Month	Percent
1978-02-01	9.7387918
1978-03-01	8.7438963
1978-04-01	8.1593592
1978-05-01	8.0323171
1978-06-01	7.6037180
1978-07-01	7.2037898
1978-08-01	7.5556693
1978-09-01	7.2055750
1978-10-01	6.9102648
1978-11-01	7.0748019
1978-12-01	8.4355864
1979-01-01	8.6841591
1979-02-01	9.1129109
1979-03-01	8.5757946
1979-04-01	8.5069585
1979-05-01	8.0456554
1979-06-01	7.8912887
1979-07-01	7.7764201
1979-08-01	7.6987918
1979-09-01	8.2387433
1979-10-01	8.0485751
1979-11-01	7.3776763
1979-12-01	8.3490472
1980-01-01	8.3826947
1980-02-01	8.8387289
1980-03-01	8.1212826
1980-04-01	8.1030858
1980-05-01	7.9092941
1980-06-01	8.0095909
1980-07-01	7.2611830
1980-08-01	7.4442803
1980-09-01	7.7335584
1980-10-01	7.3505132
1980-11-01	7.0418268
1980-12-01	8.2070034
1981-01-01	8.2088283
1981-02-01	8.2651861
1981-03-01	8.2104836
1981-04-01	7.5232500
1981-05-01	7.3474543
1981-06-01	6.8184736
1981-07-01	7.1569831
1981-08-01	7.1584826
1981-09-01	7.1094288
1981-10-01	6.7749450
1981-11-01	6.7924185
1981-12-01	7.8363073
1982-01-01	8.1968513
1982-02-01	9.1608216
1982-03-01	8.5784043
1982-04-01	8.2425954
1982-05-01	8.2629779
1982-06-01	8.2403296
1982-07-01	7.7825112
1982-08-01	7.4543818
1982-09-01	8.2830426
1982-10-01	8.9240049
1982-11-01	8.7769817
1982-12-01	10.3222830
1983-01-01	10.4718979
1983-02-01	11.7792550
1983-03-01	11.2306233
1983-04-01	10.7308400
1983-05-01	10.8417369
1983-06-01	10.2935299
1983-07-01	9.8565699
1983-08-01	9.9098168
1983-09-01	10.6972251
1983-10-01	9.5959566
1983-11-01	9.0165526
1983-12-01	10.0154252
1984-01-01	10.3702932
1984-02-01	11.3141129
1984-03-01	10.7748561
1984-04-01	10.6369388
1984-05-01	9.4021413
1984-06-01	9.5181409
1984-07-01	8.8017345
1984-08-01	8.3425150
1984-09-01	8.8511483
1984-10-01	8.3612757
1984-11-01	8.3899749
1984-12-01	9.0350153
1985-01-01	9.4713411
1985-02-01	10.1475819
1985-03-01	9.9404564
1985-04-01	9.2027957
1985-05-01	8.7875558
1985-06-01	8.6256974
1985-07-01	7.9157486
1985-08-01	8.0191080
1985-09-01	8.5842183
1985-10-01	7.9013634
1985-11-01	7.9800086
1985-12-01	8.6522147
1986-01-01	8.9954681
1986-02-01	10.0213299
1986-03-01	9.5982031
1986-04-01	8.8957739
1986-05-01	8.5306495
1986-06-01	8.1036978
1986-07-01	8.3927854
1986-08-01	8.3788076
1986-09-01	8.8420441
1986-10-01	8.2155819
1986-11-01	7.8364345
1986-12-01	8.7151793
1987-01-01	9.0702050
1987-02-01	9.8754546
1987-03-01	10.0362994
1987-04-01	9.4368462
1987-05-01	8.6468504
1987-06-01	8.0905204
1987-07-01	8.2264496
1987-08-01	8.3041181
1987-09-01	8.0641003
1987-10-01	7.8098505
1987-11-01	7.5988289
1987-12-01	8.3569311
1988-01-01	8.8412857
1988-02-01	9.0997564
