01	51.7730496453901
1970-12-01	51.8705763397371
1971-01-01	49.2431886982846
1971-02-01	48.4359233097881
1971-03-01	53.7223340040241
1971-04-01	55.1758793969849
1971-05-01	54.0621865596790
1971-06-01	54.2713567839196
1971-07-01	54.0703517587940
1971-08-01	52.6686807653575
1971-09-01	51.6649848637740
1971-10-01	51.0121457489879
1971-11-01	49.7971602434077
1971-12-01	48.5772357723577
1972-01-01	48.0572597137014
1972-02-01	48.3402489626556
1972-03-01	50.7820646506778
1972-04-01	50.9947643979058
1972-05-01	51.2578616352201
1972-06-01	50.3688092729189
1972-07-01	50.4192872117400
1972-08-01	50.1577287066246
1972-09-01	49.2080253431890
1972-10-01	49.3710691823899
1972-11-01	49.5258166491043
1972-12-01	48.7315010570825
1973-01-01	48.4042553191489
1973-02-01	47.5935828877005
1973-03-01	49.7314715359828
1973-04-01	50.2696871628910
1973-05-01	49.5124593716143
1973-06-01	51.0869565217391
1973-07-01	50.5458515283843
1973-08-01	48.5245901639344
1973-09-01	50.1096491228070
1973-10-01	50.1101321585903
1973-11-01	48.2834994462901
1973-12-01	46.2305986696231
1974-01-01	43.3035714285714
1974-02-01	43.5123042505593
1974-03-01	45.6692913385827
1974-04-01	47.6836158192090
1974-05-01	48.6976217440544
1974-06-01	47.2789115646258
1974-07-01	46.2857142857143
1974-08-01	46.2242562929062
1974-09-01	47.5806451612903
1974-10-01	47.3988439306358
1974-11-01	45.4016298020955
1974-12-01	43.9766081871345
1975-01-01	42.3887587822014
1975-02-01	41.9506462984724
1975-03-01	44.1037735849057
1975-04-01	46.0448642266824
1975-05-01	47.0449172576832
1975-06-01	46.0900473933649
1975-07-01	45.5847255369928
1975-08-01	45.4653937947494
1975-09-01	45.0956937799043
1975-10-01	44.2446043165468
1975-11-01	42.6506024096386
1975-12-01	43.7198067632850
1976-01-01	41.5757575757576
1976-02-01	40.4384896467722
1976-03-01	43.9560439560440
1976-04-01	44.9877750611247
1976-05-01	44.3084455324357
1976-06-01	42.5245098039216
1976-07-01	44.7724477244772
1976-08-01	44.0886699507389
1976-09-01	43.0332922318126
1976-10-01	42.7160493827160
1976-11-01	42.3267326732673
1976-12-01	42.4844720496894
1977-01-01	40.8468244084682
1977-02-01	40.6991260923845
1977-03-01	42.4280350438048
1977-04-01	46.2986198243413
1977-05-01	45.7861635220126
1977-06-01	44.4025157232704
1977-07-01	45.6494325346784
1977-08-01	44.1361916771753
1977-09-01	42.8571428571429
1977-10-01	42.3514538558786
1977-11-01	42.6042983565107
1977-12-01	43.4010152284264
1978-01-01	40.5303030303030
1978-02-01	40.0252525252525
1978-03-01	42.0986093552465
1978-04-01	44.6835443037975
1978-05-01	45.1327433628318
1978-06-01	45.5696202531646
1978-07-01	45.4430379746835
1978-08-01	44.8669201520913
1978-09-01	43.1472081218274
1978-10-01	42.5855513307985
1978-11-01	41.9518377693283
1978-12-01	42.1855146124524
1979-01-01	40.5852417302799
1979-02-01	40.2547770700637
1979-03-01	41.6560509554140
1979-04-01	43.8931297709924
1979-05-01	44.5292620865140
1979-06-01	44.6564885496183
1979-07-01	44.4020356234097
1979-08-01	44.7837150127226
1979-09-01	44.5859872611465
1979-10-01	42.8208386277001
1979-11-01	41.8781725888325
1979-12-01	40.3041825095057
1980-01-01	38.8040712468193
1980-02-01	38.0891719745223
1980-03-01	39.9491094147583
1980-04-01	41.8043202033037
1980-05-01	44.2185514612452
