Month	Percent
1983-02-28	2.4106
1983-03-31	2.4207
1983-04-30	2.4837
1983-05-31	2.6646
1983-06-30	2.8937
1983-07-31	3.0578
1983-08-31	3.042
1983-09-30	2.9552
1983-10-31	2.9466
1983-11-30	2.9612
1983-12-31	3.0002
1984-01-31	3.0299
1984-02-29	3.0763
1984-03-31	3.1988
1984-04-30	3.1381
1984-05-31	3.2296
1984-06-30	3.4161
1984-07-31	3.6183
1984-08-31	3.5033
1984-09-30	3.4808
1984-10-31	3.2047
1984-11-30	3.1292
1984-12-31	3.103
1985-01-31	3.2064
1985-02-28	3.1279
1985-03-31	3.068
1985-04-30	3.2448
1985-05-31	3.3322
1985-06-30	3.3971
1985-07-31	3.4195
1985-08-31	3.352
1985-09-30	3.3422
1985-10-31	3.3912
1985-11-30	3.5102
1985-12-31	3.5838
1986-01-31	3.7434
1986-02-28	3.6446
1986-03-31	3.6247
1986-04-30	3.332
1986-05-31	3.1614
1986-06-30	3.2517
1986-07-31	3.3834
1986-08-31	3.3623
1986-09-30	3.4129
1986-10-31	3.6395
1986-11-30	3.6826
1986-12-31	3.6498
1987-01-31	3.6061
1987-02-28	3.4186
1987-03-31	3.2958
1987-04-30	3.3744
1987-05-31	3.4499
1987-06-30	3.6055
1987-07-31	3.6746
1987-08-31	3.8255
1987-09-30	3.9045
1987-10-31	4.1939
1987-11-30	3.8909
1987-12-31	3.8219
1988-01-31	4.0211
1988-02-29	3.8401
1988-03-31	3.8171
1988-04-30	3.7488
1988-05-31	3.7835
1988-06-30	3.8612
1988-07-31	3.9081
1988-08-31	3.8505
1988-09-30	3.9169
1988-10-31	3.74
1988-11-30	3.6258
1988-12-31	3.7161
1989-01-31	3.6857
1989-02-28	3.5253
1989-03-31	3.461
1989-04-30	3.5739
1989-05-31	3.6007
1989-06-30	3.7518
1989-07-31	3.5813
1989-08-31	3.4697
1989-09-30	3.5244
1989-10-31	3.6351
1989-11-30	3.6308
1989-12-31	3.6098
1990-01-31	3.6754
1990-02-28	3.8453
1990-03-31	4.0283
1990-04-30	4.1099
1990-05-31	4.1128
1990-06-30	4.0655
1990-07-31	4.1918
1990-08-31	4.1833
1990-09-30	4.2586
1990-10-31	4.3113
1990-11-30	4.2073
1990-12-31	4.1328
1991-01-31	4.1597
1991-02-28	4.1434
1991-03-31	4.1751
1991-04-30	4.1111
1991-05-31	4.1694
1991-06-30	4.3011
1991-07-31	4.3533
1991-08-31	4.3663
1991-09-30	4.2259
1991-10-31	4.2311
1991-11-30	4.2478
1991-12-31	4.3617
1992-01-31	4.3119
1992-02-29	4.29
1992-03-31	4.4652
1992-04-30	4.5435
1992-05-31	4.3712
1992-06-30	4.2994
1992-07-31	4.3666
1992-08-31	4.5261
1992-09-30	4.4677
1992-10-31	4.0042
1992-11-30	3.8138
1992-12-31	3.965
1993-01-31	3.8607
1993-02-28	3.686
1993-03-31	3.554
1993-04-30	3.5659
1993-05-31	3.672
1993-06-30	3.6306
1993-07-31	3.5403
1993-08-31	3.3477
1993-09-30	3.2379
1993-10-31	3.1714
1993-11-30	3.1775
1993-12-31	3.0235
1994-01-31	3.0058
1994-02-28	3.1566
1994-03-31	3.3978
1994-04-30	3.4995
