Month	Percent
1996-01-31	5.3243
1996-02-29	5.982
1996-03-31	5.9386
1996-04-30	5.949
1996-05-31	5.9329
1996-06-30	5.731
1996-07-31	5.6274
1996-08-31	5.6662
1996-09-30	5.699
1996-10-31	5.8909
1996-11-30	6.3195
1996-12-31	6.3355
1997-01-31	6.2982
1997-02-28	6.152
1997-03-31	6.1932
1997-04-30	6.3927
1997-05-31	6.4243
1997-06-30	6.5895
1997-07-31	6.9133
1997-08-31	7.0868
1997-09-30	7.1205
1997-10-31	7.1335
1997-11-30	7.3545
1997-12-31	7.3793
1998-01-31	7.2693
1998-02-28	7.2078
1998-03-31	7.2414
1998-04-30	7.1808
1998-05-31	7.1484
1998-06-30	7.4168
1998-07-31	7.5085
1998-08-31	7.338
1998-09-30	6.9143
1998-10-31	6.5564
1998-11-30	6.2281
1998-12-31	5.6521
1999-01-31	5.2665
1999-02-28	5.025
1999-03-31	4.9507
1999-04-30	4.932
1999-05-31	4.9992
1999-06-30	4.8852
1999-07-31	4.795
1999-08-31	5.0398
1999-09-30	5.2914
1999-10-31	5.5855
1999-11-30	5.5845
1999-12-31	5.8205
2000-01-31	6.1155
2000-02-29	6.1783
2000-03-31	6.1637
2000-04-30	6.1672
2000-05-31	6.1348
2000-06-30	6.0161
2000-07-31	5.956
2000-08-31	5.9893
2000-09-30	5.964
2000-10-31	5.8836
2000-11-30	5.7861
2000-12-31	5.6584
2001-01-31	5.4902
2001-02-28	5.4275
2001-03-31	5.2116
2001-04-30	5.0837
2001-05-31	4.9938
2001-06-30	5.0957
2001-07-31	5.1043
2001-08-31	4.7868
2001-09-30	4.4538
2001-10-31	4.1748
2001-11-30	3.7943
2001-12-31	3.8489
2002-01-31	3.9755
2002-02-28	4.0048
2002-03-31	4.1315
2002-04-30	4.1712
2002-05-31	4.1741
2002-06-30	4.1928
2002-07-31	3.9957
2002-08-31	3.8198
2002-09-30	3.814
2002-10-31	3.765
2002-11-30	3.8024
2002-12-31	3.844
2003-01-31	3.7818
2003-02-28	3.505
2003-03-31	3.4126
2003-04-30	3.4114
2003-05-31	3.4033
2003-06-30	3.3936
2003-07-31	3.2915
2003-08-31	3.4385
2003-09-30	3.5502
2003-10-31	3.7802
2003-11-30	3.9813
2003-12-31	3.9595
2004-01-31	4.0102
2004-02-29	4.104
2004-03-31	4.2415
2004-04-30	4.3675
2004-05-31	4.5168
2004-06-30	4.7991
2004-07-31	4.8268
2004-08-31	4.8883
2004-09-30	4.8432
2004-10-31	4.7712
2004-11-30	4.7459
2004-12-31	4.7157
2005-01-31	4.7065
2005-02-28	4.7803
2005-03-31	4.8876
2005-04-30	4.8038
2005-05-31	4.7118
2005-06-30	4.6473
2005-07-31	4.4238
2005-08-31	4.4102
2005-09-30	4.408
2005-10-31	4.4112
2005-11-30	4.457
2005-12-31	4.4515
2006-01-31	4.4121
2006-02-28	4.4148
2006-03-31	4.4548
2006-04-30	4.4956
2006-05-31	4.6176
2006-06-30	4.6357
2006-07-31	4.6312
2006-08-31	4.8741
2006-09-30	4.975
2006-10-31	5.0786
2006-11-30	5.142
2006-12-31	5.1984
2007-01-31	5.4566
2007-02-28	5.533
2007-03-31	5.4945
2007-04-30	5.6021
2007-05-31	5.7288
2007-06-30	5.8598
2007-07-31	5.9907
2007-08-31	5.9241
2007-09-30	5.7658
2007-10-31	5.6598
2007-11-30	5.5536
2007-12-31	5.3879
2008-01-31	5.1286
2008-02-29	5.0071
2008-03-31	4.9879
2008-04-30	4.8643
2008-05-31	5.001
2008-06-30	5.2962
2008-07-31	5.2576
2008-08-31	5.195
2008-09-30	4.9598
2008-10-31	4.0628
2008-11-30	2.1928
2008-12-31	1.3543
2009-01-31	1.0136
2009-02-28	0.8228
2009-03-31	0.703
2009-04-30	0.736
2009-05-31	0.6208
2009-06-30	0.6227
2009-07-31	0.5113
2009-08-31	0.4803
2009-09-30	0.3923
2009-10-31	0.4475
2009-11-30	0.4581
2009-12-31	0.4957
2010-01-31	0.525
2010-02-28	0.5288
2010-03-31	0.5383
2010-04-30	0.5408
2010-05-31	0.5534
2010-06-30	0.5466
2010-07-31	0.5498
2010-08-31	0.5407
2010-09-30	0.5491
2010-10-31	0.5512
2010-11-30	0.565
2010-12-31	0.5867
2011-01-31	0.6393
2011-02-28	0.7418
2011-03-31	0.717
2011-04-30	0.7211
2011-05-31	0.6393
2011-06-30	0.5886
2011-07-31	0.5674
2011-08-31	0.542
2011-09-30	0.537
2011-10-31	0.5367
2011-11-30	0.5175
2011-12-31	0.485
2012-01-31	0.4771
2012-02-29	0.4679
2012-03-31	0.4759
2012-04-30	0.4776
2012-05-31	0.4591
2012-06-30	0.4316
2012-07-31	0.423
2012-08-31	0.392
2012-09-30	0.4253
2012-10-31	0.4146
2012-11-30	0.4139
2012-12-31	0.4387
2013-01-31	0.4459
2013-02-28	0.4288
2013-03-31	0.4243