Month	Percent
1968-01-01	38.6138613861386
1968-02-01	38.0246913580247
1968-03-01	42.9975429975430
1968-04-01	46.3235294117647
1968-05-01	47.7941176470588
1968-06-01	47.9217603911980
1968-07-01	47.8048780487805
1968-08-01	48.9051094890511
1968-09-01	48.0582524271845
1968-10-01	46.4891041162228
1968-11-01	45.4106280193237
1968-12-01	42.2705314009662
1969-01-01	39.5683453237410
1969-02-01	40.4306220095694
1969-03-01	43.3333333333333
1969-04-01	46.5558194774347
1969-05-01	48.8151658767772
1969-06-01	47.9905437352246
1969-07-01	46.8085106382979
1969-08-01	46.6981132075472
1969-09-01	47.4178403755869
1969-10-01	47.0725995316159
1969-11-01	43.5597189695550
1969-12-01	40.1869158878505
1970-01-01	39.5348837209302
1970-02-01	40.3712296983759
1970-03-01	42.1296296296296
1970-04-01	45.1612903225806
1970-05-01	47.0046082949309
1970-06-01	49.1954022988506
1970-07-01	48.1651376146789
1970-08-01	45.5377574370709
1970-09-01	47.0319634703196
1970-10-01	45.5580865603645
1970-11-01	42.8571428571429
1970-12-01	40.3628117913832
1971-01-01	39.3665158371041
1971-02-01	38.9639639639640
1971-03-01	41.6107382550336
1971-04-01	45.1901565995526
1971-05-01	47.7678571428571
1971-06-01	49.1111111111111
1971-07-01	47.5555555555556
1971-08-01	46.3414634146342
1971-09-01	47.9028697571744
1971-10-01	49.2273730684327
1971-11-01	45.4746136865342
1971-12-01	40.5286343612335
1972-01-01	38.6813186813187
1972-02-01	37.8854625550661
1972-03-01	41.0087719298246
1972-04-01	44.8577680525164
1972-05-01	46.2882096069869
1972-06-01	45.1754385964912
1972-07-01	46.2039045553145
1972-08-01	46.1038961038961
1972-09-01	45.4545454545455
1972-10-01	46.7672413793103
1972-11-01	43.4408602150538
1972-12-01	41.5053763440860
1973-01-01	41.4163090128755
1973-02-01	40.5982905982906
1973-03-01	42.6439232409382
1973-04-01	44.8936170212766
1973-05-01	44.5859872611465
1973-06-01	46.1864406779661
1973-07-01	46.8220338983051
1973-08-01	45.5508474576271
1973-09-01	45.4545454545455
1973-10-01	47.9915433403806
1973-11-01	46.0887949260042
1973-12-01	42.1940928270042
1974-01-01	40.0000000000000
1974-02-01	40.4210526315789
1974-03-01	42.1052631578947
1974-04-01	45.1680672268908
1974-05-01	45.7983193277311
1974-06-01	46.2184873949580
1974-07-01	46.0084033613445
1974-08-01	45.0733752620545
1974-09-01	45.0939457202505
1974-10-01	45.7202505219207
1974-11-01	42.2916666666667
1974-12-01	40.7484407484408
1975-01-01	39.2561983471074
1975-02-01	38.9690721649484
1975-03-01	41.6837782340862
1975-04-01	44.1478439425051
1975-05-01	46.5163934426230
1975-06-01	46.2167689161554
1975-07-01	47.1428571428571
1975-08-01	46.4358452138493
1975-09-01	45.1219512195122
1975-10-01	44.8275862068966
1975-11-01	42.8282828282828
1975-12-01	40.5241935483871
1976-01-01	39.6378269617706
1976-02-01	39.0342052313883
1976-03-01	41.8511066398390
1976-04-01	45.0000000000000
1976-05-01	46.3073852295409
1976-06-01	45.7085828343313
1976-07-01	46.6135458167331
1976-08-01	46.8127490039841
1976-09-01	47.4206349206349
1976-10-01	45.9405940594059
1976-11-01	43.5643564356436
1976-12-01	41.8972332015810
1977-01-01	39.5669291338583
1977-02-01	39.3700787401575
1977-03-01	41.4062500000000
1977-04-01	44.3359375000000
1977-05-01	46.7836257309942
1977-06-01	47.1734892787524
1977-07-01	46.4077669902913
1977-08-01	47.1953578336557
1977-09-01	47.5822050290135
1977-10-01	45.9459459459459
1977-11-01	45.0867052023121
1977-12-01	43.8461538461538
1978-01-01	40.8045977011494