1980-06-01	45.1204055766793
1980-07-01	46.0659898477157
1980-08-01	45.6384323640961
1980-09-01	44.6969696969697
1980-10-01	42.8571428571429
1980-11-01	42.1914357682620
1980-12-01	41.4357682619647
1981-01-01	39.7727272727273
1981-02-01	38.9100126742712
1981-03-01	40.6091370558376
1981-04-01	43.9644218551461
1981-05-01	44.3312101910828
1981-06-01	44.9681528662420
1981-07-01	44.6862996158771
1981-08-01	43.8058748403576
1981-09-01	42.5831202046036
1981-10-01	41.3043478260870
1981-11-01	41.2291933418694
1981-12-01	41.2820512820513
1982-01-01	39.2583120204604
1982-02-01	38.0102040816326
1982-03-01	39.6946564885496
1982-04-01	42.2588832487310
1982-05-01	43.2911392405063
1982-06-01	43.6156763590392
1982-07-01	43.7974683544304
1982-08-01	42.7135678391960
1982-09-01	41.7293233082707
1982-10-01	41.8022528160200
1982-11-01	42.1250000000000
1982-12-01	41.6978776529338
1983-01-01	39.0761548064919
1983-02-01	39.4506866416979
1983-03-01	42.0199501246883
1983-04-01	44.7073474470735
1983-05-01	44.7761194029851
1983-06-01	44.4720496894410
1983-07-01	44.4168734491315
1983-08-01	43.5643564356436
1983-09-01	42.3980222496910
1983-10-01	42.0468557336622
1983-11-01	42.1182266009852
1983-12-01	41.5536374845869
1984-01-01	38.9913899138991
1984-02-01	38.1011097410604
1984-03-01	40.0984009840098
1984-04-01	43.4889434889435
1984-05-01	43.9263803680982
1984-06-01	44.1320293398533
1984-07-01	44.4308445532436
1984-08-01	44.2002442002442
1984-09-01	43.6053593179050
1984-10-01	42.3357664233577
1984-11-01	41.5757575757576
1984-12-01	41.6464891041162
1985-01-01	40.7272727272727
1985-02-01	39.3939393939394
1985-03-01	40.4126213592233
1985-04-01	42.3216444981862
1985-05-01	42.2705314009662
1985-06-01	42.5301204819277
1985-07-01	42.9602888086643
1985-08-01	41.7964071856287
1985-09-01	41.2679425837321
1985-10-01	41.0501193317422
1985-11-01	41.2395709177592
1985-12-01	40.4052443384982
1986-01-01	40.6658739595719
1986-02-01	39.4299287410926
1986-03-01	40.7582938388626
1986-04-01	42.6035502958580
1986-05-01	42.2985781990521
1986-06-01	43.0260047281324
1986-07-01	43.9340400471142
1986-08-01	42.6729191090270
1986-09-01	41.4235705950992
1986-10-01	41.3271245634459
1986-11-01	40.9988385598142
1986-12-01	40.3019744483159
1987-01-01	38.8439306358382
1987-02-01	37.5434530706837
1987-03-01	39.3063583815029
1987-04-01	42.1478060046189
1987-05-01	43.1372549019608
1987-06-01	42.6436781609195
1987-07-01	41.7910447761194
1987-08-01	42.4485125858124
1987-09-01	41.8472063854048
1987-10-01	40.7029478458050
1987-11-01	41.2895927601810
1987-12-01	41.0633484162896
1988-01-01	39.2776523702032
1988-02-01	37.9818594104308
1988-03-01	39.4350282485876
1988-04-01	42.2297297297297
1988-05-01	43.1614349775785
1988-06-01	42.6651735722284
1988-07-01	42.8731762065095
1988-08-01	42.4581005586592
1988-09-01	41.6666666666667
1988-10-01	41.5094339622642
1988-11-01	41.2416851441242
1988-12-01	41.0398230088496
1989-01-01	39.4475138121547
1989-02-01	38.9135254988914
1989-03-01	40.4419889502762
1989-04-01	43.4399117971334
1989-05-01	44.4444444444444
1989-06-01	45.1648351648352
1989-07-01	44.5424476295480
1989-08-01	43.2017543859649
1989-09-01	42.2028353326063
1989-10-01	41.9847328244275
1989-11-01	42.1568627450980
1989-12-01	41.6122004357298
