Month	Percent
1960-01-01	8.100000000
1960-02-01	7.600000000
1960-03-01	5.000000000
1960-04-01	3.000000000
1960-05-01	2.200000000
1960-06-01	1.800000000
1960-07-01	1.700000000
1960-08-01	1.600000000
1960-09-01	1.700000000
1960-10-01	2.100000000
1960-11-01	2.700000000
1960-12-01	4.300000000
1961-01-01	6.200000000
1961-02-01	5.700000000
1961-03-01	3.200000000
1961-04-01	2.100000000
1961-05-01	1.600000000
1961-06-01	1.400000000
1961-07-01	1.300000000
1961-08-01	1.200000000
1961-09-01	1.300000000
1961-10-01	1.700000000
1961-11-01	2.300000000
1961-12-01	4.000000000
1962-01-01	5.600000000
1962-02-01	5.200000000
1962-03-01	3.900000000
1962-04-01	2.200000000
1962-05-01	1.600000000
1962-06-01	1.400000000
1962-07-01	1.300000000
1962-08-01	1.300000000
1962-09-01	1.300000000
1962-10-01	1.700000000
1962-11-01	2.400000000
1962-12-01	4.400000000
1963-01-01	6.200000000
1963-02-01	6.500000000
1963-03-01	4.400000000
1963-04-01	2.300000000
1963-05-01	1.700000000
1963-06-01	1.500000000
1963-07-01	1.400000000
1963-08-01	1.300000000
1963-09-01	1.400000000
1963-10-01	1.800000000
1963-11-01	2.300000000
1963-12-01	4.300000000
1964-01-01	5.900000000
1964-02-01	5.400000000
1964-03-01	3.800000000
1964-04-01	2.100000000
1964-05-01	1.600000000
1964-06-01	1.400000000
1964-07-01	1.300000000
1964-08-01	1.300000000
1964-09-01	1.400000000
1964-10-01	1.800000000
1964-11-01	2.400000000
1964-12-01	3.800000000
1965-01-01	5.400000000
1965-02-01	5.300000000
1965-03-01	3.800000000
1965-04-01	2.100000000
1965-05-01	1.700000000
1965-06-01	1.500000000
1965-07-01	1.400000000
1965-08-01	1.300000000
1965-09-01	1.500000000
1965-10-01	1.800000000
1965-11-01	2.500000000
1965-12-01	3.900000000
1966-01-01	5.200000000
1966-02-01	4.700000000
1966-03-01	2.800000000
1966-04-01	2.100000000
1966-05-01	1.700000000
1966-06-01	1.500000000
1966-07-01	1.400000000
1966-08-01	1.400000000
1966-09-01	1.400000000
1966-10-01	1.800000000
1966-11-01	2.500000000
1966-12-01	3.700000000
1967-01-01	4.900000000
1967-02-01	4.600000000
1967-03-01	3.000000000
1967-04-01	2.300000000
1967-05-01	1.800000000
1967-06-01	1.600000000
1967-07-01	1.500000000
1967-08-01	1.500000000
1967-09-01	1.600000000
1967-10-01	2.100000000
1967-11-01	2.800000000
1967-12-01	4.300000000
1968-01-01	5.900000000
1968-02-01	5.500000000
1968-03-01	3.900000000
1968-04-01	2.400000000
1968-05-01	2.000000000
1968-06-01	1.800000000
1968-07-01	1.600000000
1968-08-01	1.500000000
1968-09-01	1.700000000
1968-10-01	2.100000000
1968-11-01	2.800000000
1968-12-01	4.200000000
1969-01-01	5.700000000
1969-02-01	5.500000000
1969-03-01	3.900000000
1969-04-01	2.400000000
1969-05-01	1.900000000
1969-06-01	1.700000000
1969-07-01	1.500000000
1969-08-01	1.400000000
1969-09-01	1.500000000
1969-10-01	1.900000000
1969-11-01	2.400000000
1969-12-01	3.700000000
1970-01-01	4.722188776
1970-02-01	4.292057697
1970-03-01	3.512573948
1970-04-01	2.205730086
1970-05-01	1.733837956
1970-06-01	1.533236987
1970-07-01	1.392151241
1970-08-01	1.288753529
1970-09-01	1.346653785
1970-10-01	1.761841114
1970-11-01	2.159339315
1970-12-01	2.801087251
1971-01-01	3.664059016
1971-02-01	3.196415588
1971-03-01	2.502413774
1971-04-01	1.879805392
1971-05-01	1.654752934
1971-06-01	1.504758471
1971-07-01	1.363569318
1971-08-01	1.265520206
1971-09-01	1.352418253
