Month	Percent
1968-01-01	38.3663366336634
1968-02-01	38.0246913580247
1968-03-01	42.7518427518428
1968-04-01	46.0784313725490
1968-05-01	47.5490196078431
1968-06-01	47.6772616136919
1968-07-01	47.5609756097561
1968-08-01	48.6618004866180
1968-09-01	47.8155339805825
1968-10-01	46.2469733656174
1968-11-01	45.1690821256039
1968-12-01	42.2705314009662
1969-01-01	39.3285371702638
1969-02-01	39.9521531100478
1969-03-01	43.0952380952381
1969-04-01	46.3182897862233
1969-05-01	48.5781990521327
1969-06-01	47.7541371158392
1969-07-01	46.8085106382979
1969-08-01	46.4622641509434
1969-09-01	47.1830985915493
1969-10-01	46.6042154566745
1969-11-01	43.5597189695550
1969-12-01	39.9532710280374
1970-01-01	39.3023255813954
1970-02-01	40.3712296983759
1970-03-01	41.8981481481481
1970-04-01	44.9308755760369
1970-05-01	47.0046082949309
1970-06-01	49.1954022988506
1970-07-01	47.9357798165138
1970-08-01	45.3089244851259
1970-09-01	46.8036529680365
1970-10-01	45.5580865603645
1970-11-01	42.6303854875283
1970-12-01	40.1360544217687
1971-01-01	39.1402714932127
1971-02-01	38.7387387387387
1971-03-01	41.3870246085011
1971-04-01	44.9664429530201
1971-05-01	47.7678571428571
1971-06-01	48.6666666666667
1971-07-01	47.3333333333333
1971-08-01	46.1197339246120
1971-09-01	47.6821192052980
1971-10-01	49.0066225165563
1971-11-01	45.0331125827815
1971-12-01	40.0881057268722
1972-01-01	38.4615384615385
1972-02-01	37.6651982378855
1972-03-01	39.9122807017544
1972-04-01	43.5448577680525
1972-05-01	45.8515283842795
1972-06-01	44.9561403508772
1972-07-01	45.9869848156182
1972-08-01	46.1038961038961
1972-09-01	45.2380952380952
1972-10-01	46.7672413793103
1972-11-01	43.2258064516129
1972-12-01	41.2903225806452
1973-01-01	40.9871244635193
1973-02-01	40.1709401709402
1973-03-01	42.2174840085288
1973-04-01	44.4680851063830
1973-05-01	44.1613588110403
1973-06-01	45.5508474576271
1973-07-01	46.3983050847458
1973-08-01	45.1271186440678
1973-09-01	45.0317124735729
1973-10-01	47.5687103594080
1973-11-01	45.4545454545455
1973-12-01	41.5611814345992
1974-01-01	39.5789473684211
1974-02-01	40.0000000000000
1974-03-01	41.6842105263158
1974-04-01	44.7478991596639
1974-05-01	45.3781512605042
1974-06-01	45.7983193277311
1974-07-01	45.5882352941176
1974-08-01	44.4444444444444
1974-09-01	44.6764091858038
1974-10-01	45.3027139874739
1974-11-01	41.8750000000000
1974-12-01	40.1247401247401
1975-01-01	38.6363636363636
1975-02-01	38.3505154639175
1975-03-01	40.6570841889117
1975-04-01	43.3264887063655
1975-05-01	45.9016393442623
1975-06-01	46.0122699386503
1975-07-01	46.7346938775510
1975-08-01	46.0285132382892
1975-09-01	44.9186991869919
1975-10-01	44.4219066937120
1975-11-01	42.2222222222222
1975-12-01	39.9193548387097
1976-01-01	39.0342052313883
1976-02-01	38.4305835010060
1976-03-01	41.6498993963783
1976-04-01	44.4000000000000
1976-05-01	45.9081836327345
1976-06-01	45.1097804391218
1976-07-01	46.0159362549801
1976-08-01	46.4143426294821
1976-09-01	47.0238095238095
1976-10-01	45.5445544554456
1976-11-01	43.3663366336634
1976-12-01	41.3043478260870
1977-01-01	39.1732283464567
1977-02-01	38.9763779527559
1977-03-01	40.8203125000000
1977-04-01	43.9453125000000
1977-05-01	46.1988304093567
1977-06-01	46.5886939571150
1977-07-01	46.0194174757282
1977-08-01	46.6150870406190
1977-09-01	47.1953578336557
1977-10-01	45.3667953667954
1977-11-01	44.7013487475915
1977-12-01	43.2692307692308
1978-01-01	40.0383141762452
