Month	Percent
1978-01-31	6.4281
1978-02-28	6.3933
1978-03-31	6.4593
1978-04-30	7.0178
1978-05-31	8.7724
1978-06-30	10.058
1978-07-31	10.339
1978-08-31	9.4045
1978-09-30	9.079
1978-10-31	9.6825
1978-11-30	11.7141
1978-12-31	12.0576
1979-01-31	12.135
1979-02-28	13.3305
1979-03-31	12.7061
1979-04-30	11.9268
1979-05-31	12.0114
1979-06-30	13.1638
1979-07-31	14.1702
1979-08-31	14.1536
1979-09-30	14.052
1979-10-31	14.1017
1979-11-30	15.9523
1979-12-31	16.6187
1980-01-31	17.4627
1980-02-29	17.7605
1980-03-31	17.9426
1980-04-30	17.653
1980-05-31	17.2688
1980-06-30	17.1855
1980-07-31	16.812
1980-08-31	16.7725
1980-09-30	16.4632
1980-10-31	16.6183
1980-11-30	16.008
1980-12-31	14.5171
1981-01-31	14.4236
1981-02-28	14.0565
1981-03-31	13.063
1981-04-30	12.304
1981-05-31	12.0853
1981-06-30	11.9425
1981-07-31	13.2498
1981-08-31	13.6003
1981-09-30	14.2939
1981-10-31	16.1552
1981-11-30	15.3071
1981-12-31	15.2488
1982-01-31	14.9748
1982-02-28	14.4453
1982-03-31	13.7826
1982-04-30	13.5043
1982-05-31	13.3179
1982-06-30	12.9973
1982-07-31	12.5098
1982-08-31	11.4152
1982-09-30	10.9955
1982-10-31	10.2162
1982-11-30	9.5198
1982-12-31	10.7783
1983-01-31	11.393
1983-02-28	11.5753
1983-03-31	11.1926
1983-04-30	10.5334
1983-05-31	10.457
1983-06-30	10.0052
1983-07-31	9.7452
1983-08-31	9.5886
1983-09-30	9.7866
1983-10-31	9.3505
1983-11-30	9.2591
1983-12-31	9.2728
1984-01-31	9.3469
1984-02-29	9.36
1984-03-31	9.0252
1984-04-30	8.7545
1984-05-31	8.8612
1984-06-30	9.1233
1984-07-31	11.5284
1984-08-31	11.3236
1984-09-30	10.948
1984-10-31	10.792
1984-11-30	10.1466
1984-12-31	9.7026
1985-01-31	11.6757
1985-02-28	14.0873
1985-03-31	14.0788
1985-04-30	13.0485
1985-05-31	12.7395
1985-06-30	12.6545
1985-07-31	12.3993
1985-08-31	11.7402
1985-09-30	11.6683
1985-10-31	11.6852
1985-11-30	11.5869
1985-12-31	11.672
1986-01-31	12.608
1986-02-28	12.7415
1986-03-31	12.2221
1986-04-30	11.0695
1986-05-31	10.4528
1986-06-30	10.0093
1986-07-31	10.0543
1986-08-31	9.973
1986-09-30	10.0116
1986-10-31	10.8085
1986-11-30	10.9253
1986-12-31	11.1112
1987-01-31	11.1086
1987-02-28	11.087
1987-03-31	10.3339
1987-04-30	9.8873
1987-05-31	8.8484
1987-06-30	8.9075
1987-07-31	9.0017
1987-08-31	9.5998
1987-09-30	9.8325
1987-10-31	9.7527
1987-11-30	9.0017
1987-12-31	8.6029
1988-01-31	8.5515
1988-02-29	8.8126
1988-03-31	8.7052
1988-04-30	8.1558
1988-05-31	7.6438
1988-06-30	8.4134
1988-07-31	10.0967
1988-08-31	10.9055
1988-09-30	11.6464
1988-10-31	11.9086
1988-11-30	12.027
1988-12-31	12.902
1989-01-31	13.0612
1989-02-28	12.9618
1989-03-31	12.919
1989-04-30	12.7388
1989-05-31	12.8617
1989-06-30	13.8632
1989-07-31	13.9088
1989-08-31	13.8489
1989-09-30	13.9786
1989-10-31	14.99
1989-11-30	15.0445
1989-12-31	15.0924
1990-01-31	15.0869
1990-02-28	15.0358
1990-03-31	15.0677
1990-04-30	14.9766
1990-05-31	15.0651
1990-06-30	14.9055
1990-07-31	14.9414
1990-08-31	14.9907
1990-09-30	14.949
1990-10-31	14.1283