1988-03-01	9.1338231
1988-04-01	9.0296538
1988-05-01	8.1827659
1988-06-01	7.8709134
1988-07-01	6.8842227
1988-08-01	7.2715251
1988-09-01	7.4378206
1988-10-01	6.8610435
1988-11-01	6.6807274
1988-12-01	7.5398369
1989-01-01	8.0006584
1989-02-01	8.1558103
1989-03-01	7.5063910
1989-04-01	7.1928493
1989-05-01	7.0518323
1989-06-01	6.4271481
1989-07-01	6.4633767
1989-08-01	6.1946377
1989-09-01	6.5493627
1989-10-01	6.2747802
1989-11-01	5.9786627
1989-12-01	6.4106237
1990-01-01	7.0963977
1990-02-01	8.0856560
1990-03-01	7.1266686
1990-04-01	6.7563933
1990-05-01	6.7842173
1990-06-01	6.8958795
1990-07-01	6.8455511
1990-08-01	7.1128147
1990-09-01	7.4233767
1990-10-01	7.1584615
1990-11-01	7.0388161
1990-12-01	7.9672166
1991-01-01	8.8238434
1991-02-01	9.5643556
1991-03-01	9.5188332
1991-04-01	9.7600100
1991-05-01	9.0959694
1991-06-01	8.5329467
1991-07-01	8.9376475
1991-08-01	8.5473613
1991-09-01	9.4048604
1991-10-01	8.6540122
1991-11-01	8.9407654
1991-12-01	9.9586156
1992-01-01	10.4871461
1992-02-01	11.1110554
1992-03-01	10.4497773
1992-04-01	9.9694627
1992-05-01	9.6795670
1992-06-01	9.6961166
1992-07-01	9.5434891
1992-08-01	9.3744765
1992-09-01	9.6954886
1992-10-01	9.5211032
1992-11-01	9.2278319
1992-12-01	10.3710363
1993-01-01	10.5351275
1993-02-01	11.3400422
1993-03-01	10.6444012
1993-04-01	9.6360994
1993-05-01	9.4473889
1993-06-01	9.6335655
1993-07-01	9.4241289
1993-08-01	9.7099270
1993-09-01	10.0035073
1993-10-01	9.7377791
1993-11-01	9.8013535
1993-12-01	10.0489502
1994-01-01	10.7514979
1994-02-01	11.1822131
1994-03-01	10.3313936
1994-04-01	9.7174144
1994-05-01	9.1542442
1994-06-01	9.1331135
1994-07-01	8.9116503
1994-08-01	8.7687873
1994-09-01	9.0681282
1994-10-01	8.3819049
1994-11-01	8.2663941
1994-12-01	8.7383884
1995-01-01	9.1352220
1995-02-01	10.0475648
1995-03-01	9.2226695
1995-04-01	7.9467688
1995-05-01	7.8268466
1995-06-01	7.5379855
1995-07-01	7.3348865
1995-08-01	7.6564986
1995-09-01	7.7519102
1995-10-01	7.6541813
1995-11-01	7.7088845
1995-12-01	7.5242022
1996-01-01	8.3874466
1996-02-01	9.1298507
1996-03-01	8.4681067
1996-04-01	8.4244400
1996-05-01	8.1829200
1996-06-01	7.7056635
1996-07-01	7.9852450
1996-08-01	8.0224356
1996-09-01	8.3575350
1996-10-01	8.0802841
1996-11-01	7.6754089
1996-12-01	8.4073962
1997-01-01	8.9192195
1997-02-01	9.6747082
1997-03-01	8.7398501
1997-04-01	8.4003949
1997-05-01	8.2602357
1997-06-01	7.8469602
1997-07-01	7.5223286
1997-08-01	8.0041425
1997-09-01	7.5386477
1997-10-01	7.3488290
1997-11-01	7.1329499
1997-12-01	7.4791601
1998-01-01	8.2148854
1998-02-01	8.5461329
1998-03-01	8.0294392
1998-04-01	7.5856265