1978-02-01	39.5793499043977
1978-03-01	41.7938931297710
1978-04-01	44.5714285714286
1978-05-01	47.9087452471483
1978-06-01	48.0075901328273
1978-07-01	46.2121212121212
1978-08-01	47.2589792060492
1978-09-01	48.1132075471698
1978-10-01	46.1393596986817
1978-11-01	45.1127819548872
1978-12-01	43.0451127819549
1979-01-01	41.0112359550562
1979-02-01	40.3738317757009
1979-03-01	42.5650557620818
1979-04-01	45.5390334572491
1979-05-01	47.6808905380334
1979-06-01	47.7777777777778
1979-07-01	47.1349353049908
1979-08-01	47.5046210720887
1979-09-01	46.6789667896679
1979-10-01	46.5073529411765
1979-11-01	44.7706422018349
1979-12-01	42.4908424908425
1980-01-01	40.0000000000000
1980-02-01	40.5454545454545
1980-03-01	43.2188065099458
1980-04-01	47.0270270270270
1980-05-01	47.0270270270270
1980-06-01	48.0215827338130
1980-07-01	48.2078853046595
1980-08-01	47.5849731663685
1980-09-01	46.7857142857143
1980-10-01	45.3736654804270
1980-11-01	43.6944937833037
1980-12-01	41.2389380530973
1981-01-01	39.6825396825397
1981-02-01	39.5430579964851
1981-03-01	41.5061295971979
1981-04-01	45.5497382198953
1981-05-01	46.0869565217391
1981-06-01	46.5277777777778
1981-07-01	45.8477508650519
1981-08-01	46.4594127806563
1981-09-01	46.4594127806563
1981-10-01	45.4388984509466
1981-11-01	44.3298969072165
1981-12-01	42.1955403087479
1982-01-01	39.6258503401361
1982-02-01	40.8474576271186
1982-03-01	43.2432432432432
1982-04-01	45.1939291736931
1982-05-01	47.7310924369748
1982-06-01	47.1476510067114
1982-07-01	46.4765100671141
1982-08-01	46.3210702341137
1982-09-01	45.0751252086811
1982-10-01	45.2579034941764
1982-11-01	44.1860465116279
1982-12-01	42.2185430463576
1983-01-01	41.2541254125413
1983-02-01	42.2003284072250
1983-03-01	43.6988543371522
1983-04-01	45.2614379084967
1983-05-01	47.8827361563518
1983-06-01	48.0519480519480
1983-07-01	47.0016207455430
1983-08-01	46.7741935483871
1983-09-01	47.6650563607085
1983-10-01	46.9551282051282
1983-11-01	45.0479233226837
1983-12-01	42.5837320574163
1984-01-01	39.6196513470682
1984-02-01	40.4423380726698
1984-03-01	43.1496062992126
1984-04-01	45.7547169811321
1984-05-01	46.2382445141066
1984-06-01	47.0312500000000
1984-07-01	46.1778471138846
1984-08-01	45.4121306376361
1984-09-01	46.1300309597523
1984-10-01	46.2015503875969
1984-11-01	43.8080495356037
1984-12-01	41.2673879443586
1985-01-01	40.3697996918336
1985-02-01	40.8602150537634
1985-03-01	43.2515337423313
1985-04-01	46.3190184049080
1985-05-01	47.7064220183486
1985-06-01	47.5535168195719
1985-07-01	46.4122137404580
1985-08-01	46.1890243902439
1985-09-01	46.4339908952959
1985-10-01	45.8270106221548
1985-11-01	43.1164901664145
1985-12-01	41.3010590015129
1986-01-01	39.9698340874811
1986-02-01	39.8800599700150
1986-03-01	41.8535127055306
1986-04-01	43.7500000000000
1986-05-01	45.0892857142857
1986-06-01	46.5081723625557
1986-07-01	45.7777777777778
1986-08-01	45.0516986706056
1986-09-01	46.0972017673049
1986-10-01	46.3917525773196
1986-11-01	43.6123348017621
1986-12-01	42.4375917767988
1987-01-01	40.7027818448023
1987-02-01	40.7894736842105
1987-03-01	41.9213973799127
1987-04-01	43.6046511627907
1987-05-01	46.0869565217391
1987-06-01	46.3872832369942
1987-07-01	45.4545454545455
1987-08-01	45.0359712230216
1987-09-01	46.3309352517986
1987-10-01	46.5616045845272
1987-11-01	44.6504992867332
1987-12-01	43.0813124108417
1988-01-01	41.9858156028369
1988-02-01	41.0764872521246
1988-03-01	43.1400282885431