1978-02-01	40.5353728489484
1978-03-01	42.7480916030534
1978-04-01	45.3333333333333
1978-05-01	48.4790874524715
1978-06-01	48.5768500948767
1978-07-01	46.5909090909091
1978-08-01	47.8260869565217
1978-09-01	48.4905660377358
1978-10-01	46.7043314500942
1978-11-01	45.6766917293233
1978-12-01	43.6090225563910
1979-01-01	41.7602996254682
1979-02-01	41.1214953271028
1979-03-01	43.1226765799256
1979-04-01	45.9107806691450
1979-05-01	48.2374768089054
1979-06-01	48.3333333333333
1979-07-01	47.8743068391867
1979-08-01	48.0591497227357
1979-09-01	47.2324723247232
1979-10-01	47.0588235294118
1979-11-01	45.1376146788991
1979-12-01	43.0402930402930
1980-01-01	40.5454545454545
1980-02-01	40.9090909090909
1980-03-01	44.1229656419530
1980-04-01	47.7477477477477
1980-05-01	47.7477477477477
1980-06-01	48.7410071942446
1980-07-01	48.7455197132616
1980-08-01	48.3005366726297
1980-09-01	47.3214285714286
1980-10-01	45.9074733096085
1980-11-01	44.2273534635879
1980-12-01	41.9469026548673
1981-01-01	40.3880070546737
1981-02-01	40.4217926186292
1981-03-01	42.0315236427320
1981-04-01	46.0732984293194
1981-05-01	46.9565217391304
1981-06-01	47.3958333333333
1981-07-01	46.7128027681661
1981-08-01	47.1502590673575
1981-09-01	46.9775474956822
1981-10-01	46.1273666092943
1981-11-01	44.8453608247423
1981-12-01	42.8816466552316
1982-01-01	40.3061224489796
1982-02-01	41.3559322033898
1982-03-01	44.0878378378378
1982-04-01	46.2057335581788
1982-05-01	48.5714285714286
1982-06-01	47.8187919463087
1982-07-01	46.9798657718121
1982-08-01	46.9899665551840
1982-09-01	45.5759599332220
1982-10-01	45.7570715474210
1982-11-01	44.8504983388704
1982-12-01	43.0463576158940
1983-01-01	42.2442244224422
1983-02-01	43.3497536945813
1983-03-01	44.5171849427169
1983-04-01	46.0784313725490
1983-05-01	48.3713355048860
1983-06-01	48.7012987012987
1983-07-01	47.9740680713128
1983-08-01	47.7419354838710
1983-09-01	48.6312399355878
1983-10-01	47.7564102564103
1983-11-01	46.1661341853035
1983-12-01	43.3811802232855
1984-01-01	40.4120443740095
1984-02-01	41.5481832543444
1984-03-01	44.2519685039370
1984-04-01	46.5408805031447
1984-05-01	47.0219435736677
1984-06-01	47.8125000000000
1984-07-01	46.8018720748830
1984-08-01	46.1897356143079
1984-09-01	47.0588235294118
1984-10-01	47.1317829457364
1984-11-01	44.8916408668731
1984-12-01	42.1947449768161
1985-01-01	41.1402157164869
1985-02-01	41.7818740399386
1985-03-01	44.3251533742331
1985-04-01	47.2392638036810
1985-05-01	48.4709480122324
1985-06-01	48.3180428134557
1985-07-01	47.1755725190840
1985-08-01	46.9512195121951
1985-09-01	47.1927162367223
1985-10-01	46.5857359635812
1985-11-01	44.0242057488654
1985-12-01	42.2087745839637
1986-01-01	40.8748114630468
1986-02-01	40.7796101949025
1986-03-01	43.0493273542601
1986-04-01	44.7916666666667
1986-05-01	45.8333333333333
1986-06-01	47.5482912332838
1986-07-01	46.8148148148148
1986-08-01	45.9379615952733
1986-09-01	47.1281296023564
1986-10-01	47.1281296023564
1986-11-01	44.6402349486050
1986-12-01	43.3186490455213
1987-01-01	41.7276720351391
1987-02-01	41.8128654970760
1987-03-01	42.9403202328966
1987-04-01	44.6220930232558
1987-05-01	47.1014492753623
1987-06-01	47.3988439306358
1987-07-01	46.3203463203463
1987-08-01	46.1870503597122
1987-09-01	47.1942446043165
1987-10-01	47.4212034383954
1987-11-01	45.5064194008559
1987-12-01	43.9372325249643
1988-01-01	43.1205673758865
1988-02-01	41.9263456090652
1988-03-01	44.1301272984441