1971-10-01	1.754396954
1971-11-01	2.177591232
1971-12-01	2.662870150
1972-01-01	3.176291032
1972-02-01	2.919533712
1972-03-01	2.067521227
1972-04-01	1.866800475
1972-05-01	1.617064853
1972-06-01	1.463668235
1972-07-01	1.342985232
1972-08-01	1.275233160
1972-09-01	1.346406766
1972-10-01	1.725967796
1972-11-01	2.066136564
1972-12-01	2.207880028
1973-01-01	2.437740561
1973-02-01	2.273985948
1973-03-01	1.775923627
1973-04-01	1.398789679
1973-05-01	1.214431890
1973-06-01	1.031643280
1973-07-01	1.018931056
1973-08-01	0.985152920
1973-09-01	1.084394643
1973-10-01	1.472378744
1973-11-01	1.814390957
1973-12-01	2.258206960
1974-01-01	2.677418336
1974-02-01	2.387462628
1974-03-01	1.842271303
1974-04-01	1.469104788
1974-05-01	1.231555072
1974-06-01	0.959384359
1974-07-01	0.911414509
1974-08-01	0.822035133
1974-09-01	0.874150010
1974-10-01	1.290330593
1974-11-01	1.740572659
1974-12-01	2.196020709
1975-01-01	2.771474969
1975-02-01	2.707555026
1975-03-01	2.247245622
1975-04-01	2.083816154
1975-05-01	1.684597418
1975-06-01	1.379826437
1975-07-01	1.349010485
1975-08-01	1.320263818
1975-09-01	1.462589274
1975-10-01	1.972117683
1975-11-01	2.482659263
1975-12-01	3.081636126
1976-01-01	3.588721162
1976-02-01	3.482771533
1976-03-01	2.805539936
1976-04-01	1.999270926
1976-05-01	1.558514940
1976-06-01	1.201534596
1976-07-01	1.160061454
1976-08-01	1.111087458
1976-09-01	1.216800783
1976-10-01	1.645666934
1976-11-01	2.018773329
1976-12-01	2.453723897
1977-01-01	3.171980170
1977-02-01	2.913312790
1977-03-01	2.038573158
1977-04-01	1.715769594
1977-05-01	1.333240495
1977-06-01	1.023709463
1977-07-01	1.048862213
1977-08-01	1.041715044
1977-09-01	1.200606355
1977-10-01	1.724509104
1977-11-01	2.163714036
1977-12-01	2.671169810
1978-01-01	3.268188355
1978-02-01	3.244892919
1978-03-01	2.432945284
1978-04-01	2.140647175
1978-05-01	1.630206222
1978-06-01	1.262157475
1978-07-01	1.262466012
1978-08-01	1.254130779
1978-09-01	1.410168552
1978-10-01	1.918889278
1978-11-01	2.365040801
1978-12-01	2.784618165
1979-01-01	3.528547290
1979-02-01	3.297492262
1979-03-01	2.404757595
1979-04-01	1.999523287
1979-05-01	1.676995808
1979-06-01	1.200373936
1979-07-01	1.208360905
1979-08-01	1.153614755
1979-09-01	1.244487739
1979-10-01	1.746180657
1979-11-01	2.175314433
1979-12-01	2.436484073
1980-01-01	3.227238919
1980-02-01	2.925484241
1980-03-01	2.055882943
1980-04-01	1.735112790
1980-05-01	1.361206540
1980-06-01	1.014006355
1980-07-01	1.038623982
1980-08-01	1.032831053
1980-09-01	1.172264294
1980-10-01	1.759410346
1980-11-01	2.292378587
1980-12-01	2.849192013
1981-01-01	3.675440744
1981-02-01	3.455235608
1981-03-01	2.492262515
1981-04-01	1.974751527
1981-05-01	1.713571308
1981-06-01	1.342363982
1981-07-01	1.410657109
1981-08-01	1.423475881
1981-09-01	1.671567933
1981-10-01	2.446523898
1981-11-01	3.244470677
1981-12-01	4.137889248
1982-01-01	5.406861453
1982-02-01	5.089227853
1982-03-01	4.043099201
1982-04-01	3.362064187
1982-05-01	2.843569030
1982-06-01	2.323620515
1982-07-01	2.379199284
1982-08-01	2.399459756
1982-09-01	2.735803219
1982-10-01	3.587721060
1982-11-01	4.428821047
1982-12-01	5.401105903
1983-01-01	6.316213682
1983-02-01	6.308712194
1983-03-01	5.311782897
1983-04-01	4.696903617
1983-05-01	3.874440196
1983-06-01	3.201411149
