Month	Percent
1978-02-01	94.9971809118766
1978-03-01	95.0555553672263
1978-04-01	95.1300942900498
1978-05-01	95.0877555145664
1978-06-01	95.1901173545240
1978-07-01	94.7835589857720
1978-08-01	94.5943183220368
1978-09-01	94.8063943897496
1978-10-01	94.9287685564871
1978-11-01	95.0474563214996
1978-12-01	95.1416977335013
1979-01-01	94.1252549708500
1979-02-01	94.9149842468901
1979-03-01	95.2969043597129
1979-04-01	95.0961366745620
1979-05-01	94.9076109680200
1979-06-01	95.0843426301082
1979-07-01	94.7021744749393
1979-08-01	94.4560248799498
1979-09-01	94.9810268527265
1979-10-01	94.8530317217326
1979-11-01	94.5516201637532
1979-12-01	94.6341060667320
1980-01-01	94.0233941147892
1980-02-01	94.6684467906306
1980-03-01	94.9098704414240
1980-04-01	94.3533148035321
1980-05-01	94.7550778745246
1980-06-01	94.5343734876661
1980-07-01	94.6400063056669
1980-08-01	94.5309779808239
1980-09-01	95.0518884912295
1980-10-01	94.7278505713436
1980-11-01	94.4364479113206
1980-12-01	94.7443334270336
1981-01-01	93.9960448874130
1981-02-01	94.4237890306631
1981-03-01	94.6925328151101
1981-04-01	94.4609219006628
1981-05-01	94.2423958817397
1981-06-01	94.2751239721529
1981-07-01	94.4098883992137
1981-08-01	94.2308426043240
1981-09-01	94.7914047519496
1981-10-01	93.9233040412603
1981-11-01	94.1152544510531
1981-12-01	94.1333484989803
1982-01-01	93.4201465037468
1982-02-01	94.3183670029106
1982-03-01	94.4849989474922
1982-04-01	94.0746547087026
1982-05-01	94.1093191034788
1982-06-01	94.0135564368593
1982-07-01	94.1793494848016
1982-08-01	93.7011139655518
1982-09-01	94.4699465942144
1982-10-01	94.4953942385282
1982-11-01	94.1643632007563
1982-12-01	94.1919832159036
1983-01-01	93.2138327858970
1983-02-01	94.3909024388143
1983-03-01	94.4789356128112
1983-04-01	94.1186024264900
1983-05-01	94.0125510108950
1983-06-01	94.1269898496561
1983-07-01	94.3867337450679
1983-08-01	93.9850622551725
1983-09-01	94.7377438736434
1983-10-01	94.0924697810607
1983-11-01	93.7989965668812
1983-12-01	93.9822161421645
1984-01-01	93.2906453905793
1984-02-01	94.3171665369230
1984-03-01	94.8388393138386
1984-04-01	94.0758705759791
1984-05-01	94.2350402304802
1984-06-01	94.0476344394884
1984-07-01	93.9817516289600
1984-08-01	93.6692601530900
1984-09-01	94.2051852839681
1984-10-01	93.7367124070393
1984-11-01	93.5131838467234
1984-12-01	93.5345854941683
1985-01-01	92.7364038410441
1985-02-01	93.6893771388795
1985-03-01	93.8595114112869
1985-04-01	93.0166947945916
1985-05-01	93.4403383869076
1985-06-01	93.3382533117714
1985-07-01	93.4134732746311
1985-08-01	93.4877837482211
1985-09-01	93.8751933078121
1985-10-01	93.0585114916044
1985-11-01	93.8795519499808
1985-12-01	93.5462687035381
1986-01-01	92.8845671408172
1986-02-01	93.7758499937848
1986-03-01	94.0872979158630
1986-04-01	93.3675710009500
1986-05-01	93.2831185511458
1986-06-01	93.9034765542134
1986-07-01	93.5994001677859
1986-08-01	93.4648913324129
1986-09-01	94.2747993032269
1986-10-01	93.6865704930566
1986-11-01	93.4481137103720
1986-12-01	93.5569293001333
1987-01-01	92.8195422757607
1987-02-01	93.3096012143184
1987-03-01	94.1493945144785
1987-04-01	93.2550785968529
1987-05-01	93.3784931451967
1987-06-01	93.5536762255448
1987-07-01	93.5801553853350
1987-08-01	93.2926436731707
1987-09-01	93.5767187973243
1987-10-01	93.0307051936950
1987-11-01	92.5655681389141
1987-12-01	92.9365335485628
1988-01-01	92.3658088638047
1988-02-01	92.9225766576856
1988-03-01	93.5345617485481