1988-04-01	45.9039548022599
1988-05-01	46.9014084507042
1988-06-01	46.9014084507042
1988-07-01	46.3380281690141
1988-08-01	46.4887640449438
1988-09-01	47.6190476190476
1988-10-01	46.9930069930070
1988-11-01	44.4134078212290
1988-12-01	43.4357541899441
1989-01-01	42.9567642956764
1989-02-01	42.6981919332406
1989-03-01	45.0000000000000
1989-04-01	46.9529085872576
1989-05-01	47.5138121546961
1989-06-01	47.3829201101928
1989-07-01	47.3177441540578
1989-08-01	47.3177441540578
1989-09-01	47.6648351648352
1989-10-01	47.1879286694102
1989-11-01	46.3013698630137
1989-12-01	45.4046639231824
1990-01-01	43.1693989071038
1990-02-01	43.7329700272480
1990-03-01	46.2585034013605
1990-04-01	48.5054347826087
1990-05-01	49.1180461329715
1990-06-01	48.9159891598916
1990-07-01	50.0676589986468
1990-08-01	48.7837837837838
1990-09-01	47.9784366576819
1990-10-01	47.9838709677419
1990-11-01	47.0509383378016
1990-12-01	46.2466487935657
1991-01-01	45.4666666666667
1991-02-01	44.9468085106383
1991-03-01	47.2074468085106
1991-04-01	49.4007989347537
1991-05-01	49.6010638297872
1991-06-01	50.8632138114210
1991-07-01	51.1258278145695
1991-08-01	50.9933774834437
1991-09-01	50.0660501981506
1991-10-01	49.3403693931398
1991-11-01	48.0845442536328
1991-12-01	47.0277410832232
1992-01-01	46.2549277266754
1992-02-01	47.1128608923885
1992-03-01	47.5753604193971
1992-04-01	47.5816993464052
1992-05-01	48.4334203655352
1992-06-01	50.5867014341591
1992-07-01	49.8697916666667
1992-08-01	50.0650195058518
1992-09-01	50.1945525291829
1992-10-01	49.0932642487047
1992-11-01	48.7710219922380
1992-12-01	47.9328165374677
1993-01-01	46.0746460746461
1993-02-01	46.9151670951157
1993-03-01	48.3290488431877
1993-04-01	48.5237483953787
1993-05-01	50.4492939666239
1993-06-01	50.7060333761232
1993-07-01	50.3209242618742
1993-08-01	50.0641848523748
1993-09-01	49.4223363286264
1993-10-01	48.7804878048780
1993-11-01	47.6863753213368
1993-12-01	47.4903474903475
1994-01-01	46.7948717948718
1994-02-01	45.6996148908858
1994-03-01	47.1722365038560
1994-04-01	49.1634491634492
1994-05-01	49.3573264781491
1994-06-01	49.8069498069498
1994-07-01	49.5495495495495
1994-08-01	49.7429305912596
1994-09-01	48.2670089858793
1994-10-01	47.4358974358974
1994-11-01	47.3751600512164
1994-12-01	47.5641025641026
1995-01-01	46.7432950191571
1995-02-01	45.7215836526181
1995-03-01	48.1481481481481
1995-04-01	50.2551020408163
1995-05-01	49.9363057324841
1995-06-01	49.6183206106870
1995-07-01	49.3011435832274
1995-08-01	49.4923857868020
1995-09-01	50.3168567807351
1995-10-01	48.6075949367089
1995-11-01	47.7876106194690
1995-12-01	47.2819216182048
1996-01-01	46.2216624685139
1996-02-01	44.9622166246851
1996-03-01	46.5994962216625
1996-04-01	48.8050314465409
1996-05-01	49.7487437185930
1996-06-01	50.5646173149310
1996-07-01	50.5632040050063
1996-08-01	50.0624219725343
1996-09-01	50.2493765586035
1996-10-01	49.7512437810945
1996-11-01	49.3811881188119
1996-12-01	48.0198019801980
1997-01-01	46.9287469287469
1997-02-01	46.9938650306748
1997-03-01	47.9754601226994
1997-04-01	49.1421568627451
1997-05-01	50.3676470588235
1997-06-01	50.7955936352509
1997-07-01	51.5262515262515
1997-08-01	51.1599511599512
1997-09-01	49.8172959805116
1997-10-01	51.0948905109489
1997-11-01	50.0000000000000
1997-12-01	48.2968369829684
1998-01-01	48.1166464155529
1998-02-01	47.5728155339806
1998-03-01	48.7864077669903
1998-04-01	49.8181818181818
1998-05-01	51.3349514563107
