Month	Percent
1979-01-31	11.8791
1979-02-28	12.0355
1979-03-31	10.4494
1979-04-30	10.1133
1979-05-31	10.731
1979-06-30	11.0885
1979-07-31	10.2207
1979-08-31	10.3246
1979-09-30	10.5359
1979-10-31	11.0111
1979-11-30	12.3982
1979-12-31	12.2547
1980-01-31	11.0097
1980-02-29	10.8759
1980-03-31	11.8057
1980-04-30	11.3614
1980-05-31	10.7661
1980-06-30	10.7875
1980-07-31	10.5739
1980-08-31	11.0593
1980-09-30	10.7739
1980-10-31	10.628
1980-11-30	10.9937
1980-12-31	11.4182
1981-01-31	11.3195
1981-02-28	11.2117
1981-03-31	11.0997
1981-04-30	11.1691
1981-05-31	12.0895
1981-06-30	12.0992
1981-07-31	12.494
1981-08-31	12.5786
1981-09-30	12.9849
1981-10-31	13.5728
1981-11-30	13.2641
1981-12-31	12.9993
1982-01-31	13.0529
1982-02-28	12.4289
1982-03-31	11.7416
1982-04-30	12.3158
1982-05-31	12.382
1982-06-30	12.2943
1982-07-31	11.8991
1982-08-31	11.1479
1982-09-30	10.4218
1982-10-31	9.8012
1982-11-30	9.892
1982-12-31	10.5982
1983-01-31	10.6551
1983-02-28	10.5373
1983-03-31	9.8981
1983-04-30	9.6567
1983-05-31	10.0483
1983-06-30	9.668
1983-07-31	9.9724
1983-08-31	10.0741
1983-09-30	9.749
1983-10-31	9.703
1983-11-30	9.8038
1983-12-31	9.7727
1984-01-31	9.6285
1984-02-29	9.6239
1984-03-31	9.4112
1984-04-30	9.5975
1984-05-31	10.2846
1984-06-30	10.4111
1984-07-31	10.6349
1984-08-31	10.0808
1984-09-30	9.8935
1984-10-31	9.7987
1984-11-30	9.6887
1984-12-31	9.7524
1985-01-31	10.0948
1985-02-28	10.1051
1985-03-31	9.9805
1985-04-30	9.8657
1985-05-31	10.338
1985-06-30	10.1267
1985-07-31	9.8606
1985-08-31	9.6913
1985-09-30	9.655
1985-10-31	9.5671
1985-11-30	9.9489
1985-12-31	9.9029
1986-01-31	10.0766
1986-02-28	9.8382
1986-03-31	9.0385
1986-04-30	8.4997
1986-05-31	8.6258
1986-06-30	8.8189
1986-07-31	9.0975
1986-08-31	9.1899
1986-09-30	9.6107
1986-10-31	10.0747
1986-11-30	10.2667
1986-12-31	10.1728
1987-01-31	9.7378
1987-02-28	9.5162
1987-03-31	8.9249
1987-04-30	8.9464
1987-05-31	8.7309
1987-06-30	8.8111
1987-07-31	9.0695
1987-08-31	9.6116
1987-09-30	9.6855
1987-10-31	9.4718
1987-11-30	8.7652
1987-12-31	9.2038
1988-01-31	9.2613
1988-02-29	9.1325
1988-03-31	8.9043
1988-04-30	8.8569
1988-05-31	8.9615
1988-06-30	9.0333
1988-07-31	9.1918
1988-08-31	9.079
1988-09-30	9.201
1988-10-31	8.8242
1988-11-30	8.7867
1988-12-31	8.8786
1989-01-31	8.8736
1989-02-28	8.743
1989-03-31	8.7932
1989-04-30	9.0576
1989-05-31	9.0646
1989-06-30	9.3893
1989-07-31	9.1689
1989-08-31	9.0467
1989-09-30	9.2668
1989-10-31	9.4925
1989-11-30	9.6891
1989-12-31	9.6946
1990-01-31	9.9145
1990-02-28	10.2995
1990-03-31	11.0669
1990-04-30	11.3617
1990-05-31	11.0659
1990-06-30	10.6819
1990-07-31	10.7801
1990-08-31	11.1826
1990-09-30	11.0982
1990-10-31	10.9707
1990-11-30	10.7817