1983-07-01	3.111005372
1983-08-01	3.040492130
1983-09-01	3.254596705
1983-10-01	3.967960412
1983-11-01	4.740674599
1983-12-01	5.575316611
1984-01-01	6.650181974
1984-02-01	6.594521086
1984-03-01	5.531818637
1984-04-01	4.671204923
1984-05-01	3.872398961
1984-06-01	3.240330036
1984-07-01	3.154041941
1984-08-01	3.155467149
1984-09-01	3.328465973
1984-10-01	4.047387319
1984-11-01	4.800742613
1984-12-01	5.439480158
1985-01-01	6.871577925
1985-02-01	6.730303846
1985-03-01	5.921514686
1985-04-01	4.983952291
1985-05-01	3.994973296
1985-06-01	3.354024251
1985-07-01	3.319947369
1985-08-01	3.336652571
1985-09-01	3.550770223
1985-10-01	4.228965479
1985-11-01	5.185652511
1985-12-01	6.273824090
1986-01-01	7.048256380
1986-02-01	6.939117308
1986-03-01	6.242697877
1986-04-01	5.295485535
1986-05-01	4.229565160
1986-06-01	3.692018994
1986-07-01	3.665982410
1986-08-01	3.807774428
1986-09-01	4.079951265
1986-10-01	4.778751761
1986-11-01	5.595346173
1986-12-01	6.850277286
1987-01-01	7.939548961
1987-02-01	7.645162713
1987-03-01	6.951966318
1987-04-01	5.711146727
1987-05-01	4.815285665
1987-06-01	4.164993999
1987-07-01	4.036817551
1987-08-01	4.007814169
1987-09-01	4.255161076
1987-10-01	4.957076032
1987-11-01	5.613692014
1987-12-01	6.834480084
1988-01-01	7.678084749
1988-02-01	7.256955864
1988-03-01	6.357617732
1988-04-01	5.567103088
1988-05-01	4.675974432
1988-06-01	4.033028873
1988-07-01	3.952181179
1988-08-01	3.958788538
1988-09-01	4.151391968
1988-10-01	4.722074212
1988-11-01	5.463325735
1988-12-01	6.335388031
1989-01-01	6.961964891
1989-02-01	6.668632888
1989-03-01	5.327682263
1989-04-01	4.982981959
1989-05-01	4.333243359
1989-06-01	3.757414560
1989-07-01	3.713167027
1989-08-01	3.766816232
1989-09-01	3.926457928
1989-10-01	4.545752339
1989-11-01	5.286356203
1989-12-01	6.212077254
1990-01-01	6.943003922
1990-02-01	6.558764410
1990-03-01	5.362601178
1990-04-01	5.128909601
1990-05-01	4.655736351
1990-06-01	4.275655105
1990-07-01	4.282491629
1990-08-01	4.427503826
1990-09-01	4.582255581
1990-10-01	5.236042189
1990-11-01	5.978481485
1990-12-01	6.880913285
1991-01-01	7.488220063
1991-02-01	7.483168422
1991-03-01	6.401883067
1991-04-01	5.909626581
1991-05-01	5.208238242
1991-06-01	4.693588510
1991-07-01	4.599234215
1991-08-01	4.667903718
1991-09-01	4.752220844
1991-10-01	5.501299276
1991-11-01	6.116220498
1991-12-01	7.007175668
1992-01-01	7.758901776
1992-02-01	7.299307664
1992-03-01	6.185623742
1992-04-01	5.751244358
1992-05-01	5.236434763
1992-06-01	4.727939621
1992-07-01	4.636937606
1992-08-01	4.753163453
1992-09-01	5.048996754
1992-10-01	5.778885555
1992-11-01	6.507462176
1992-12-01	7.679059423
1993-01-01	8.402854232
1993-02-01	8.201811798
1993-03-01	7.335845857
1993-04-01	6.864399085
1993-05-01	6.184594296
1993-06-01	5.684153998
1993-07-01	5.578085251
1993-08-01	5.618620549
1993-09-01	5.817829134
1993-10-01	6.428105385
1993-11-01	7.104201683
1993-12-01	8.201772812
1994-01-01	8.731772270
1994-02-01	8.295092560
1994-03-01	6.997902449
1994-04-01	6.760398954
1994-05-01	5.961219717
1994-06-01	5.384680110
1994-07-01	5.230724468
1994-08-01	5.306787312
1994-09-01	5.499497403
1994-10-01	6.098613855
1994-11-01	6.638170757
1994-12-01	7.635797074
1995-01-01	8.488035974
1995-02-01	7.961785089
1995-03-01	6.978606560