1990-11-30	14.0939
1990-12-31	14.2697
1991-01-31	14.1011
1991-02-28	13.704
1991-03-31	12.832
1991-04-30	12.1431
1991-05-31	11.851
1991-06-30	11.5028
1991-07-31	11.1957
1991-08-31	10.9993
1991-09-30	10.5693
1991-10-31	10.5648
1991-11-30	10.5067
1991-12-31	10.8523
1992-01-31	10.6725
1992-02-29	10.5008
1992-03-31	10.5798
1992-04-30	10.5513
1992-05-31	10.0411
1992-06-30	9.9932
1992-07-31	10.0989
1992-08-31	10.0963
1992-09-30	10.0936
1992-10-31	8.8445
1992-11-30	7.4333
1992-12-31	7.2
1993-01-31	7.041
1993-02-28	6.3083
1993-03-31	6.0952
1993-04-30	5.9305
1993-05-31	5.8992
1993-06-30	5.883
1993-07-31	5.972
1993-08-31	5.91
1993-09-30	5.9402
1993-10-31	5.8662
1993-11-30	5.6873
1993-12-31	5.5055
1994-01-31	5.4166
1994-02-28	5.2046
1994-03-31	5.1478
1994-04-30	5.0984
1994-05-31	5.0408
1994-06-30	4.9623
1994-07-31	5.046
1994-08-31	5.08
1994-09-30	5.2318
1994-10-31	5.4714
1994-11-30	5.6386
1994-12-31	5.9574
1995-01-31	6.1262
1995-02-28	6.5481
1995-03-31	6.3393
1995-04-30	6.2136
1995-05-31	6.3557
1995-06-30	6.4202
1995-07-31	6.6379
1995-08-31	6.6927
1995-09-30	6.6936
1995-10-31	6.6911
1995-11-30	6.7109
1995-12-31	6.5553
1996-01-31	6.4134
1996-02-29	6.265
1996-03-31	6.0536
1996-04-30	5.9693
1996-05-31	6.0093
1996-06-30	5.8168
1996-07-31	5.7402
1996-08-31	5.7464
1996-09-30	5.7614
1996-10-31	5.8554
1996-11-30	6.0943
1996-12-31	6.106
1997-01-31	6.1416
1997-02-28	6.0913
1997-03-31	6.0389
1997-04-30	6.1086
1997-05-31	6.3043
1997-06-30	6.4993
1997-07-31	6.7602
1997-08-31	7.0638
1997-09-30	7.0982
1997-10-31	7.1446
1997-11-30	7.3765
1997-12-31	7.4412
1998-01-31	7.38
1998-02-28	7.4306
1998-03-31	7.4377
1998-04-30	7.3959
1998-05-31	7.3742
1998-06-30	7.4817
1998-07-31	7.5089
1998-08-31	7.6128
1998-09-30	7.4198
1998-10-31	7.3402
1998-11-30	6.9286
1998-12-31	6.5364
1999-01-31	5.9945
1999-02-28	5.5888
1999-03-31	5.4011
1999-04-30	5.2643
1999-05-31	5.2863
1999-06-30	5.097
1999-07-31	5.0416
1999-08-31	5.07
1999-09-30	5.1314
1999-10-31	5.3267
1999-11-30	5.3264
1999-12-31	5.6373
2000-01-31	5.7627
2000-02-29	6.0597
2000-03-31	5.9733
2000-04-30	5.9932
2000-05-31	6.0686
2000-06-30	6.0149
2000-07-31	5.9918
2000-08-31	5.9908
2000-09-30	6.0134
2000-10-31	5.9957
2000-11-30	5.9512
2000-12-31	5.8742
2001-01-31	5.8502
2001-02-28	5.7305
2001-03-31	5.566
2001-04-30	5.3843
2001-05-31	5.2089
2001-06-30	5.1429
2001-07-31	5.1607
2001-08-31	4.9205
2001-09-30	4.7266
2001-10-31	4.4369
2001-11-30	3.9183
2001-12-31	3.986
2002-01-31	3.9482
2002-02-28	3.9453
2002-03-31	4.0055
2002-04-30	4.0551
2002-05-31	3.9268
2002-06-30	3.9149
2002-07-31	3.8438
2002-08-31	3.9018
2002-09-30	3.9152
2002-10-31	3.9042
2002-11-30	3.8817
2002-12-31	3.9415
2003-01-31	3.905
2003-02-28	3.703
2003-03-31	3.6262
2003-04-30	3.6148
2003-05-31	3.597
2003-06-30	3.6062
2003-07-31	3.4154
2003-08-31	3.4095
2003-09-30	3.5948
2003-10-31	3.6011
2003-11-30	3.747
2003-12-31	3.8207
2004-01-31	3.8381
2004-02-29	4.0165
