Month	Percent
1997-01-31	5.9005
1997-02-28	5.985
1997-03-31	5.9651
1997-04-30	5.9618
1997-05-31	6.2154
1997-06-30	6.2227
1997-07-31	6.5192
1997-08-31	6.9488
1997-09-30	6.9772
1997-10-31	7.1462
1997-11-30	7.2269
1997-12-31	7.1379
1998-01-31	7.2679
1998-02-28	7.3406
1998-03-31	7.4033
1998-04-30	7.2519
1998-05-31	7.2596
1998-06-30	7.1409
1998-07-31	7.3283
1998-08-31	7.5309
1998-09-30	7.279
1998-10-31	7.5534
1998-11-30	6.8577
1998-12-31	6.375
1999-01-31	5.9922
1999-02-28	5.7693
1999-03-31	5.5665
1999-04-30	5.3295
1999-05-31	5.2689
1999-06-30	4.8972
1999-07-31	4.997
1999-08-31	4.8419
1999-09-30	4.919
1999-10-31	5.0623
1999-11-30	5.2513
1999-12-31	4.7814
2000-01-31	5.3527
2000-02-29	5.8408
2000-03-31	5.762
2000-04-30	5.9347
2000-05-31	5.9122
2000-06-30	5.9032
2000-07-31	5.9867
2000-08-31	5.8846
2000-09-30	6.1259
2000-10-31	5.8135
2000-11-30	5.9811
2000-12-31	5.7383
2001-01-31	5.9208
2001-02-28	5.8447
2001-03-31	5.4017
2001-04-30	5.3159
2001-05-31	5.5203
2001-06-30	4.7796
2001-07-31	5.2943
2001-08-31	4.8046
2001-09-30	4.8526
2001-10-31	4.5973
2001-11-30	3.5761
2001-12-31	4.5841
2002-01-31	3.7685
2002-02-28	4.0574
2002-03-31	4.0431
2002-04-30	3.752
2002-05-31	3.9273
2002-06-30	3.5006
2002-07-31	3.861
2002-08-31	4.1371
2002-09-30	3.8711
2002-10-31	4.0884
2002-11-30	3.6521
2002-12-31	4.3953
2003-01-31	3.8044
2003-02-28	3.7243
2003-03-31	3.9196
2003-04-30	3.619
2003-05-31	3.6875
2003-06-30	3.6535
2003-07-31	3.2923
2003-08-31	3.5053
2003-09-30	3.5179
2003-10-31	3.355
2003-11-30	3.5483
2003-12-31	3.7778
2004-01-31	3.7159
2004-02-29	4.0873
2004-03-31	3.904
2004-04-30	3.8914
2004-05-31	4.203
2004-06-30	4.3628
2004-07-31	4.4623
2004-08-31	4.63
2004-09-30	4.7314
2004-10-31	4.7297
2004-11-30	4.7408
2004-12-31	4.7618
2005-01-31	4.7599
2005-02-28	4.816
2005-03-31	4.7618
2005-04-30	4.8125
2005-05-31	4.7079
2005-06-30	4.7935
2005-07-31	4.7546
2005-08-31	4.5775
2005-09-30	4.5499
2005-10-31	4.4246
2005-11-30	4.5458
2005-12-31	4.6381
2006-01-31	4.4829
2006-02-28	4.4255
2006-03-31	4.5402
2006-04-30	4.4928
2006-05-31	4.5093
2006-06-30	4.5712
2006-07-31	4.5459
2006-08-31	4.8026
2006-09-30	4.7892
2006-10-31	4.8255
2006-11-30	4.9968
2006-12-31	5.0844
2007-01-31	5.2231
2007-02-28	5.3183
2007-03-31	5.3032
2007-04-30	5.2915
2007-05-31	5.4778
2007-06-30	5.6093
2007-07-31	5.8434
2007-08-31	5.9127
2007-09-30	5.8246
2007-10-31	5.7751
2007-11-30	5.7892
2007-12-31	5.5964
2008-01-31	5.5049
2008-02-29	5.3322
2008-03-31	5.3078
2008-04-30	5.08
2008-05-31	5.0314
2008-06-30	5.0326