1990-01-01	39.2349726775956
1990-02-01	38.8157894736842
1990-03-01	41.9672131147541
1990-04-01	44.2265795206972
1990-05-01	45.0000000000000
1990-06-01	44.8425624321390
1990-07-01	44.6019629225736
1990-08-01	44.3355119825708
1990-09-01	43.6008676789588
1990-10-01	43.7093275488069
1990-11-01	43.9608269858542
1990-12-01	42.8726877040261
1991-01-01	40.3033586132178
1991-02-01	40.7608695652174
1991-03-01	41.5584415584416
1991-04-01	45.9227467811159
1991-05-01	47.0021413276231
1991-06-01	45.8823529411765
1991-07-01	45.5519828510182
1991-08-01	44.9893390191898
1991-09-01	43.7367303609342
1991-10-01	43.6903499469777
1991-11-01	44.0677966101695
1991-12-01	44.7983014861996
1992-01-01	41.7197452229299
1992-02-01	41.4712153518124
1992-03-01	43.3760683760684
1992-04-01	46.2446351931330
1992-05-01	48.1837606837607
1992-06-01	46.8516542155816
1992-07-01	45.5519828510182
1992-08-01	45.5614973262032
1992-09-01	44.2307692307692
1992-10-01	44.0170940170940
1992-11-01	44.0768409818570
1992-12-01	44.2184154175589
1993-01-01	41.6934619506967
1993-02-01	40.5812701829925
1993-03-01	42.0600858369099
1993-04-01	46.2446351931330
1993-05-01	46.0878885316184
1993-06-01	45.9807073954984
1993-07-01	46.0710441334769
1993-08-01	45.3763440860215
1993-09-01	44.5161290322581
1993-10-01	44.3010752688172
1993-11-01	44.4683136412460
1993-12-01	44.2411194833154
1994-01-01	41.4239482200647
1994-02-01	41.8023887079262
1994-03-01	43.8786565547129
1994-04-01	46.4208242950108
1994-05-01	46.1454940282302
1994-06-01	46.3123644251627
1994-07-01	45.7423580786026
1994-08-01	45.6427015250545
1994-09-01	44.8313384113166
1994-10-01	44.3355119825708
1994-11-01	44.7110141766630
1994-12-01	45.5737704918033
1995-01-01	42.5601750547046
1995-02-01	42.0704845814978
1995-03-01	43.6743674367437
1995-04-01	45.2643171806167
1995-05-01	45.8149779735683
1995-06-01	45.9757442116869
1995-07-01	45.8888888888889
1995-08-01	44.6666666666667
1995-09-01	44.2222222222222
1995-10-01	44.4444444444444
1995-11-01	44.5555555555556
1995-12-01	44.6547884187082
1996-01-01	41.6759776536313
1996-02-01	41.8918918918919
1996-03-01	43.6445444319460
1996-04-01	45.3318335208099
1996-05-01	46.2317210348706
1996-06-01	47.6351351351351
1996-07-01	47.0989761092150
1996-08-01	46.0750853242321
1996-09-01	44.7219069239501
1996-10-01	43.3447098976109
1996-11-01	43.7856328392246
1996-12-01	43.0205949656751
1997-01-01	41.7431192660550
1997-02-01	42.3787528868360
1997-03-01	42.7912341407151
1997-04-01	45.2133794694348
1997-05-01	45.6647398843931
1997-06-01	46.1805555555556
1997-07-01	46.4410735122520
1997-08-01	46.3157894736842
1997-09-01	45.5710955710956
1997-10-01	44.2757009345794
1997-11-01	44.0281030444965
1997-12-01	44.3008225616921
1998-01-01	43.2783018867925
1998-02-01	42.5178147268409
1998-03-01	42.8232502965599
1998-04-01	45.7345971563981
1998-05-01	46.1995249406176
1998-06-01	45.7142857142857
1998-07-01	46.0984393757503
1998-08-01	45.8483754512635
1998-09-01	43.5096153846154
1998-10-01	42.6506024096386
1998-11-01	43.5990338164251
1998-12-01	43.9467312348668
1999-01-01	41.7982989064399
1999-02-01	40.7588739290086
1999-03-01	42.1245421245421
1999-04-01	44.6210268948655
1999-05-01	46.0122699386503
1999-06-01	44.9631449631450
1999-07-01	44.3069306930693