1998-05-01	7.3378742
1998-06-01	7.0757587
1998-07-01	6.8436828
1998-08-01	6.8875920
1998-09-01	7.2764025
1998-10-01	6.6315903
1998-11-01	6.8916082
1998-12-01	6.6693384
1999-01-01	7.2776092
1999-02-01	7.8740089
1999-03-01	7.4762247
1999-04-01	6.8861728
1999-05-01	6.7892686
1999-06-01	6.2569716
1999-07-01	5.9048785
1999-08-01	6.4131488
1999-09-01	6.8333365
1999-10-01	6.1698720
1999-11-01	5.8408507
1999-12-01	6.2184232
2000-01-01	6.9733843
2000-02-01	7.6932491
2000-03-01	7.0922752
2000-04-01	6.4855714
2000-05-01	6.4114596
2000-06-01	5.6721748
2000-07-01	5.0893254
2000-08-01	5.3870180
2000-09-01	5.5390906
2000-10-01	5.2687052
2000-11-01	5.4859617
2000-12-01	5.7144387
2001-01-01	6.0126967
2001-02-01	7.0890968
2001-03-01	6.6133574
2001-04-01	6.6201580
2001-05-01	6.7175097
2001-06-01	6.4403141
2001-07-01	5.9054875
2001-08-01	6.3571195
2001-09-01	6.4648042
2001-10-01	6.5039137
2001-11-01	6.0250784
2001-12-01	6.5785381
2002-01-01	7.2824033
2002-02-01	7.0922382
2002-03-01	6.4253671
2002-04-01	5.9595508
2002-05-01	6.0014979
2002-06-01	6.2511959
2002-07-01	5.5150753
2002-08-01	5.9184610
2002-09-01	6.2405793
2002-10-01	5.6944155
2002-11-01	5.6614934
2002-12-01	5.9309799
2003-01-01	6.4162810
2003-02-01	6.7372338
2003-03-01	6.7362422
2003-04-01	5.9226956
2003-05-01	6.0403583
2003-06-01	5.7389613
2003-07-01	5.6023071
2003-08-01	5.6902770
2003-09-01	5.9336216
2003-10-01	5.4889185
2003-11-01	5.5075500
2003-12-01	5.9153687
2004-01-01	6.3047960
2004-02-01	6.8205139
2004-03-01	6.0608014
2004-04-01	5.6679337
2004-05-01	5.4654638
2004-06-01	5.4111960
2004-07-01	5.2866563
2004-08-01	5.4119764
2004-09-01	5.3204030
2004-10-01	4.8504395
2004-11-01	4.7691099
2004-12-01	5.1060627
2005-01-01	5.7236316
2005-02-01	6.1726158
2005-03-01	5.9584355
2005-04-01	5.4755741
2005-05-01	5.3232902
2005-06-01	5.0645974
2005-07-01	4.8512368
2005-08-01	4.7499327
2005-09-01	5.0524280
2005-10-01	4.7636142
2005-11-01	4.5210504
2005-12-01	5.0129981
2006-01-01	5.6749422
2006-02-01	5.9404637
2006-03-01	5.3333497
2006-04-01	5.3114371
2006-05-01	4.8874805
2006-06-01	4.8391710
2006-07-01	4.3408989
2006-08-01	4.6383193
2006-09-01	4.6382088
2006-10-01	4.3133031
2006-11-01	4.3025507
2006-12-01	4.8825192
2007-01-01	5.2717989
2007-02-01	5.8512670
2007-03-01	5.2982060
2007-04-01	4.9647864
2007-05-01	4.6928413
2007-06-01	4.6518053
2007-07-01	4.3968747
2007-08-01	4.5388139
2007-09-01	4.6416007
2007-10-01	4.4286965
2007-11-01	4.3582165
2007-12-01	4.3528244
2008-01-01	5.0460126
2008-02-01	5.1077974
2008-03-01	4.5902180
2008-04-01	4.6333682
2008-05-01	4.5575661
2008-06-01	4.4526936