1995-04-01	6.511523460
1995-05-01	5.921303796
1995-06-01	5.356559825
1995-07-01	5.252743094
1995-08-01	5.428296914
1995-09-01	5.524714282
1995-10-01	6.218029795
1995-11-01	7.055682023
1995-12-01	8.153551567
1996-01-01	9.038893658
1996-02-01	8.993933237
1996-03-01	8.084307750
1996-04-01	7.308419547
1996-05-01	6.396623325
1996-06-01	5.787981115
1996-07-01	5.617836973
1996-08-01	5.718827932
1996-09-01	5.844594770
1996-10-01	6.532130260
1996-11-01	7.150423406
1996-12-01	7.958780341
1997-01-01	9.217134759
1997-02-01	8.836008945
1997-03-01	7.700753437
1997-04-01	7.243539642
1997-05-01	6.473232296
1997-06-01	5.927549052
1997-07-01	5.811164495
1997-08-01	5.845505097
1997-09-01	5.982873074
1997-10-01	6.652384461
1997-11-01	7.315594591
1997-12-01	8.176731074
1998-01-01	9.145562728
1998-02-01	8.971302736
1998-03-01	7.918437694
1998-04-01	7.328443268
1998-05-01	6.646074829
1998-06-01	6.124282153
1998-07-01	5.886354973
1998-08-01	5.920058996
1998-09-01	6.093364452
1998-10-01	6.635668618
1998-11-01	7.309031891
1998-12-01	8.169716290
1999-01-01	9.058428145
1999-02-01	8.964417275
1999-03-01	7.604503530
1999-04-01	6.999973389
1999-05-01	6.077194144
1999-06-01	5.487501942
1999-07-01	5.291645288
1999-08-01	5.345818962
1999-09-01	5.397441318
1999-10-01	5.838886970
1999-11-01	6.620755802
1999-12-01	7.277874877
2000-01-01	8.379200019
2000-02-01	7.973239963
2000-03-01	6.649674291
2000-04-01	5.861537411
2000-05-01	5.258981432
2000-06-01	4.722425717
2000-07-01	4.494443623
2000-08-01	4.637840322
2000-09-01	4.614783912
2000-10-01	5.157691552
2000-11-01	5.799343683
2000-12-01	6.544129991
2001-01-01	7.736739721
2001-02-01	7.451531383
2001-03-01	6.350946546
2001-04-01	5.762199638
2001-05-01	5.258880867
2001-06-01	4.886635981
2001-07-01	4.823149804
2001-08-01	5.050139392
2001-09-01	5.218422825
2001-10-01	5.841360770
2001-11-01	6.688028513
2001-12-01	7.951106742
2002-01-01	8.849994042
2002-02-01	8.512323563
2002-03-01	7.388505181
2002-04-01	6.881160105
2002-05-01	6.178854442
2002-06-01	5.681965044
2002-07-01	5.572394152
2002-08-01	5.820888257
2002-09-01	5.882276734
2002-10-01	6.299509497
2002-11-01	6.989023987
2002-12-01	8.317687521
2003-01-01	8.909057358
2003-02-01	8.644949020
2003-03-01	7.445035967
2003-04-01	6.802254380
2003-05-01	6.316474611
2003-06-01	5.891574249
2003-07-01	5.750971406
2003-08-01	5.921048643
2003-09-01	6.063752255
2003-10-01	6.521194597
2003-11-01	7.233753162
2003-12-01	8.660884693
2004-01-01	9.135105108
2004-02-01	8.829260486
2004-03-01	7.816602458
2004-04-01	7.057683794
2004-05-01	6.317195042
2004-06-01	5.912100554
2004-07-01	5.744675984
2004-08-01	5.931582808
2004-09-01	6.038931641
2004-10-01	6.510972050
2004-11-01	7.154736258
2004-12-01	8.612482899
2005-01-01	9.122710893
2005-02-01	8.958857088
2005-03-01	7.893527680
2005-04-01	7.137002493
2005-05-01	6.471144344
2005-06-01	6.096607469
2005-07-01	5.964221740
2005-08-01	6.217205973
2005-09-01	6.308136249
2005-10-01	6.795104637
2005-11-01	7.362317480
2005-12-01	8.761442150
2006-01-01	9.325628833
2006-02-01	8.907441415
2006-03-01	7.792752282
2006-04-01	6.683547710
2006-05-01	6.071940384
2006-06-01	5.606072674
2006-07-01	5.498821396
2006-08-01	5.629903687
2006-09-01	5.560756089
2006-10-01	6.071109203
2006-11-01	6.557110804
2006-12-01	7.890410789