2008-07-31	5.0099
2008-08-31	4.997
2008-09-30	4.8925
2008-10-31	4.4115
2008-11-30	2.7846
2008-12-31	1.6525
2009-01-31	1.326
2009-02-28	0.8973
2009-03-31	0.5224
2009-04-30	0.4099
2009-05-31	0.4133
2009-06-30	0.4158
2009-07-31	0.4173
2009-08-31	0.422
2009-09-30	0.4302
2009-10-31	0.4472
2009-11-30	0.4509
2009-12-31	0.4492
2010-01-31	0.4545
2010-02-28	0.4672
2010-03-31	0.4713
2010-04-30	0.4726
2010-05-31	0.4842
2010-06-30	0.487
2010-07-31	0.49
2010-08-31	0.491
2010-09-30	0.501
2010-10-31	0.5083
2010-11-30	0.5086
2010-12-31	0.5173
2011-01-31	0.5059
2011-02-28	0.5084
2011-03-31	0.5154
2011-04-30	0.524
2011-05-31	0.5217
2011-06-30	0.5311
2011-07-31	0.5228
2011-08-31	0.538
2011-09-30	0.5486
2011-10-31	0.5358
2011-11-30	0.5347
2011-12-31	0.5201
2012-01-31	0.5157
2012-02-29	0.4993
2012-03-31	0.49
2012-04-30	0.4861
2012-05-31	0.4848
2012-06-30	0.4859
2012-07-31	0.4646
2012-08-31	0.45
2012-09-30	0.4271
2012-10-31	0.4334
2012-11-30	0.4256
2012-12-31	0.4309
2013-01-31	0.4097
2013-02-28	0.4261
2013-03-31	0.4353
2013-04-30	0.4396
2013-05-31	0.4336
2013-06-30	0.4252
2013-07-31	0.4301
2013-08-31	0.427
2013-09-30	0.4299
2013-10-31	0.4313
2013-11-30	0.43
2013-12-31	0.4215
2014-01-31	0.4287
2014-02-28	0.4197
2014-03-31	0.4159
2014-04-30	0.422
2014-05-31	0.4233
2014-06-30	0.4251
2014-07-31	0.4283
2014-08-31	0.4228
2014-09-30	0.4319
2014-10-31	0.4308
2014-11-30	0.4325
2014-12-31	0.428
2015-01-31	0.4355
2015-02-28	0.4511
2015-03-31	0.4568
2015-04-30	0.4574
2015-05-31	0.462
2015-06-30	0.4566
2015-07-31	0.4549
2015-08-31	0.459
2015-09-30	0.4544
2015-10-31	0.4622
2015-11-30	0.4636
2015-12-31	0.4575
2016-01-31	0.4659
2016-02-29	0.4657
2016-03-31	0.4646
2016-04-30	0.4663
2016-05-31	0.4633
2016-06-30	0.4598
2016-07-31	0.4577
2016-08-31	0.2478
2016-09-30	0.213
2016-10-31	0.212
2016-11-30	0.2108
2016-12-31	0.2125
2017-01-31	0.2135
2017-02-28	0.2106
2017-03-31	0.2095
2017-04-30	0.2114
2017-05-31	0.2126
2017-06-30	0.2121
2017-07-31	0.2124
2017-08-31	0.2132
2017-09-30	0.2123
2017-10-31	0.211
2017-11-30	0.4493
2017-12-31	0.4619
2018-01-31	0.4631
2018-02-28	0.4634
2018-03-31	0.4637
2018-04-30	0.4617
2018-05-31	0.4529
2018-06-30	0.4507
2018-07-31	0.4545
2018-08-31	0.6911
2018-09-30	0.7012
2018-10-31	0.7011
2018-11-30	0.7017
2018-12-31	0.7027
2019-01-31	0.7053
2019-02-28	0.7061
2019-03-31	0.7053
2019-04-30	0.7081
2019-05-31	0.7094
2019-06-30	0.7085
2019-07-31	0.709
2019-08-31	0.7101
2019-09-30	0.7098
2019-10-31	0.7108
2019-11-30	0.7105
2019-12-31	0.7101
2020-01-31	0.7113
2020-02-29	0.7104