Month	Percent
1978-01-31	7.0052
1978-02-28	7.9873
1978-03-31	8.0617
1978-04-30	8.7455
1978-05-31	9.8886
1978-06-30	10.3536
1978-07-31	10.4162
1978-08-31	9.8427
1978-09-30	9.9448
1978-10-31	10.8861
1978-11-30	11.825
1978-12-31	12.01
1979-01-31	12.4425
1979-02-28	12.844
1979-03-31	11.3536
1979-04-30	11.0408
1979-05-31	11.4367
1979-06-30	12.299
1979-07-31	12.5655
1979-08-31	12.7389
1979-09-30	13.1563
1979-10-31	13.4796
1979-11-30	15.1659
1979-12-31	15.2776
1980-01-31	15.1843
1980-02-29	16.1548
1980-03-31	16.8326
1980-04-30	16.1518
1980-05-31	14.9738
1980-06-30	14.2974
1980-07-31	13.6089
1980-08-31	14.6115
1980-09-30	14.2084
1980-10-31	14.0876
1980-11-30	14.484
1980-12-31	14.0398
1981-01-31	13.5221
1981-02-28	12.5083
1981-03-31	12.2452
1981-04-30	12.148
1981-05-31	12.7047
1981-06-30	13.2207
1981-07-31	13.9855
1981-08-31	14.322
1981-09-30	14.7998
1981-10-31	16.0441
1981-11-30	14.6579
1981-12-31	15.1333
1982-01-31	15.1375
1982-02-28	14.486
1982-03-31	13.5359
1982-04-30	13.809
1982-05-31	13.3813
1982-06-30	13.0839
1982-07-31	12.48
1982-08-31	11.1276
1982-09-30	10.9691
1982-10-31	9.7781
1982-11-30	9.3132
1982-12-31	10.4493
1983-01-31	11.195
1983-02-28	11.2105
1983-03-31	10.8139
1983-04-30	10.2916
1983-05-31	10.3993
1983-06-30	10.3064
1983-07-31	10.6152
1983-08-31	10.7798
1983-09-30	10.2523
1983-10-31	9.9436
1983-11-30	9.8491
1983-12-31	10.085
1984-01-31	10.0679
1984-02-29	9.9545
1984-03-31	9.385
1984-04-30	9.5039
1984-05-31	10.3114
1984-06-30	10.6233
1984-07-31	11.8518
1984-08-31	11.1766
1984-09-30	11.041
1984-10-31	10.8437
1984-11-30	10.1539
1984-12-31	10.2624
1985-01-31	11.4575
1985-02-28	12.5523
1985-03-31	12.4538
1985-04-30	11.95
1985-05-31	12.1936
1985-06-30	11.9893
1985-07-31	11.5937
1985-08-31	11.0133
1985-09-30	11.2093
1985-10-31	11.1687
1985-11-30	11.3079
1985-12-31	11.5253
1986-01-31	12.6491
1986-02-28	12.289
1986-03-31	11.0937
1986-04-30	9.7327
1986-05-31	9.6343
1986-06-30	9.5681
1986-07-31	9.887
1986-08-31	9.7608
1986-09-30	10.2155
1986-10-31	11.1293
1986-11-30	11.1888
1986-12-31	11.361
1987-01-31	10.8629
1987-02-28	10.558
1987-03-31	9.6689
1987-04-30	9.5858
1987-05-31	8.9505
1987-06-30	9.0695
1987-07-31	9.5272
1987-08-31	10.4375
1987-09-30	10.5809
1987-10-31	10.2755
1987-11-30	9.0433
1987-12-31	9.1905
1988-01-31	9.484
1988-02-29	9.6974
1988-03-31	9.318
1988-04-30	8.9342
1988-05-31	9.0135
1988-06-30	9.6493
1988-07-31	10.7569
1988-08-31	11.4355
1988-09-30	12.1664
1988-10-31	11.7117
1988-11-30	12.1991
1988-12-31	12.922
1989-01-31	12.705
1989-02-28	12.676
1989-03-31	12.904
1989-04-30	13.128
1989-05-31	13.1145
1989-06-30	14.1516
1989-07-31	13.6454
1989-08-31	13.3648
1989-09-30	13.7964
1989-10-31	14.667
1989-11-30	14.5286
1989-12-31	14.6287
1990-01-31	14.9233
1990-02-28	15.153
1990-03-31	15.6116
1990-04-30	15.68
1990-05-31	15.3355
1990-06-30	14.789
1990-07-31	14.5609
1990-08-31	14.5736
1990-09-30	14.4435
1990-10-31	13.325
1990-11-30	12.5895