1999-08-01	43.7422552664188
1999-09-01	42.1836228287841
1999-10-01	41.7910447761194
1999-11-01	41.7185554171856
1999-12-01	42.5187032418953
2000-01-01	41.1543287327478
2000-02-01	40.4040404040404
2000-03-01	42.1185372005044
2000-04-01	44.2622950819672
2000-05-01	44.1213653603034
2000-06-01	43.7420986093552
2000-07-01	44.5153061224490
2000-08-01	43.1673052362708
2000-09-01	43.1122448979592
2000-10-01	44.2455242966752
2000-11-01	43.0946291560102
2000-12-01	43.3333333333333
2001-01-01	41.1840411840412
2001-02-01	40.7263294422828
2001-03-01	42.1530479896239
2001-04-01	43.9119170984456
2001-05-01	44.2282749675746
2001-06-01	43.2467532467532
2001-07-01	43.5124508519004
2001-08-01	43.3070866141732
2001-09-01	41.4154652686763
2001-10-01	41.7871222076216
2001-11-01	42.3684210526316
2001-12-01	41.8421052631579
2002-01-01	39.9734395750332
2002-02-01	38.1016042780749
2002-03-01	39.1478029294274
2002-04-01	42.0212765957447
2002-05-01	42.4000000000000
2002-06-01	42.2459893048128
2002-07-01	42.3956931359354
2002-08-01	42.3751686909582
2002-09-01	41.3746630727763
2002-10-01	41.0256410256410
2002-11-01	41.1366711772666
2002-12-01	40.6504065040650
2003-01-01	38.5869565217391
2003-02-01	37.7564979480164
2003-03-01	38.4404924760602
2003-04-01	40.7103825136612
2003-05-01	41.5300546448087
2003-06-01	42.4657534246575
2003-07-01	42.9558011049724
2003-08-01	42.0470262793914
2003-09-01	41.3793103448276
2003-10-01	39.9723374827109
2003-11-01	40.5255878284924
2003-12-01	41.4701803051318
2004-01-01	38.4401114206128
2004-02-01	38.5694249649369
2004-03-01	39.2458100558659
2004-04-01	40.6424581005587
2004-05-01	41.8767507002801
2004-06-01	42.2752808988764
2004-07-01	42.5141242937853
2004-08-01	42.3512747875354
2004-09-01	41.9858156028369
2004-10-01	40.9090909090909
2004-11-01	40.3982930298720
2004-12-01	40.3708987161198
2005-01-01	39.3419170243204
2005-02-01	38.9928057553957
2005-03-01	40.5755395683453
2005-04-01	42.3850574712644
2005-05-01	44.1091954022988
2005-06-01	43.8040345821326
2005-07-01	42.8156748911466
2005-08-01	43.1686046511628
2005-09-01	41.9448476052250
2005-10-01	41.7151162790698
2005-11-01	41.1078717201166
2005-12-01	40.9620991253644
2006-01-01	40.3225806451613
2006-02-01	39.7643593519882
2006-03-01	40.5286343612335
2006-04-01	42.5000000000000
2006-05-01	43.5935198821797
2006-06-01	44.3952802359882
2006-07-01	44.8736998514116
2006-08-01	42.3248882265276
2006-09-01	40.9226190476190
2006-10-01	42.1130952380952
2006-11-01	42.4107142857143
2006-12-01	40.7462686567164
2007-01-01	38.7048192771084
2007-02-01	39.2749244712991
2007-03-01	40.7239819004525
2007-04-01	44.3438914027149
2007-05-01	43.7878787878788
2007-06-01	43.9577039274924
2007-07-01	43.3990895295903
2007-08-01	40.9436834094368
2007-09-01	40.0000000000000
2007-10-01	40.4580152671756
2007-11-01	41.1314984709480
2007-12-01	41.1314984709480
2008-01-01	40.1840490797546
2008-02-01	39.6923076923077
2008-03-01	40.9230769230769
2008-04-01	44.9074074074074
2008-05-01	44.4444444444444
2008-06-01	43.5857805255023
2008-07-01	40.7751937984496
2008-08-01	41.4330218068536
2008-09-01	40.9657320872274
2008-10-01	40.2496099843994
2008-11-01	41.0937500000000
2008-12-01	41.4062500000000
2009-01-01	39.6551724137931
2009-02-01	38.5220125786164