1988-04-01	93.6424334457238
1988-05-01	93.1641171351100
1988-06-01	93.2279925842399
1988-07-01	92.7409349547757
1988-08-01	92.2937955359152
1988-09-01	93.3109478740212
1988-10-01	93.1463176616792
1988-11-01	93.1359429161834
1988-12-01	93.0851922546352
1989-01-01	92.0292360023044
1989-02-01	93.0280641325797
1989-03-01	92.8558509135986
1989-04-01	93.0677999309236
1989-05-01	93.1583902784234
1989-06-01	92.8860889722339
1989-07-01	92.8898469711230
1989-08-01	92.7088707174009
1989-09-01	93.3218940116103
1989-10-01	92.8062152739016
1989-11-01	93.1745527032463
1989-12-01	93.3234523838386
1990-01-01	92.5775865297641
1990-02-01	93.2527584792253
1990-03-01	93.3080575030331
1990-04-01	93.2612520949062
1990-05-01	93.5170164908646
1990-06-01	93.4399515490029
1990-07-01	93.6410488603037
1990-08-01	93.0590892416682
1990-09-01	93.7904197875531
1990-10-01	93.1660305248458
1990-11-01	93.0509761131194
1990-12-01	93.2384757663437
1991-01-01	92.5732431844624
1991-02-01	93.3507033384898
1991-03-01	93.5382334913352
1991-04-01	93.4374346505028
1991-05-01	93.3740598560928
1991-06-01	93.1014429836724
1991-07-01	92.7313414852338
1991-08-01	92.9077184049888
1991-09-01	93.5604301668538
1991-10-01	93.0032263504508
1991-11-01	92.5555087288631
1991-12-01	92.7950466529206
1992-01-01	92.0667092606743
1992-02-01	92.7723333239536
1992-03-01	92.7668600375340
1992-04-01	92.5546700247864
1992-05-01	92.5150168440213
1992-06-01	92.4320512437284
1992-07-01	92.5259729543423
1992-08-01	92.0219076442711
1992-09-01	92.6435868606418
1992-10-01	92.4144390306391
1992-11-01	92.0058730711157
1992-12-01	92.5347956269188
1993-01-01	92.0292056112837
1993-02-01	92.2482730827045
1993-03-01	92.4745216846507
1993-04-01	92.0412490843983
1993-05-01	92.2580875199489
1993-06-01	92.5136579200578
1993-07-01	92.2177681881856
1993-08-01	91.8632508953836
1993-09-01	92.6703808332534
1993-10-01	92.3832835295070
1993-11-01	92.0265787024280
1993-12-01	92.1726395759307
1994-01-01	91.2747274008649
1994-02-01	91.7552738117016
1994-03-01	91.7536944796316
1994-04-01	91.6649339382180
1994-05-01	91.5278954708713
1994-06-01	91.7559185582488
1994-07-01	91.9477248034708
1994-08-01	91.3467116439873
1994-09-01	92.1214617575087
1994-10-01	91.4343012393560
1994-11-01	91.1973216773955
1994-12-01	91.4030117679227
1995-01-01	90.9992050819109
1995-02-01	91.7944684563678
1995-03-01	91.7711264576080
1995-04-01	91.6723561317348
1995-05-01	91.6585343315810
1995-06-01	91.6223437856277
1995-07-01	91.6428246501188
1995-08-01	91.4543558228952
1995-09-01	92.4826505490865
1995-10-01	91.6881151712373
1995-11-01	91.8399593450640
1995-12-01	92.0313774721366
1996-01-01	91.5050292096377
1996-02-01	92.1871423565972
1996-03-01	91.7758634227807
1996-04-01	91.4686934217931
1996-05-01	91.7554632093153
1996-06-01	91.5529048470316
1996-07-01	91.5379365303885
1996-08-01	91.4495360432514
1996-09-01	91.8590782816168
1996-10-01	91.2687691845324
1996-11-01	91.1823591520466
1996-12-01	91.3648348134216
1997-01-01	90.8402606762402
1997-02-01	91.2650416595464
1997-03-01	91.5147571253574
1997-04-01	90.9579417622987
1997-05-01	91.1307578824836
1997-06-01	90.9928320629190
1997-07-01	91.2728820379238
1997-08-01	90.5314728430899
1997-09-01	91.5573818695767
1997-10-01	90.6756474440170
1997-11-01	91.0140730935759
1997-12-01	91.0139371533281
1998-01-01	90.5694021423051
1998-02-01	91.0904570397181
1998-03-01	90.8721886337049
1998-04-01	90.7180861502879
1998-05-01	90.8011463952239