2008-07-01	4.4403435
2008-08-01	4.2120328
2008-09-01	4.5413223
2008-10-01	4.3790397
2008-11-01	4.4754411
2008-12-01	4.4267631
2009-01-01	5.1133485
2009-02-01	6.1665157
2009-03-01	6.1090800
2009-04-01	5.4377410
2009-05-01	5.3662728
2009-06-01	5.3527228
2009-07-01	4.9284983
2009-08-01	5.3637004
2009-09-01	5.4932691
2009-10-01	5.1837005
2009-11-01	5.0080105
2009-12-01	5.2749281
2010-01-01	5.7206804
2010-02-01	6.0588951
2010-03-01	5.7071790
2010-04-01	5.6950428
2010-05-01	5.2270075
2010-06-01	5.0809664
2010-07-01	5.1224838
2010-08-01	5.2059932
2010-09-01	5.2023225
2010-10-01	5.2513997
2010-11-01	5.1592023
2010-12-01	5.0962421
2011-01-01	5.7270803
2011-02-01	5.9688218
2011-03-01	5.7675053
2011-04-01	5.1774625
2011-05-01	5.3411175
2011-06-01	5.0347613
2011-07-01	4.9619503
2011-08-01	5.1286007
2011-09-01	5.2660188
2011-10-01	4.8736926
2011-11-01	5.0000197
2011-12-01	5.4118848
2012-01-01	5.6066804
2012-02-01	6.1418188
2012-03-01	5.7569260
2012-04-01	5.2384889
2012-05-01	5.4919553
2012-06-01	5.3390387
2012-07-01	4.9219268
2012-08-01	4.8546463
2012-09-01	5.2051557
2012-10-01	5.2285131
2012-11-01	4.8512057
2012-12-01	5.2806531
2013-01-01	5.7259477
2013-02-01	6.2075288
2013-03-01	6.0030054
2013-04-01	5.7415616
2013-05-01	5.6225272
2013-06-01	5.4869744
2013-07-01	5.2386254
2013-08-01	5.5670446
2013-09-01	5.6181744
2013-10-01	5.3644843
2013-11-01	5.2481299
2013-12-01	5.5004672
2014-01-01	6.4286936
2014-02-01	7.2461568
2014-03-01	6.6450844
2014-04-01	5.9460494
2014-05-01	6.0740474
2014-06-01	5.8715281
2014-07-01	5.9467337
2014-08-01	5.9285866
2014-09-01	6.1139848
2014-10-01	6.1540296
2014-11-01	5.7646243
2014-12-01	5.9537576
2015-01-01	6.6990515
2015-02-01	6.7938834
2015-03-01	6.6325976
2015-04-01	6.2325491
2015-05-01	5.9153676
2015-06-01	5.8529422
2015-07-01	6.3236461
2015-08-01	5.9733841
2015-09-01	5.8447659
2015-10-01	5.5800815
2015-11-01	5.4979805
2015-12-01	5.5650076
2016-01-01	6.4159776
2016-02-01	6.4242251
2016-03-01	6.1310386
2016-04-01	5.8780379
2016-05-01	5.7755844
2016-06-01	5.8481913
2016-07-01	5.6662848
2016-08-01	5.5891342
2016-09-01	5.4291428
2016-10-01	5.3136031
2016-11-01	5.3672901
2016-12-01	5.5254579
2017-01-01	6.2741553
2017-02-01	6.5949051
2017-03-01	6.5275826
2017-04-01	6.0934455
2017-05-01	5.5708600
2017-06-01	5.5250040
2017-07-01	5.4293389
2017-08-01	5.4861041
2017-09-01	5.2156883
2017-10-01	5.1892389
2017-11-01	5.0074027
2017-12-01	5.1632866
2018-01-01	6.0414239
2018-02-01	6.2427088
2018-03-01	6.0170143
2018-04-01	5.6789975
2018-05-01	5.3839615
2018-06-01	5.0132505
2018-07-01	5.0787592
2018-08-01	5.3158633
2018-09-01	4.9427786