1990-12-31	10.306
1991-01-31	10.1381
1991-02-28	9.83
1991-03-31	9.9884
1991-04-30	9.9297
1991-05-31	10.0582
1991-06-30	10.2368
1991-07-31	10.0142
1991-08-31	9.8421
1991-09-30	9.54
1991-10-31	9.6112
1991-11-30	9.6462
1991-12-31	9.5508
1992-01-31	9.3616
1992-02-29	9.2554
1992-03-31	9.5682
1992-04-30	9.3896
1992-05-31	9.0856
1992-06-30	9.1334
1992-07-31	8.9784
1992-08-31	9.1569
1992-09-30	9.1818
1992-10-31	9.2887
1992-11-30	8.8647
1992-12-31	8.9175
1993-01-31	8.938
1993-02-28	8.7209
1993-03-31	8.4564
1993-04-30	8.4873
1993-05-31	8.6364
1993-06-30	8.4723
1993-07-31	8.1101
1993-08-31	7.5375
1993-09-30	7.3578
1993-10-31	7.1979
1993-11-30	7.122
1993-12-31	6.607
1994-01-31	6.5476
1994-02-28	6.8798
1994-03-31	7.5506
1994-04-30	7.8385
1994-05-31	8.1654
1994-06-30	8.4694
1994-07-31	8.3485
1994-08-31	8.4555
1994-09-30	8.625
1994-10-31	8.5387
1994-11-30	8.4503
1994-12-31	8.3555
1995-01-31	8.5201
1995-02-28	8.4456
1995-03-31	8.4056
1995-04-30	8.3026
1995-05-31	8.1067
1995-06-30	8.1323
1995-07-31	8.3496
1995-08-31	8.2143
1995-09-30	8.0988
1995-10-31	8.3239
1995-11-30	7.9911
1995-12-31	7.7644
1996-01-31	7.7999
1996-02-29	8.1076
1996-03-31	8.333
1996-04-30	8.2922
1996-05-31	8.33
1996-06-30	8.3318
1996-07-31	8.2456
1996-08-31	8.1602
1996-09-30	8.165
1996-10-31	7.8912
1996-11-30	7.8213
1996-12-31	7.7313
1997-01-31	7.7484
1997-02-28	7.4005
1997-03-31	7.632
1997-04-30	7.7885
1997-05-31	7.2667
1997-06-30	7.2141
1997-07-31	7.0144
1997-08-31	7.0553
1997-09-30	6.8183
1997-10-31	6.5465
1997-11-30	6.5809
1997-12-31	6.3736
1998-01-31	6.1262
1998-02-28	6.0728
1998-03-31	5.991
1998-04-30	5.8093
1998-05-31	5.8597
1998-06-30	5.6623
1998-07-31	5.7085
1998-08-31	5.5213
1998-09-30	5.101
1998-10-31	5.0158
1998-11-30	4.9093
1998-12-31	4.6047
1999-01-31	4.4574
1999-02-28	4.5693
1999-03-31	4.7299
1999-04-30	4.6558
1999-05-31	4.906
1999-06-30	5.0044
1999-07-31	4.9805
1999-08-31	4.9174
1999-09-30	5.071
1999-10-31	5.0773
1999-11-30	4.59
1999-12-31	4.6919
2000-01-31	4.9951
2000-02-29	4.9
2000-03-31	4.7449
2000-04-30	4.8192
2000-05-31	4.8691
2000-06-30	4.7701
2000-07-31	4.785
2000-08-31	4.8755
2000-09-30	4.9752
2000-10-31	4.8876
2000-11-30	4.6885
2000-12-31	4.5974
2001-01-31	4.6154
2001-02-28	4.6809
2001-03-31	4.6815
2001-04-30	4.9686
2001-05-31	5.1058
2001-06-30	5.2097
2001-07-31	5.1555
2001-08-31	4.936
2001-09-30	5.037
2001-10-31	4.8976
2001-11-30	4.6437
2001-12-31	4.8633
2002-01-31	4.9099
2002-02-28	4.9514
2002-03-31	5.2322
2002-04-30	5.2455
2002-05-31	5.2929
2002-06-30	5.1282
2002-07-31	5.008
2002-08-31	4.7365
2002-09-30	4.538
2002-10-31	4.6547
2002-11-30	4.7038
2002-12-31	4.6681
2003-01-31	4.5199
2003-02-28	4.4236
2003-03-31	4.5563