1998-06-01	50.7878787878788
1998-07-01	51.2077294685990
1998-08-01	51.6245487364621
1998-09-01	51.2635379061372
1998-10-01	51.1404561824730
1998-11-01	49.2215568862275
1998-12-01	48.1437125748503
1999-01-01	47.7897252090800
1999-02-01	47.9141835518474
1999-03-01	49.1060786650775
1999-04-01	50.2972651605232
1999-05-01	51.4251781472684
1999-06-01	50.7710557532622
1999-07-01	51.0638297872340
1999-08-01	51.4184397163121
1999-09-01	51.3577331759150
1999-10-01	50.5896226415094
1999-11-01	49.6462264150943
1999-12-01	48.7028301886792
2000-01-01	48.4023668639053
2000-02-01	48.2227488151659
2000-03-01	48.2799525504152
2000-04-01	49.7630331753554
2000-05-01	50.5338078291815
2000-06-01	50.5338078291815
2000-07-01	50.0593119810202
2000-08-01	50.5938242280285
2000-09-01	51.2485136741974
2000-10-01	51.3095238095238
2000-11-01	49.7013142174432
2000-12-01	47.7897252090800
2001-01-01	48.0144404332130
2001-02-01	48.7334137515078
2001-03-01	48.9104116222760
2001-04-01	49.1504854368932
2001-05-01	49.4532199270960
2001-06-01	49.6359223300971
2001-07-01	49.9393939393939
2001-08-01	49.3349455864571
2001-09-01	49.5169082125604
2001-10-01	50.0601684717208
2001-11-01	49.2196878751501
2001-12-01	47.3053892215569
2002-01-01	47.9141835518474
2002-02-01	48.5101311084624
2002-03-01	48.5714285714286
2002-04-01	47.4435196195006
2002-05-01	48.4597156398104
2002-06-01	50.7092198581560
2002-07-01	50.5868544600939
2002-08-01	49.5906432748538
2002-09-01	49.2415402567094
2002-10-01	49.4773519163763
2002-11-01	48.8372093023256
2002-12-01	47.9118329466357
2003-01-01	48.1524249422633
2003-02-01	48.4464902186421
2003-03-01	49.5412844036697
2003-04-01	49.3135011441648
2003-05-01	48.6332574031891
2003-06-01	50.2267573696145
2003-07-01	49.8871331828442
2003-08-01	49.6062992125984
2003-09-01	50.5050505050505
2003-10-01	50.5580357142857
2003-11-01	49.7219132369299
2003-12-01	49.0022172949002
2004-01-01	48.2339955849890
2004-02-01	48.5148514851485
2004-03-01	49.7811816192560
2004-04-01	51.0359869138495
2004-05-01	50.0542888165038
2004-06-01	50.2169197396963
2004-07-01	50.9719222462203
2004-08-01	50.9677419354839
2004-09-01	51.1254019292604
2004-10-01	51.1205976520811
2004-11-01	49.9467518636848
2004-12-01	50.0000000000000
2005-01-01	50.5832449628844
2005-02-01	49.5238095238095
2005-03-01	49.2063492063492
2005-04-01	50.6863780359028
2005-05-01	51.3713080168776
2005-06-01	51.1064278187566
2005-07-01	51.5247108307045
2005-08-01	51.7819706498952
2005-09-01	52.0964360587002
2005-10-01	50.9414225941423
2005-11-01	50.5747126436782
2005-12-01	50.4702194357367
2006-01-01	50.2612330198537
2006-02-01	50.3649635036496
2006-03-01	50.0521376433785
2006-04-01	50.4692387904067
2006-05-01	52.2419186652763
2006-06-01	52.2916666666667
2006-07-01	51.2500000000000
2006-08-01	51.8210197710718
2006-09-01	52.7083333333333
2006-10-01	52.0333680917623
2006-11-01	52.5052192066806
2006-12-01	52.0376175548589
2007-01-01	51.3007284079084
2007-02-01	51.3513513513514
2007-03-01	51.5088449531738
2007-04-01	51.2474012474012
2007-05-01	52.7027027027027
2007-06-01	53.3748701973001
2007-07-01	52.9106029106029
2007-08-01	53.6382536382536
2007-09-01	53.1671858774662
2007-10-01	53.1737773152966
2007-11-01	53.5900104058273
2007-12-01	52.9106029106029
2008-01-01	52.1829521829522
2008-02-01	51.3007284079084
2008-03-01	52.5547445255474
2008-04-01	53.4932221063608
2008-05-01	54.2231491136601
2008-06-01	54.6402502606882
2008-07-01	53.8541666666667