1998-06-01	90.7873067772290
1998-07-01	90.9590548826705
1998-08-01	90.2743610193252
1998-09-01	91.4872319970413
1998-10-01	90.7192145393099
1998-11-01	90.6213702510417
1998-12-01	90.7871046766134
1999-01-01	90.2100636453263
1999-02-01	90.7261294665880
1999-03-01	90.7830737691020
1999-04-01	90.5692662776969
1999-05-01	90.4365002675998
1999-06-01	90.4806230413724
1999-07-01	90.4029651830698
1999-08-01	89.9800545793313
1999-09-01	90.8665430082392
1999-10-01	90.3580912577110
1999-11-01	89.8831794286895
1999-12-01	90.4531985965069
2000-01-01	89.4942446342736
2000-02-01	90.0804280702654
2000-03-01	90.2282204051991
2000-04-01	90.2151769515189
2000-05-01	90.2310006063579
2000-06-01	90.3976779815150
2000-07-01	90.5140724019884
2000-08-01	90.0770963448149
2000-09-01	90.8051487059078
2000-10-01	90.2630839138677
2000-11-01	89.9171838737572
2000-12-01	90.4618977718406
2001-01-01	89.3567019806873
2001-02-01	90.2645549369404
2001-03-01	89.9071987560064
2001-04-01	90.3846982735871
2001-05-01	90.2480879166519
2001-06-01	90.1797123319881
2001-07-01	90.0867948768326
2001-08-01	89.9534471774331
2001-09-01	90.6460561289596
2001-10-01	90.3431768161107
2001-11-01	89.9498847059488
2001-12-01	90.3263014561701
2002-01-01	89.9157734497661
2002-02-01	90.2103074066324
2002-03-01	90.2778218119196
2002-04-01	90.3229038695644
2002-05-01	90.3852498081429
2002-06-01	90.4190227583748
2002-07-01	89.9390515860699
2002-08-01	89.9353776427768
2002-09-01	90.3858873866238
2002-10-01	89.9390136524204
2002-11-01	90.0541734705349
2002-12-01	90.3640225999030
2003-01-01	89.7597532376994
2003-02-01	90.4672044410801
2003-03-01	90.1399921322074
2003-04-01	89.9688318113917
2003-05-01	89.6708251800688
2003-06-01	89.8192562483862
2003-07-01	89.5245230952300
2003-08-01	89.2365196718810
2003-09-01	90.1055164437567
2003-10-01	89.9386927813302
2003-11-01	89.4765055228921
2003-12-01	90.0267904916856
2004-01-01	89.5494903616927
2004-02-01	89.9456791463810
2004-03-01	90.0305503253646
2004-04-01	90.0221752657316
2004-05-01	89.8415765895302
2004-06-01	89.8739750126028
2004-07-01	89.6907413410650
2004-08-01	89.3058167485620
2004-09-01	90.3600973133285
2004-10-01	89.8255950213216
2004-11-01	89.8672728690399
2004-12-01	90.1664557978183
2005-01-01	89.5093150433568
2005-02-01	90.3368177947793
2005-03-01	90.3871163456352
2005-04-01	90.4637443304101
2005-05-01	90.2263099163360
2005-06-01	90.5143535659550
2005-07-01	90.0728950294714
2005-08-01	90.2581725552264
2005-09-01	91.0250884614772
2005-10-01	90.3611082785268
2005-11-01	89.9477276715746
2005-12-01	90.6260513748667
2006-01-01	89.8406526432701
2006-02-01	90.3411636257900
2006-03-01	90.3505957077573
2006-04-01	90.2553266985982
2006-05-01	90.1509059080210
2006-06-01	90.2502883655584
2006-07-01	90.6262748410060
2006-08-01	90.0838581086859
2006-09-01	90.8658674215770
2006-10-01	90.2578605999183
2006-11-01	90.1191437467806
2006-12-01	90.8090633326388
2007-01-01	89.7602104738773
2007-02-01	90.7094906291568
2007-03-01	90.7268730933839
2007-04-01	90.6480693886394
2007-05-01	90.8187129635657
2007-06-01	90.8971358145894
2007-07-01	90.8514474954314
2007-08-01	90.4474808105044
2007-09-01	91.5506756537853
2007-10-01	90.6509251292446
2007-11-01	90.9596704277021
2007-12-01	91.3777003237236
2008-01-01	90.6176776740033
2008-02-01	90.9906376423215
2008-03-01	91.2821657207051
2008-04-01	90.9293848276534
2008-05-01	90.9091924999831
2008-06-01	91.0499681030061
2008-07-01	90.7777102211772