2004-03-31	4.0885
2004-04-30	4.129
2004-05-31	4.3453
2004-06-30	4.508
2004-07-31	4.5716
2004-08-31	4.7817
2004-09-30	4.7868
2004-10-31	4.7643
2004-11-30	4.757
2004-12-31	4.7745
2005-01-31	4.7703
2005-02-28	4.7708
2005-03-31	4.8005
2005-04-30	4.8012
2005-05-31	4.7938
2005-06-30	4.7741
2005-07-31	4.6738
2005-08-31	4.535
2005-09-30	4.5343
2005-10-31	4.5202
2005-11-30	4.528
2005-12-31	4.5775
2006-01-31	4.5298
2006-02-28	4.51
2006-03-31	4.5115
2006-04-30	4.5294
2006-05-31	4.6017
2006-06-30	4.6305
2006-07-31	4.6048
2006-08-31	4.8243
2006-09-30	4.8693
2006-10-31	4.92
2006-11-30	5.0832
2006-12-31	5.1984
2007-01-31	5.3002
2007-02-28	5.3845
2007-03-31	5.3923
2007-04-30	5.4303
2007-05-31	5.6031
2007-06-30	5.67
2007-07-31	5.8633
2007-08-31	6.2195
2007-09-30	6.4108
2007-10-31	6.0107
2007-11-30	5.9377
2007-12-31	6.4258
2008-01-31	5.5727
2008-02-29	5.5014
2008-03-31	5.6605
2008-04-30	5.5295
2008-05-31	5.4285
2008-06-30	5.4655
2008-07-31	5.3841
2008-08-31	5.35
2008-09-30	5.5691
2008-10-31	5.9533
2008-11-30	3.8475
2008-12-31	2.5155
2009-01-31	1.714
2009-02-28	1.4635
2009-03-31	1.1659
2009-04-30	0.8825
2009-05-31	0.7
2009-06-30	0.6216
2009-07-31	0.5761
2009-08-31	0.5663
2009-09-30	0.5386
2009-10-31	0.525
2009-11-30	0.5262
2009-12-31	0.5264
2010-01-31	0.5253
2010-02-28	0.525
2010-03-31	0.525
2010-04-30	0.5263
2010-05-31	0.5618
2010-06-30	0.575
2010-07-31	0.575
2010-08-31	0.575
2010-09-30	0.575
2010-10-31	0.5976
2010-11-30	0.5909
2010-12-31	0.5983
2011-01-31	0.6275
2011-02-28	0.625
2011-03-31	0.625
2011-04-30	0.625
2011-05-31	0.625
2011-06-30	0.652
2011-07-31	0.66
2011-08-31	0.6739
2011-09-30	0.7064
2011-10-31	0.7314
2011-11-30	0.7686
2011-12-31	0.795
2012-01-31	0.8124
2012-02-29	0.7883
2012-03-31	0.7498
2012-04-30	0.7197
2012-05-31	0.6693
2012-06-30	0.6326
2012-07-31	0.59
2012-08-31	0.542
2012-09-30	0.4948
2012-10-31	0.485
2012-11-30	0.4745
2012-12-31	0.47
2013-01-31	0.4664
2013-02-28	0.465
2013-03-31	0.4593
2013-04-30	0.4555
2013-05-31	0.4598
2013-06-30	0.4593
2013-07-31	0.4615
2013-08-31	0.4607
2013-09-30	0.476
2013-10-31	0.48
2013-11-30	0.4824
2013-12-31	0.4913
2014-01-31	0.4759
2014-02-28	0.4748
2014-03-31	0.4712
2014-04-30	0.47
2014-05-31	0.4733
2014-06-30	0.4745
2014-07-31	0.4724
2014-08-31	0.465
2014-09-30	0.465
2014-10-31	0.465
2014-11-30	0.465
2014-12-31	0.4636
2015-01-31	0.4717
2015-02-28	0.475
2015-03-31	0.475
2015-04-30	0.475
2015-05-31	0.475
2015-06-30	0.4895
2015-07-31	0.505
2015-08-31	0.505
2015-09-30	0.505
2015-10-31	0.505
2015-11-30	0.505
2015-12-31	0.505
2016-01-31	0.492
2016-02-29	0.49
2016-03-31	0.49
2016-04-30	0.49
2016-05-31	0.491
2016-06-30	0.49
2016-07-31	0.4614
2016-08-31	0.3793
2016-09-30	0.3027
2016-10-31	0.3107
2016-11-30	0.31
2016-12-31	0.3075
2017-01-31	0.3038
2017-02-28	0.3
2017-03-31	0.2852
2017-04-30	0.28
2017-05-31	0.28
2017-06-30	0.28
2017-07-31	0.28
2017-08-31	0.2832
2017-09-30	0.29
2017-10-31	0.3245
2017-11-30	0.4105