1990-12-31	12.6292
1991-01-31	12.9598
1991-02-28	12.1918
1991-03-31	11.5878
1991-04-30	11.3888
1991-05-31	11.1121
1991-06-30	10.8743
1991-07-31	10.7761
1991-08-31	10.6752
1991-09-30	10.1526
1991-10-31	10.2239
1991-11-30	10.3657
1991-12-31	10.6853
1992-01-31	10.4591
1992-02-29	10.1653
1992-03-31	10.6468
1992-04-30	10.565
1992-05-31	9.9779
1992-06-30	9.9355
1992-07-31	10.1059
1992-08-31	10.485
1992-09-30	9.7909
1992-10-31	7.6414
1992-11-30	6.599
1992-12-31	6.8348
1993-01-31	6.5525
1993-02-28	5.6993
1993-03-31	5.731
1993-04-30	6.0638
1993-05-31	6.1568
1993-06-30	5.9249
1993-07-31	5.8386
1993-08-31	5.5905
1993-09-30	5.7266
1993-10-31	5.5679
1993-11-30	5.4211
1993-12-31	5.1279
1994-01-31	5.2512
1994-02-28	5.222
1994-03-31	5.3554
1994-04-30	5.7247
1994-05-31	5.8655
1994-06-30	6.077
1994-07-31	6.1755
1994-08-31	6.7425
1994-09-30	7.1295
1994-10-31	7.2733
1994-11-30	7.2957
1994-12-31	7.676
1995-01-31	7.8129
1995-02-28	7.7827
1995-03-31	7.7163
1995-04-30	7.555
1995-05-31	7.4569
1995-06-30	7.1714
1995-07-31	7.205
1995-08-31	7.0684
1995-09-30	6.7326
1995-10-31	6.7911
1995-11-30	6.5516
1995-12-31	6.2753
1996-01-31	6.2352
1996-02-29	6.1126
1996-03-31	6.2436
1996-04-30	6.359
1996-05-31	6.3557
1996-06-30	6.1538
1996-07-31	5.9948
1996-08-31	6.0126
1996-09-30	6.076
1996-10-31	6.2948
1996-11-30	6.8348
1996-12-31	6.875
1997-01-31	6.8202
1997-02-28	6.6358
1997-03-31	6.7147
1997-04-30	6.9486
1997-05-31	6.909
1997-06-30	7.0757
1997-07-31	7.3989
1997-08-31	7.478
1997-09-30	7.4674
1997-10-31	7.4922
1997-11-30	7.7528
1997-12-31	7.6967
1998-01-31	7.4902
1998-02-28	7.4264
1998-03-31	7.4873
1998-04-30	7.4275
1998-05-31	7.3984
1998-06-30	7.7196
1998-07-31	7.8379
1998-08-31	7.5783
1998-09-30	7.0409
1998-10-31	6.5977
1998-11-30	6.3481
1998-12-31	5.7681
1999-01-31	5.3983
1999-02-28	5.237
1999-03-31	5.2552
1999-04-30	5.235
1999-05-31	5.3458
1999-06-30	5.3648
1999-07-31	5.4493
1999-08-31	5.8217
1999-09-30	6.1252
1999-10-31	6.4121
1999-11-30	6.3074
1999-12-31	6.5092
2000-01-31	6.7745
2000-02-29	6.6935
2000-03-31	6.6511
2000-04-30	6.6632
2000-05-31	6.6442
2000-06-30	6.4999
2000-07-31	6.3929
2000-08-31	6.4342
2000-09-30	6.3579
2000-10-31	6.2531
2000-11-30	6.0676
2000-12-31	5.8186
2001-01-31	5.581
2001-02-28	5.5282
2001-03-31	5.3026
2001-04-30	5.1679
2001-05-31	5.2039
2001-06-30	5.4577
2001-07-31	5.4865
2001-08-31	5.0568
2001-09-30	4.6664
2001-10-31	4.3886
2001-11-30	4.0419
2001-12-31	4.2519
2002-01-31	4.4837
2002-02-28	4.55
2002-03-31	4.6875
2002-04-30	4.7284
2002-05-31	4.7486
2002-06-30	4.7057
2002-07-31	4.4192
2002-08-31	4.0871
2002-09-30	4.0089
2002-10-31	3.9803
2002-11-30	4.0306
2002-12-31	4.0655
2003-01-31	3.9102
2003-02-28	3.5818
2003-03-31	3.499
2003-04-30	3.5273
2003-05-31	3.49
2003-06-30	3.4579
2003-07-31	3.425
2003-08-31	3.79
2003-09-30	3.975
2003-10-31	4.2226
2003-11-30	4.4493
2003-12-31	4.3764
2004-01-31	4.3867
2004-02-29	4.46
2004-03-31	4.577
2004-04-30	4.7633