1988-04-01	45.0564971751412
1988-05-01	45.9154929577465
1988-06-01	46.0563380281690
1988-07-01	45.3521126760563
1988-08-01	45.3651685393258
1988-09-01	46.7787114845938
1988-10-01	46.2937062937063
1988-11-01	43.5754189944134
1988-12-01	42.3184357541899
1989-01-01	41.9804741980474
1989-02-01	41.8636995827538
1989-03-01	44.0277777777778
1989-04-01	45.9833795013850
1989-05-01	46.6850828729282
1989-06-01	46.4187327823692
1989-07-01	46.2173314993122
1989-08-01	46.6299862448418
1989-09-01	47.2527472527472
1989-10-01	46.5020576131687
1989-11-01	45.6164383561644
1989-12-01	44.8559670781893
1990-01-01	42.3497267759563
1990-02-01	42.9155313351499
1990-03-01	45.5782312925170
1990-04-01	47.6902173913043
1990-05-01	48.4396200814111
1990-06-01	48.3739837398374
1990-07-01	49.3910690121786
1990-08-01	48.1081081081081
1990-09-01	47.3045822102426
1990-10-01	47.3118279569892
1990-11-01	46.2466487935657
1990-12-01	45.5764075067024
1991-01-01	44.8000000000000
1991-02-01	44.2819148936170
1991-03-01	46.4095744680851
1991-04-01	48.4687083888149
1991-05-01	48.9361702127660
1991-06-01	50.1992031872510
1991-07-01	50.4635761589404
1991-08-01	50.1986754966887
1991-09-01	49.4055482166447
1991-10-01	48.4168865435356
1991-11-01	47.2919418758256
1991-12-01	46.3672391017173
1992-01-01	45.4664914586071
1992-02-01	46.5879265091864
1992-03-01	46.7889908256881
1992-04-01	46.7973856209150
1992-05-01	47.6501305483029
1992-06-01	49.9348109517601
1992-07-01	49.2187500000000
1992-08-01	49.4148244473342
1992-09-01	49.4163424124514
1992-10-01	48.4455958549223
1992-11-01	48.1241914618370
1992-12-01	47.1576227390181
1993-01-01	45.1737451737452
1993-02-01	46.1439588688946
1993-03-01	47.5578406169666
1993-04-01	47.7535301668806
1993-05-01	49.6790757381258
1993-06-01	50.0641848523748
1993-07-01	49.5507060333761
1993-08-01	49.4223363286264
1993-09-01	48.6521181001284
1993-10-01	47.8818998716303
1993-11-01	46.9151670951157
1993-12-01	46.7181467181467
1994-01-01	45.7692307692308
1994-02-01	44.4159178433890
1994-03-01	46.1439588688946
1994-04-01	48.3912483912484
1994-05-01	48.3290488431877
1994-06-01	48.9060489060489
1994-07-01	48.9060489060489
1994-08-01	48.7146529562982
1994-09-01	47.3684210526316
1994-10-01	46.6666666666667
1994-11-01	46.4788732394366
1994-12-01	46.5384615384615
1995-01-01	45.8492975734355
1995-02-01	44.9553001277139
1995-03-01	47.2541507024266
1995-04-01	49.2346938775510
1995-05-01	48.7898089171975
1995-06-01	48.3460559796438
1995-07-01	48.2846251588310
1995-08-01	48.3502538071066
1995-09-01	49.1761723700887
1995-10-01	47.5949367088608
1995-11-01	46.6498103666245
1995-12-01	46.2705436156764
1996-01-01	44.8362720403023
1996-02-01	43.8287153652393
1996-03-01	45.4659949622166
1996-04-01	47.4213836477987
1996-05-01	48.4924623115578
1996-06-01	49.4353826850690
1996-07-01	49.3116395494368
1996-08-01	48.8139825218477
1996-09-01	49.0024937655860
1996-10-01	48.7562189054726
1996-11-01	48.3910891089109
1996-12-01	46.7821782178218
1997-01-01	45.4545454545455
1997-02-01	45.6441717791411
1997-03-01	46.9938650306748
1997-04-01	48.0392156862745
1997-05-01	49.1421568627451
1997-06-01	49.8164014687882
1997-07-01	50.3052503052503
1997-08-01	49.9389499389499
1997-09-01	48.5992691839220
1997-10-01	49.8783454987835
1997-11-01	48.9051094890511
1997-12-01	47.2019464720195
1998-01-01	46.9015795868773
1998-02-01	46.2378640776699
1998-03-01	47.2087378640777
1998-04-01	48.3636363636364
1998-05-01	49.8786407766990