2009-03-01	37.9905808477237
2009-04-01	42.9245283018868
2009-05-01	43.2176656151420
2009-06-01	42.9022082018928
2009-07-01	42.0886075949367
2009-08-01	40.7936507936508
2009-09-01	40.6995230524642
2009-10-01	39.2686804451510
2009-11-01	41.5605095541401
2009-12-01	40.8293460925040
2010-01-01	38.8800000000000
2010-02-01	38.3627608346709
2010-03-01	38.1410256410256
2010-04-01	40.6752411575563
2010-05-01	40.9967845659164
2010-06-01	41.4790996784566
2010-07-01	40.5492730210016
2010-08-01	40.0324149108590
2010-09-01	40.0974025974026
2010-10-01	39.2857142857143
2010-11-01	41.3008130081301
2010-12-01	41.4355628058728
2011-01-01	39.4779771615008
2011-02-01	39.4435351882160
2011-03-01	39.0939597315436
2011-04-01	42.1140939597315
2011-05-01	42.9530201342282
2011-06-01	42.5210084033613
2011-07-01	41.1764705882353
2011-08-01	40.5772495755518
2011-09-01	39.6694214876033
2011-10-01	38.4488448844884
2011-11-01	39.2739273927393
2011-12-01	38.6776859504132
2012-01-01	35.7024793388430
2012-02-01	36.6500829187396
2012-03-01	35.9867330016584
2012-04-01	40.2985074626866
2012-05-01	39.5348837209302
2012-06-01	39.7009966777409
2012-07-01	40.8637873754153
2012-08-01	41.3333333333333
2012-09-01	39.8333333333333
2012-10-01	39.0651085141903
2012-11-01	39.2320534223706
2012-12-01	38.5642737896494
2013-01-01	37.8964941569282
2013-02-01	38.4228187919463
2013-03-01	38.1909547738693
2013-04-01	42.0435510887772
2013-05-01	41.7785234899329
2013-06-01	41.0385259631491
2013-07-01	41.5410385259631
2013-08-01	41.1467116357504
2013-09-01	41.2751677852349
2013-10-01	41.0084033613445
2013-11-01	40.9090909090909
2013-12-01	41.4141414141414
2014-01-01	38.2154882154882
2014-02-01	39.1891891891892
2014-03-01	39.5270270270270
2014-04-01	41.8212478920742
2014-05-01	42.2558922558923
2014-06-01	42.2297297297297
2014-07-01	42.3271500843170
2014-08-01	41.2859560067682
2014-09-01	41.2859560067682
2014-10-01	40.1015228426396
2014-11-01	40.1015228426396
2014-12-01	41.8644067796610
2015-01-01	38.0710659898477
2015-02-01	37.1186440677966
2015-03-01	37.4576271186441
2015-04-01	42.8087986463621
2015-05-01	42.3728813559322
2015-06-01	42.5675675675676
2015-07-01	41.6949152542373
2015-08-01	40.8163265306122
2015-09-01	41.1864406779661
2015-10-01	40.6779661016949
2015-11-01	41.3559322033898
2015-12-01	42.1319796954315
2016-01-01	42.0338983050847
2016-02-01	40.2376910016978
2016-03-01	39.6610169491525
2016-04-01	43.2203389830508
2016-05-01	42.1319796954315
2016-06-01	43.5810810810811
2016-07-01	43.9932318104907
2016-08-01	44.0677966101695
2016-09-01	43.9932318104907
2016-10-01	43.3164128595601
2016-11-01	42.2033898305085
2016-12-01	42.5423728813559
2017-01-01	42.1585160202361
2017-02-01	40.8783783783784
2017-03-01	39.3581081081081
2017-04-01	43.5075885328836
2017-05-01	43.2659932659933
2017-06-01	44.6880269814502
2017-07-01	45.1939291736931
2017-08-01	44.7635135135135
2017-09-01	44.1077441077441
2017-10-01	43.6762225969646
2017-11-01	42.0875420875421
2017-12-01	42.4957841483980
2018-01-01	44.0134907251265
2018-02-01	44.7635135135135
2018-03-01	45.6998313659359
2018-04-01	47.1380471380471
2018-05-01	47.3063973063973
2018-06-01	48.2352941176471
2018-07-01	48.9075630252101
2018-08-01	47.9729729729730
2018-09-01	46.5430016863406