2007-01-01	8.338791323
2007-02-01	7.811237371
2007-03-01	6.720439987
2007-04-01	6.214546983
2007-05-01	5.596384968
2007-06-01	5.180585920
2007-07-01	5.118948890
2007-08-01	5.305200359
2007-09-01	5.194780187
2007-10-01	5.723287275
2007-11-01	6.244395724
2007-12-01	7.376737860
2008-01-01	7.525689362
2008-02-01	6.826799358
2008-03-01	5.889975209
2008-04-01	5.751308371
2008-05-01	5.178616163
2008-06-01	4.798644157
2008-07-01	4.870859412
2008-08-01	5.068351332
2008-09-01	5.058227266
2008-10-01	5.613949117
2008-11-01	6.269337219
2008-12-01	7.910132899
2009-01-01	8.368657327
2009-02-01	8.380090774
2009-03-01	7.542436935
2009-04-01	7.289320598
2009-05-01	6.702751690
2009-06-01	6.393512786
2009-07-01	6.359477246
2009-08-01	6.575877736
2009-09-01	6.491315386
2009-10-01	6.844831201
2009-11-01	7.186671094
2009-12-01	8.660365353
2010-01-01	9.027448491
2010-02-01	8.731004013
2010-03-01	7.412246070
2010-04-01	6.985901952
2010-05-01	6.343051997
2010-06-01	5.910102702
2010-07-01	5.796897826
2010-08-01	5.980174336
2010-09-01	5.893635681
2010-10-01	6.259372992
2010-11-01	6.749455077
2010-12-01	8.290490670
2011-01-01	8.522617625
2011-02-01	8.039526153
2011-03-01	6.956974161
2011-04-01	6.536013155
2011-05-01	6.084027960
2011-06-01	5.682570307
2011-07-01	5.652127750
2011-08-01	5.897103615
2011-09-01	5.897988613
2011-10-01	6.377308866
2011-11-01	6.870694666
2011-12-01	8.219358009
2012-01-01	8.590910454
2012-02-01	8.375775342
2012-03-01	7.133907005
2012-04-01	6.838054998
2012-05-01	6.250683018
2012-06-01	5.932853374
2012-07-01	6.012471441
2012-08-01	6.164395720
2012-09-01	6.130076735
2012-10-01	6.689834135
2012-11-01	7.237060592
2012-12-01	8.612321410
2013-01-01	9.041896329
2013-02-01	8.723767972
2013-03-01	7.757296344
2013-04-01	7.331591711
2013-05-01	6.738836157
2013-06-01	6.457782171
2013-07-01	6.680557690
2013-08-01	6.914059071
2013-09-01	6.886213103
2013-10-01	7.410452233
2013-11-01	8.000981644
2013-12-01	9.482333698
2014-01-01	9.741027325
2014-02-01	9.385711997
2014-03-01	8.418498620
2014-04-01	8.126777056
2014-05-01	7.675268886
2014-06-01	7.368212530
2014-07-01	7.377934035
2014-08-01	7.603447446
2014-09-01	7.601889810
2014-10-01	8.102686708
2014-11-01	8.673697354
2014-12-01	10.184610520
2015-01-01	10.546014060
2015-02-01	10.312327440
2015-03-01	9.316156864
2015-04-01	9.146648858
2015-05-01	8.569159059
2015-06-01	8.243563240
2015-07-01	8.099294084
2015-08-01	8.332696559
2015-09-01	8.237345332
2015-10-01	8.723064571
2015-11-01	9.209202923
2015-12-01	10.624733750
2016-01-01	10.861403120
2016-02-01	10.345524850
2016-03-01	9.367776517
2016-04-01	9.080059991
2016-05-01	8.541241325
2016-06-01	8.127402261
2016-07-01	8.068344952
2016-08-01	8.274600897
2016-09-01	8.148078500
2016-10-01	8.623249338
2016-11-01	8.981760412
2016-12-01	10.323426910
2017-01-01	10.639889600
2017-02-01	10.074151900
2017-03-01	8.918829463
2017-04-01	8.570130803
2017-05-01	8.019580544
2017-06-01	7.621494971
2017-07-01	7.589970469
2017-08-01	7.717147273
2017-09-01	7.555689727
2017-10-01	7.883192068
2017-11-01	8.152362862
2017-12-01	9.409833516
2018-01-01	9.414633250
2018-02-01	9.055620358
2018-03-01	7.993080178
2018-04-01	7.703149208
2018-05-01	7.112475983
2018-06-01	6.795734329
2018-07-01	6.874769489
2018-08-01	7.029310870
2018-09-01	6.884793309