1998-06-01	49.2121212121212
1998-07-01	49.7584541062802
1998-08-01	50.0601684717208
1998-09-01	49.8194945848375
1998-10-01	49.6998799519808
1998-11-01	47.7844311377246
1998-12-01	46.8263473053892
1999-01-01	46.2365591397849
1999-02-01	46.2455303933254
1999-03-01	47.3182359952324
1999-04-01	48.7514863258026
1999-05-01	49.8812351543943
1999-06-01	49.2289442467378
1999-07-01	49.4089834515366
1999-08-01	49.7635933806147
1999-09-01	49.5867768595041
1999-10-01	48.8207547169811
1999-11-01	48.1132075471698
1999-12-01	47.2877358490566
2000-01-01	46.7455621301775
2000-02-01	46.5639810426540
2000-03-01	46.7378410438909
2000-04-01	47.6303317535545
2000-05-01	48.5172004744958
2000-06-01	48.5172004744958
2000-07-01	48.5172004744958
2000-08-01	48.8123515439430
2000-09-01	49.3460166468490
2000-10-01	49.5238095238095
2000-11-01	48.0286738351254
2000-12-01	46.2365591397849
2001-01-01	46.2093862815884
2001-02-01	46.9240048250905
2001-03-01	47.2154963680387
2001-04-01	47.4514563106796
2001-05-01	47.6306196840826
2001-06-01	48.1796116504854
2001-07-01	48.0000000000000
2001-08-01	47.4002418379686
2001-09-01	47.3429951690821
2001-10-01	47.8941034897714
2001-11-01	47.2989195678271
2001-12-01	45.6287425149701
2002-01-01	46.1263408820024
2002-02-01	46.4839094159714
2002-03-01	46.7857142857143
2002-04-01	45.7788347205708
2002-05-01	46.4454976303318
2002-06-01	48.8179669030733
2002-07-01	48.9436619718310
2002-08-01	47.7192982456140
2002-09-01	47.3745624270712
2002-10-01	47.6190476190476
2002-11-01	47.0930232558140
2002-12-01	46.0556844547564
2003-01-01	46.1893764434180
2003-02-01	46.3751438434983
2003-03-01	47.4770642201835
2003-04-01	47.1395881006865
2003-05-01	46.6970387243736
2003-06-01	48.4126984126984
2003-07-01	48.3069977426637
2003-08-01	47.8065241844769
2003-09-01	48.4848484848485
2003-10-01	48.5491071428571
2003-11-01	47.9421579532814
2003-12-01	47.2283813747228
2004-01-01	46.5783664459161
2004-02-01	47.0847084708471
2004-03-01	48.2494529540481
2004-04-01	49.4002181025082
2004-05-01	48.5342019543974
2004-06-01	48.6984815618221
2004-07-01	49.2440604751620
2004-08-01	49.2473118279570
2004-09-01	49.5176848874598
2004-10-01	49.7331910352188
2004-11-01	48.5623003194888
2004-12-01	48.6199575371550
2005-01-01	49.0986214209968
2005-02-01	47.9365079365079
2005-03-01	47.6190476190476
2005-04-01	49.2080253431890
2005-05-01	50.2109704641350
2005-06-01	49.9473129610116
2005-07-01	50.1577287066246
2005-08-01	50.3144654088050
2005-09-01	50.5241090146751
2005-10-01	49.5815899581590
2005-11-01	49.1118077324974
2005-12-01	49.1118077324974
2006-01-01	48.5893416927900
2006-02-01	49.0093847758081
2006-03-01	48.5922836287800
2006-04-01	48.6965589155370
2006-05-01	50.5735140771637
2006-06-01	50.6250000000000
2006-07-01	49.8958333333333
2006-08-01	50.5723204994797
2006-09-01	51.1458333333333
2006-10-01	50.4692387904067
2006-11-01	51.2526096033403
2006-12-01	50.9926854754441
2007-01-01	50.0520291363163
2007-02-01	50.1039501039501
2007-03-01	50.1560874089490
2007-04-01	49.7920997920998
2007-05-01	51.2474012474012
2007-06-01	52.2326064382139
2007-07-01	51.9750519750520
2007-08-01	52.7027027027027
2007-09-01	51.9210799584631
2007-10-01	51.6129032258064
2007-11-01	52.2372528616025
2007-12-01	51.8711018711019
2008-01-01	50.7276507276507
2008-02-01	50.0520291363163
2008-03-01	51.1991657977059
2008-04-01	52.1376433785193
2008-05-01	52.9718456725756
2008-06-01	53.2846715328467
2008-07-01	52.5000000000000