1994-05-31	3.6728
1994-06-30	3.8964
1994-07-31	3.9182
1994-08-31	3.8459
1994-09-30	3.8864
1994-10-31	3.8856
1994-11-30	3.8689
1994-12-31	3.8796
1995-01-31	3.909
1995-02-28	3.894
1995-03-31	3.8918
1995-04-30	3.8106
1995-05-31	3.6437
1995-06-30	3.6717
1995-07-31	3.7067
1995-08-31	3.6159
1995-09-30	3.5969
1995-10-31	3.7411
1995-11-30	3.6177
1995-12-31	3.5507
1996-01-31	3.5781
1996-02-29	3.7043
1996-03-31	3.8184
1996-04-30	3.765
1996-05-31	3.8353
1996-06-30	3.8785
1996-07-31	3.8199
1996-08-31	3.7458
1996-09-30	3.7434
1996-10-31	3.5951
1996-11-30	3.5945
1996-12-31	3.582
1997-01-31	3.6268
1997-02-28	3.4381
1997-03-31	3.5533
1997-04-30	3.6539
1997-05-31	3.6121
1997-06-30	3.6548
1997-07-31	3.5422
1997-08-31	3.5362
1997-09-30	3.4431
1997-10-31	3.1721
1997-11-30	3.1456
1997-12-31	3.016
1998-01-31	3.0009
1998-02-28	2.9771
1998-03-31	2.9046
1998-04-30	2.869
1998-05-31	2.8634
1998-06-30	2.6913
1998-07-31	2.6503
1998-08-31	2.5788
1998-09-30	2.5145
1998-10-31	2.5925
1998-11-30	2.3636
1998-12-31	2.1257
1999-01-31	2.051
1999-02-28	1.9738
1999-03-31	1.9309
1999-04-30	1.8078
1999-05-31	2.0111
1999-06-30	1.9861
1999-07-31	1.9924
1999-08-31	2.1882
1999-09-30	2.3121
1999-10-31	2.2819
1999-11-30	2.0159
1999-12-31	1.9715
2000-01-31	2.0996
2000-02-29	2.0763
2000-03-31	1.9324
2000-04-30	1.9765
2000-05-31	2.0406
2000-06-30	2.0145
2000-07-31	2.0455
2000-08-31	2.135
2000-09-30	2.1603
2000-10-31	2.2018
2000-11-30	2.1655
2000-12-31	2.0707
2001-01-31	2.0693
2001-02-28	2.0916
2001-03-31	2.1716
2001-04-30	2.4155
2001-05-31	2.4515
2001-06-30	2.4374
2001-07-31	2.4753
2001-08-31	2.3345
2001-09-30	2.453
2001-10-31	2.4694
2001-11-30	2.2851
2001-12-31	2.4619
2002-01-31	2.4217
2002-02-28	2.3967
2002-03-31	2.4393
2002-04-30	2.3615
2002-05-31	2.376
2002-06-30	2.2781
2002-07-31	2.3678
2002-08-31	2.2759
2002-09-30	2.1724
2002-10-31	2.3548
2002-11-30	2.3458
2002-12-31	2.2865
2003-01-31	2.0924
2003-02-28	1.8931
2003-03-31	1.9748
2003-04-30	2.0069
2003-05-31	1.867
2003-06-30	1.7463
2003-07-31	1.9368
2003-08-31	2.006
2003-09-30	2.0897
2003-10-31	2.1655
2003-11-30	2.2186
2003-12-31	2.049
2004-01-31	1.9497
2004-02-29	1.9634
2004-03-31	1.8109
2004-04-30	1.9295
2004-05-31	2.039
2004-06-30	2.0771
2004-07-31	2.0554
2004-08-31	1.9993
2004-09-30	1.9363
2004-10-31	1.8621
2004-11-30	1.8391
2004-12-31	1.7194
2005-01-31	1.7131
2005-02-28	1.7695
2005-03-31	1.9242
2005-04-30	1.7917
2005-05-31	1.6953
2005-06-30	1.6445
2005-07-31	1.6341