2008-08-01	90.5480642873072
2008-09-01	91.3515399423491
2008-10-01	91.1242893613106
2008-11-01	90.7506737081400
2008-12-01	90.8664699667511
2009-01-01	90.3036949126038
2009-02-01	90.3521524865617
2009-03-01	90.2263375440145
2009-04-01	90.2703514880716
2009-05-01	90.7434061536281
2009-06-01	90.2779919024019
2009-07-01	90.2786409802973
2009-08-01	89.8517645003532
2009-09-01	90.8538340512505
2009-10-01	90.4586517427702
2009-11-01	90.1492340855664
2009-12-01	90.4861116430004
2010-01-01	90.0202900888145
2010-02-01	90.5962380892426
2010-03-01	90.6037786227458
2010-04-01	90.2538437461352
2010-05-01	90.4061500479386
2010-06-01	90.3664553733935
2010-07-01	90.3153799057723
2010-08-01	90.2044611159896
2010-09-01	91.1904011001584
2010-10-01	90.9342724074099
2010-11-01	90.7226545042548
2010-12-01	91.1381064724543
2011-01-01	90.3581776138153
2011-02-01	90.9988343908400
2011-03-01	91.0149720795074
2011-04-01	90.6947505507456
2011-05-01	90.7023622571215
2011-06-01	90.4624295384044
2011-07-01	90.6295711530551
2011-08-01	90.0616966177492
2011-09-01	90.8114791220338
2011-10-01	90.6714426896311
2011-11-01	90.5167204663078
2011-12-01	90.2744028574890
2012-01-01	89.9904687282284
2012-02-01	90.5500698807180
2012-03-01	90.4378100547437
2012-04-01	90.1800478112266
2012-05-01	90.2070947350822
2012-06-01	90.0006927454830
2012-07-01	90.1274503266002
2012-08-01	89.4900685957541
2012-09-01	90.6219730374936
2012-10-01	90.1980751164902
2012-11-01	89.5845707822463
2012-12-01	90.2572659747292
2013-01-01	89.7153330642957
2013-02-01	90.4316078604665
2013-03-01	90.3559015357222
2013-04-01	90.0521467367470
2013-05-01	90.2803619292299
2013-06-01	90.4237338144129
2013-07-01	90.0975102711980
2013-08-01	89.5643614970966
2013-09-01	90.3734174952994
2013-10-01	90.1108515496860
2013-11-01	90.1094521867558
2013-12-01	90.1434133383811
2014-01-01	89.4237278331494
2014-02-01	90.3552442712415
2014-03-01	89.9194384777872
2014-04-01	89.9614988864834
2014-05-01	89.9644268431826
2014-06-01	89.7096267553164
2014-07-01	89.7548902681718
2014-08-01	89.8836568299726
2014-09-01	89.8386113049647
2014-10-01	89.7250397266550
2014-11-01	89.7837243896334
2014-12-01	90.0303673300675
2015-01-01	89.6040016985848
2015-02-01	90.9895189928389
2015-03-01	90.6735374275420
2015-04-01	90.2235233339074
2015-05-01	90.5047069348441
2015-06-01	90.1225189592084
2015-07-01	90.3990683691576
2015-08-01	90.4537413107246
2015-09-01	90.2480167139728
2015-10-01	90.2105488565225
2015-11-01	89.9599259147155
2015-12-01	90.1745693429048
2016-01-01	90.0154219599200
2016-02-01	90.6851302712330
2016-03-01	90.1059711218785
2016-04-01	90.1196272595200
2016-05-01	90.0866762239077
2016-06-01	89.9774458003742
2016-07-01	90.1011996322118
2016-08-01	89.9406838855857
2016-09-01	89.8953097768596
2016-10-01	90.3050487064889
2016-11-01	90.2734612421746
2016-12-01	90.3596818539440
2017-01-01	89.1182969509953
2017-02-01	90.9445887103382
2017-03-01	90.4810428212620
2017-04-01	90.3957779019592
2017-05-01	90.4699329300548
2017-06-01	90.2933642907808
2017-07-01	90.2189129563178
2017-08-01	90.1311898414497
2017-09-01	90.2064880628357
2017-10-01	90.3101628682707
2017-11-01	90.4993835839600
2017-12-01	90.7141631700442
2018-01-01	89.7348607762853
2018-02-01	90.8893632406858
2018-03-01	90.5108601967918
2018-04-01	90.6413939459838
2018-05-01	90.6366408721869
2018-06-01	90.3895640489994
2018-07-01	90.3644366652650
2018-08-01	90.2267520353847
2018-09-01	90.1668126478508