2008-08-01	52.2419186652763
2008-09-01	52.5600835945664
2008-10-01	51.9371727748691
2008-11-01	51.8867924528302
2008-12-01	50.9947643979058
2009-01-01	51.5247108307045
2009-02-01	51.3684210526316
2009-03-01	51.1603375527426
2009-04-01	51.7970401691332
2009-05-01	52.1693121693122
2009-06-01	52.2245762711864
2009-07-01	51.9576719576720
2009-08-01	52.3809523809524
2009-09-01	52.6483050847458
2009-10-01	51.1652542372881
2009-11-01	51.5889830508475
2009-12-01	51.8557794273595
2010-01-01	51.9027484143763
2010-02-01	51.8008474576271
2010-03-01	51.6913319238901
2010-04-01	51.4799154334038
2010-05-01	52.0591341077086
2010-06-01	52.2703273495248
2010-07-01	52.2151898734177
2010-08-01	52.7924130663857
2010-09-01	53.6354056902002
2010-10-01	52.6870389884088
2010-11-01	52.2105263157895
2010-12-01	52.1008403361345
2011-01-01	52.2513089005236
2011-02-01	52.1966527196653
2011-03-01	53.0416221985059
2011-04-01	52.9286474973376
2011-05-01	53.4042553191489
2011-06-01	53.5181236673774
2011-07-01	52.9286474973376
2011-08-01	53.1483457844184
2011-09-01	51.9874476987448
2011-10-01	52.0964360587002
2011-11-01	52.7865404837014
2011-12-01	52.6813880126183
2012-01-01	51.7350157728707
2012-02-01	52.7426160337553
2012-03-01	53.1216931216931
2012-04-01	51.9108280254777
2012-05-01	52.6652452025586
2012-06-01	51.9786096256684
2012-07-01	52.3605150214592
2012-08-01	52.6372443487621
2012-09-01	52.1645021645022
2012-10-01	52.1786492374728
2012-11-01	53.4934497816594
2012-12-01	52.7929901423877
2013-01-01	52.9735682819383
2013-02-01	54.1528239202658
2013-03-01	54.6666666666667
2013-04-01	53.6231884057971
2013-05-01	53.4753363228700
2013-06-01	53.4831460674157
2013-07-01	53.9414414414414
2013-08-01	54.9661399548533
2013-09-01	54.9263873159683
2013-10-01	55.5176336746303
2013-11-01	56.0502283105023
2013-12-01	53.9428571428572
2014-01-01	54.6082949308756
2014-02-01	55.0289017341040
2014-03-01	55.6329849012776
2014-04-01	55.5296856810244
2014-05-01	56.0233918128655
2014-06-01	57.0257611241218
2014-07-01	55.8166862514689
2014-08-01	56.2500000000000
2014-09-01	56.8047337278106
2014-10-01	56.9560047562426
2014-11-01	57.3985680190931
2014-12-01	56.4748201438849
2015-01-01	56.8674698795181
2015-02-01	57.4185765983112
2015-03-01	57.3333333333333
2015-04-01	57.1601941747573
2015-05-01	57.0036540803898
2015-06-01	57.6829268292683
2015-07-01	58.0684596577017
2015-08-01	57.9141104294478
2015-09-01	59.3366093366093
2015-10-01	59.1133004926108
2015-11-01	58.5908529048208
2015-12-01	59.2317224287484
2016-01-01	59.2039800995025
2016-02-01	58.8014981273408
2016-03-01	59.5238095238095
2016-04-01	58.9711417816813
2016-05-01	58.7939698492462
2016-06-01	59.1194968553459
2016-07-01	58.7641866330391
2016-08-01	60.6060606060606
2016-09-01	61.4412136536030
2016-10-01	60.7594936708861
2016-11-01	60.0760456273764
2016-12-01	60.6870229007634
2017-01-01	61.5286624203822
2017-02-01	61.1749680715198
2017-03-01	60.9974424552430
2017-04-01	60.7692307692308
2017-05-01	61.9230769230769
2017-06-01	61.6966580976864
2017-07-01	61.5681233933162
2017-08-01	62.8056628056628
2017-09-01	63.5309278350515
2017-10-01	62.5806451612903
2017-11-01	62.6614987080103
2017-12-01	62.6614987080103
2018-01-01	63.8601036269430
2018-02-01	63.6363636363636
2018-03-01	63.8491547464239
2018-04-01	63.6363636363636
2018-05-01	64.1092327698310
2018-06-01	63.4590377113134
2018-07-01	63.9322916666667
2018-08-01	65.1041666666666
2018-09-01	65.7552083333334