2008-08-01	53.7017726798749
2008-09-01	54.1274817136886
2008-10-01	53.1937172774869
2008-11-01	53.0398322851153
2008-12-01	52.5654450261780
2009-01-01	52.7865404837014
2009-02-01	52.8421052631579
2009-03-01	52.9535864978903
2009-04-01	53.4883720930233
2009-05-01	54.0740740740741
2009-06-01	54.0254237288136
2009-07-01	53.9682539682540
2009-08-01	54.3915343915344
2009-09-01	54.7669491525424
2009-10-01	53.2838983050848
2009-11-01	53.4957627118644
2009-12-01	53.5524920466596
2010-01-01	53.5940803382664
2010-02-01	53.4957627118644
2010-03-01	53.1712473572939
2010-04-01	53.6997885835095
2010-05-01	54.0654699049630
2010-06-01	53.8542766631468
2010-07-01	54.0084388185654
2010-08-01	54.7945205479452
2010-09-01	55.5321390937829
2010-10-01	54.7945205479452
2010-11-01	53.8947368421053
2010-12-01	53.6764705882353
2011-01-01	53.8219895287958
2011-02-01	53.8702928870293
2011-03-01	54.6424759871932
2011-04-01	54.8455804046858
2011-05-01	55.2127659574468
2011-06-01	55.1172707889126
2011-07-01	54.6325878594249
2011-08-01	54.7491995731057
2011-09-01	53.6610878661088
2011-10-01	54.0880503144654
2011-11-01	54.4689800210305
2011-12-01	54.1535226077813
2012-01-01	53.4174553101998
2012-02-01	54.4303797468354
2012-03-01	54.4973544973545
2012-04-01	53.6093418259023
2012-05-01	54.2643923240938
2012-06-01	53.6898395721925
2012-07-01	53.8626609442060
2012-08-01	54.2518837459634
2012-09-01	53.5714285714286
2012-10-01	53.8126361655773
2012-11-01	55.2401746724891
2012-12-01	54.5454545454545
2013-01-01	54.8458149779736
2013-02-01	55.7032115171650
2013-03-01	56.0000000000000
2013-04-01	55.0724637681159
2013-05-01	55.0448430493274
2013-06-01	55.0561797752809
2013-07-01	55.2927927927928
2013-08-01	56.5462753950339
2013-09-01	56.2853907134768
2013-10-01	56.9965870307167
2013-11-01	57.7625570776256
2013-12-01	55.5428571428571
2014-01-01	56.2211981566820
2014-02-01	56.4161849710983
2014-03-01	56.7944250871080
2014-04-01	57.0430733410943
2014-05-01	57.5438596491228
2014-06-01	58.5480093676815
2014-07-01	57.5793184488837
2014-08-01	57.5471698113208
2014-09-01	57.9881656804734
2014-10-01	58.2639714625446
2014-11-01	58.5918854415274
2014-12-01	57.6738609112710
2015-01-01	58.3132530120482
2015-02-01	59.1073582629674
2015-03-01	58.7878787878788
2015-04-01	58.6165048543689
2015-05-01	58.4652862362972
2015-06-01	59.1463414634146
2015-07-01	59.5354523227384
2015-08-01	59.6319018404908
2015-09-01	60.6879606879607
2015-10-01	60.0985221674877
2015-11-01	59.5797280593325
2015-12-01	60.4708798017348
2016-01-01	60.5721393034826
2016-02-01	60.1747815230961
2016-03-01	60.9022556390978
2016-04-01	60.4767879548306
2016-05-01	60.0502512562814
2016-06-01	60.3773584905660
2016-07-01	60.2774274905422
2016-08-01	62.1212121212121
2016-09-01	62.9582806573957
2016-10-01	61.8987341772152
2016-11-01	61.2167300380228
2016-12-01	61.9592875318066
2017-01-01	62.8025477707006
2017-02-01	62.3243933588761
2017-03-01	62.2762148337596
2017-04-01	62.1794871794872
2017-05-01	63.3333333333333
2017-06-01	63.1105398457584
2017-07-01	62.9820051413882
2017-08-01	64.4787644787645
2017-09-01	65.2061855670103
2017-10-01	63.8709677419355
2017-11-01	63.9534883720930
2017-12-01	63.9534883720930
2018-01-01	64.8963730569948
2018-02-01	64.9350649350649
2018-03-01	65.1495448634590
2018-04-01	65.3246753246753
2018-05-01	65.4096228868661
2018-06-01	64.7594278283485
2018-07-01	65.2343750000000
2018-08-01	66.6666666666667
2018-09-01	67.3177083333333