2005-08-31	1.5927
2005-09-30	1.4908
2005-10-31	1.5458
2005-11-30	1.5164
2005-12-31	1.441
2006-01-31	1.2638
2006-02-28	1.3158
2006-03-31	1.4362
2006-04-30	1.5488
2006-05-31	1.6522
2006-06-30	1.7118
2006-07-31	1.6706
2006-08-31	1.5736
2006-09-30	1.5199
2006-10-31	1.6169
2006-11-30	1.5293
2006-12-31	1.6118
2007-01-31	1.8519
2007-02-28	1.8892
2007-03-31	1.7877
2007-04-30	2.0075
2007-05-31	2.1676
2007-06-30	2.3527
2007-07-31	2.3294
2007-08-31	2.0993
2007-09-30	1.9054
2007-10-31	1.8587
2007-11-30	1.5872
2007-12-31	1.6169
2008-01-31	1.4338
2008-02-29	1.4393
2008-03-31	1.0549
2008-04-30	1.2435
2008-05-31	1.4709
2008-06-30	1.564
2008-07-31	1.4846
2008-08-31	1.3978
2008-09-30	1.4187
2008-10-31	2.2925
2008-11-30	3.1171
2008-12-31	2.5187
2009-01-31	1.6275
2009-02-28	1.2291
2009-03-31	1.1751
2009-04-30	1.0694
2009-05-31	1.05
2009-06-30	1.1291
2009-07-31	1.2982
2009-08-31	1.0818
2009-09-30	0.9167
2009-10-31	0.5401
2009-11-30	0.6252
2009-12-31	0.8619
2010-01-31	0.5626
2010-02-28	0.5495
2010-03-31	0.3501
2010-04-30	0.1706
2010-05-31	0.1791
2010-06-30	0.19
2010-07-31	0.1826
2010-08-31	-0.0987
2010-09-30	-0.2554
2010-10-31	-0.3619
2010-11-30	-0.2783
2010-12-31	-0.0268
2011-01-31	-0.1218
2011-02-28	-0.0439
2011-03-31	-0.2667
2011-04-30	-0.223
2011-05-31	-0.5146
2011-06-30	-0.7284
2011-07-31	-0.95
2011-08-31	-1.3439
2011-09-30	-1.3529
2011-10-31	-1.374
2011-11-30	-1.4249
2011-12-31	-1.4433
2012-01-31	-1.5623
2012-02-29	-1.6281
2012-03-31	-1.7615
2012-04-30	-1.7371
2012-05-31	-1.823
2012-06-30	-1.7117
2012-07-31	-1.7497
2012-08-31	-1.9378
2012-09-30	-1.992
2012-10-31	-1.8243
2012-11-30	-1.8041
2012-12-31	-1.8517
2013-01-31	-1.9842
2013-02-28	-2.4397
2013-03-31	-2.7763
2013-04-30	-2.6916
2013-05-31	-2.3157
2013-06-30	-1.8777
2013-07-31	-2.0357
2013-08-31	-1.9625
2013-09-30	-1.9436
2013-10-31	-2.0943
2013-11-30	-2.0159
2013-12-31	-1.9076
2014-01-31	-1.82
2014-02-28	-1.8069
2014-03-31	-1.9908
2014-04-30	-1.9323
2014-05-31	-1.918
2014-06-30	-1.7072
2014-07-31	-1.6114
2014-08-31	-1.7185
2014-09-30	-1.8224
2014-10-31	-1.7142
2014-11-30	-1.6425
2014-12-31	-1.4658
2015-01-31	-1.3773
2015-02-28	-1.5975
2015-03-31	-1.8865
2015-04-30	-1.7296
2015-05-31	-1.7196
2015-06-30	-1.5778
2015-07-31	-1.3689
2015-08-31	-1.318
2015-09-30	-1.5158
2015-10-31	-1.7273
2015-11-30	-1.8182
2015-12-31	-0.5872
2016-01-31	0.5164
2016-02-29	0.4827
2016-03-31	0.4885
2016-04-30	0.4771
2016-05-31	0.4681
2016-06-30	0.4519
2016-07-31	0.4238