2004-05-31	4.9763
2004-06-30	5.2602
2004-07-31	5.2032
2004-08-31	5.2002
2004-09-30	5.1116
2004-10-31	4.981
2004-11-30	4.9382
2004-12-31	4.8667
2005-01-31	4.853
2005-02-28	4.964
2005-03-31	5.1324
2005-04-30	4.9821
2005-05-31	4.7948
2005-06-30	4.665
2005-07-31	4.4229
2005-08-31	4.4975
2005-09-30	4.4684
2005-10-31	4.5117
2005-11-30	4.6268
2005-12-31	4.62
2006-01-31	4.5631
2006-02-28	4.5785
2006-03-31	4.6598
2006-04-30	4.7328
2006-05-31	4.9202
2006-06-30	4.9466
2006-07-31	4.9421
2006-08-31	5.1641
2006-09-30	5.2419
2006-10-31	5.3405
2006-11-30	5.3805
2006-12-31	5.4382
2007-01-31	5.7341
2007-02-28	5.785
2007-03-31	5.7148
2007-04-30	5.8714
2007-05-31	6.005
2007-06-30	6.1986
2007-07-31	6.2995
2007-08-31	6.3645
2007-09-30	6.3658
2007-10-31	6.0787
2007-11-30	5.9668
2007-12-31	5.8568
2008-01-31	5.3525
2008-02-29	5.4069
2008-03-31	5.6658
2008-04-30	5.8089
2008-05-31	5.912
2008-06-30	6.3448
2008-07-31	6.235
2008-08-31	6.0513
2008-09-30	6.0795
2008-10-31	6.2935
2008-11-30	4.5188
2008-12-31	3.4333
2009-01-31	2.5657
2009-02-28	2.3665
2009-03-31	2.1966
2009-04-30	1.9998
2009-05-31	1.8655
2009-06-30	1.8089
2009-07-31	1.6776
2009-08-31	1.4375
2009-09-30	1.1784
2009-10-31	1.183
2009-11-30	1.2405
2009-12-31	1.2798
2010-01-31	1.2893
2010-02-28	1.3
2010-03-31	1.3061
2010-04-30	1.3125
2010-05-31	1.3645
2010-06-30	1.4034
2010-07-31	1.475
2010-08-31	1.475
2010-09-30	1.475
2010-10-31	1.475
2010-11-30	1.475
2010-12-31	1.4855
2011-01-31	1.5123
2011-02-28	1.5113
2011-03-31	1.5402
2011-04-30	1.5611
2011-05-31	1.5413
2011-06-30	1.5636
2011-07-31	1.575
2011-08-31	1.635
2011-09-30	1.7275
2011-10-31	1.7838
2011-11-30	1.8373
2011-12-31	1.8763
2012-01-31	1.9329
2012-02-29	1.9314
2012-03-31	1.9016
2012-04-30	1.8887
2012-05-31	1.8584
2012-06-30	1.7847
2012-07-31	1.6575
2012-08-31	1.4605
2012-09-30	1.3615
2012-10-31	1.1748
2012-11-30	1.0532
2012-12-31	1.01
2013-01-31	0.953
2013-02-28	0.93
2013-03-31	0.88
2013-04-30	0.8529
2013-05-31	0.83
2013-06-30	0.833
2013-07-31	0.845
2013-08-31	0.8448
2013-09-30	0.8612
2013-10-31	0.865
2013-11-30	0.8664
2013-12-31	0.8455
2014-01-31	0.83
2014-02-28	0.8448
2014-03-31	0.8669
2014-04-30	0.8813
2014-05-31	0.946
2014-06-30	0.9631
2014-07-31	0.9828
2014-08-31	1.0168
2014-09-30	1.0618
2014-10-31	1.0583
2014-11-30	1.0405
2014-12-31	1.035
2015-01-31	1.0283
2015-02-28	1.0308
2015-03-31	1.0493
2015-04-30	1.05
2015-05-31	1.05
2015-06-30	1.0473
2015-07-31	1.0552
2015-08-31	1.065
2015-09-30	1.065
2015-10-31	1.0568
2015-11-30	1.0545
2015-12-31	1.0581
2016-01-31	1.0508
2016-02-29	1.0198
2016-03-31	1.015
2016-04-30	1.0183
2016-05-31	1.0175
2016-06-30	0.992
2016-07-31	0.9002
2016-08-31	0.8593
2016-09-30	0.7309
2016-10-31	0.774
2016-11-30	0.79
2016-12-31	0.7815
2017-01-31	0.7583
2017-02-28	0.7298
2017-03-31	0.6907
2017-04-30	0.6894
2017-05-31	0.6669
2017-06-30	0.6441
2017-07-31	0.6612
2017-08-31	0.6441
2017-09-30	0.6645
2017-10-31	0.7375
2017-11-30	0.7723