2003-04-30	4.6865
2003-05-31	4.4678
2003-06-30	4.3856
2003-07-31	4.6491
2003-08-31	4.714
2003-09-30	4.7975
2003-10-31	4.8753
2003-11-30	4.9139
2003-12-31	4.7775
2004-01-31	4.7032
2004-02-29	4.7266
2004-03-31	4.6287
2004-04-30	4.808
2004-05-31	4.9132
2004-06-30	4.8765
2004-07-31	4.8126
2004-08-31	4.702
2004-09-30	4.6668
2004-10-31	4.6082
2004-11-30	4.5152
2004-12-31	4.4375
2005-01-31	4.4833
2005-02-28	4.4844
2005-03-31	4.696
2005-04-30	4.5838
2005-05-31	4.4174
2005-06-30	4.3133
2005-07-31	4.3558
2005-08-31	4.3483
2005-09-30	4.2501
2005-10-31	4.3295
2005-11-30	4.2329
2005-12-31	4.1228
2006-01-31	3.8813
2006-02-28	3.9383
2006-03-31	4.0598
2006-04-30	4.2745
2006-05-31	4.3046
2006-06-30	4.3426
2006-07-31	4.3165
2006-08-31	4.2778
2006-09-30	4.1703
2006-10-31	4.1622
2006-11-30	4.1044
2006-12-31	4.2033
2007-01-31	4.3454
2007-02-28	4.4033
2007-03-31	4.3602
2007-04-30	4.5682
2007-05-31	4.6378
2007-06-30	4.8403
2007-07-31	4.7621
2007-08-31	4.5613
2007-09-30	4.5465
2007-10-31	4.5581
2007-11-30	4.4646
2007-12-31	4.4829
2008-01-31	4.3868
2008-02-29	4.5328
2008-03-31	4.4273
2008-04-30	4.5614
2008-05-31	4.6136
2008-06-30	4.7475
2008-07-31	4.6878
2008-08-31	4.5277
2008-09-30	4.5287
2008-10-31	4.4356
2008-11-30	4.5383
2008-12-31	4.058
2009-01-31	4.2094
2009-02-28	4.3685
2009-03-31	4.2718
2009-04-30	4.4666
2009-05-31	4.6108
2009-06-30	4.6776
2009-07-31	4.6026
2009-08-31	4.4072
2009-09-30	4.3228
2009-10-31	4.3486
2009-11-30	4.4801
2009-12-31	4.659
2010-01-31	4.7027
2010-02-28	4.8031
2010-03-31	4.8545
2010-04-30	4.8499
2010-05-31	4.6245
2010-06-30	4.531
2010-07-31	4.5002
2010-08-31	4.3345
2010-09-30	4.2995
2010-10-31	4.3037
2010-11-30	4.514
2010-12-31	4.6636
2011-01-31	4.739
2011-02-28	4.7939
2011-03-31	4.658
2011-04-30	4.6437
2011-05-31	4.5086
2011-06-30	4.5054
2011-07-31	4.4917
2011-08-31	4.1847
2011-09-30	3.9723
2011-10-31	3.8561
2011-11-30	3.6387
2011-12-31	3.6707
2012-01-31	3.6409
2012-02-29	3.8456
2012-03-31	3.8889
2012-04-30	3.8589
2012-05-31	3.6825
2012-06-30	3.5754
2012-07-31	3.5142
2012-08-31	3.5288
2012-09-30	3.6237
2012-10-31	3.6661
2012-11-30	3.6537
2012-12-31	3.8203
2013-01-31	4.0022
2013-02-28	4.1328
2013-03-31	4.0074
2013-04-30	3.8541
2013-05-31	3.9994
2013-06-30	4.1555
2013-07-31	4.2205
2013-08-31	4.2649
2013-09-30	4.3099
2013-10-31	4.1939
2013-11-30	4.2504
2013-12-31	4.3122
2014-01-31	4.278
2014-02-28	4.2377
2014-03-31	4.2175
2014-04-30	4.1832
2014-05-31	4.1294
2014-06-30	4.1632
2014-07-31	4.0897
2014-08-31	3.865
2014-09-30	3.8852
2014-10-31	3.7498
2014-11-30	3.715
2014-12-31	0.7239
2015-01-31	0.4035
2015-02-28	0.3551
2015-03-31	0
2015-04-30	0
2015-05-31	0
2015-06-30	0
2015-07-31	0
2015-08-31	0
2015-09-30	0