Month	Percent
1983-01-31	2.4721
1983-02-28	2.471
1983-03-31	2.4989
1983-04-30	2.5539
1983-05-31	2.893
1983-06-30	2.9451
1983-07-31	3.0684
1983-08-31	2.971
1983-09-30	2.9731
1983-10-31	2.9475
1983-11-30	3.0064
1983-12-31	3.0256
1984-01-31	3.0459
1984-02-29	3.1573
1984-03-31	3.1383
1984-04-30	3.171
1984-05-31	3.4048
1984-06-30	3.4578
1984-07-31	3.6936
1984-08-31	3.4813
1984-09-30	3.4263
1984-10-31	3.0945
1984-11-30	3.1317
1984-12-31	3.1294
1985-01-31	3.1728
1985-02-28	3.0003
1985-03-31	3.1863
1985-04-30	3.2824
1985-05-31	3.3883
1985-06-30	3.4189
1985-07-31	3.3722
1985-08-31	3.3272
1985-09-30	3.3719
1985-10-31	3.4787
1985-11-30	3.52
1985-12-31	3.6534
1986-01-31	3.7069
1986-02-28	3.5664
1986-03-31	3.6406
1986-04-30	3.1667
1986-05-31	3.2227
1986-06-30	3.337
1986-07-31	3.4149
1986-08-31	3.3241
1986-09-30	3.591
1986-10-31	3.6609
1986-11-30	3.6381
1986-12-31	3.7131
1987-01-31	3.5843
1987-02-28	3.3
1987-03-31	3.2901
1987-04-30	3.4489
1987-05-31	3.5127
1987-06-30	3.7039
1987-07-31	3.6879
1987-08-31	3.843
1987-09-30	4.0009
1987-10-31	4.2317
1987-11-30	3.7463
1987-12-31	3.9044
1988-01-31	3.9072
1988-02-29	3.7928
1988-03-31	3.7741
1988-04-30	3.7573
1988-05-31	3.8445
1988-06-30	3.8988
1988-07-31	3.8445
1988-08-31	3.8938
1988-09-30	3.8851
1988-10-31	3.5725
1988-11-30	3.6828
1988-12-31	3.7568
1989-01-31	3.6107
1989-02-28	3.499
1989-03-31	3.4967
1989-04-30	3.5828
1989-05-31	3.7171
1989-06-30	3.6809
1989-07-31	3.4954
1989-08-31	3.4659
1989-09-30	3.5999
1989-10-31	3.5668
1989-11-30	3.6906
1989-12-31	3.5828
1990-01-31	3.731
1990-02-28	3.8911
1990-03-31	4.0564
1990-04-30	4.2259
1990-05-31	4.1273
1990-06-30	4.1017
1990-07-31	4.1943
1990-08-31	4.2403
1990-09-30	4.2836
1990-10-31	4.3118
1990-11-30	4.158
1990-12-31	4.1552
1991-01-31	4.137
1991-02-28	4.1545
1991-03-31	4.1509
1991-04-30	4.138
1991-05-31	4.228
1991-06-30	4.3536
1991-07-31	4.3777
1991-08-31	4.3095
1991-09-30	4.2186
1991-10-31	4.2437
1991-11-30	4.2965
1991-12-31	4.4436
1992-01-31	4.291
1992-02-29	4.3077
1992-03-31	4.5788
1992-04-30	4.4819
1992-05-31	4.2775
1992-06-30	4.3237
1992-07-31	4.5276
1992-08-31	4.6474
1992-09-30	4.1219
1992-10-31	3.7403
1992-11-30	3.9407
1992-12-31	3.8736
1993-01-31	3.7972
1993-02-28	3.594
1993-03-31	3.5136
1993-04-30	3.6836
1993-05-31	3.6521
1993-06-30	3.5879
1993-07-31	3.4554
1993-08-31	3.2856
1993-09-30	3.2083
1993-10-31	3.1967
1993-11-30	3.1279
1993-12-31	2.9191
1994-01-31	2.9982
1994-02-28	3.3249
1994-03-31	3.4641
1994-04-30	3.5375
1994-05-31	3.8909
1994-06-30	3.9735
1994-07-31	3.9966
1994-08-31	3.7685
1994-09-30	3.8726
1994-10-31	3.9009
1994-11-30	3.8703
1994-12-31	3.8828
1995-01-31	3.8881
1995-02-28	3.904
1995-03-31	3.8704
1995-04-30	3.8039
1995-05-31	3.5941
1995-06-30	3.7968
1995-07-31	3.6859
1995-08-31	3.6014
1995-09-30	3.7159
1995-10-31	3.708
1995-11-30	3.5603
1995-12-31	3.5624
1996-01-31	3.6303
1996-02-29	3.8113
1996-03-31	3.8076
1996-04-30	3.7481
1996-05-31	3.9019
1996-06-30	3.8565
1996-07-31	3.8249
1996-08-31	3.7753
1996-09-30	3.6413
1996-10-31	3.6534
1996-11-30	3.5027
1996-12-31	3.5778
1997-01-31	3.5913
1997-02-28	3.4694
1997-03-31	3.615
1997-04-30	3.6032
1997-05-31	3.6888
1997-06-30	3.6306
1997-07-31	3.516
1997-08-31	3.5432
1997-09-30	3.3186
1997-10-31	3.0826
1997-11-30	3.069
1997-12-31	3.0058
1998-01-31	3.0437
1998-02-28	2.9799
1998-03-31	2.8346
1998-04-30	2.8882
1998-05-31	2.7378
1998-06-30	2.7075
1998-07-31	2.6357
1998-08-31	2.4728
1998-09-30	2.5362
1998-10-31	2.5164
1998-11-30	2.3157
1998-12-31	2.0324
1999-01-31	1.9822
1999-02-28	1.9796
1999-03-31	1.8653
1999-04-30	1.966
1999-05-31	1.974
1999-06-30	2.0114
1999-07-31	2.0628
1999-08-31	2.2735
1999-09-30	2.2646
1999-10-31	2.1644
1999-11-30	1.9987
1999-12-31	1.9587
2000-01-31	2.1861
2000-02-29	2.0442
2000-03-31	1.9932
2000-04-30	2.0039
2000-05-31	2.0756
2000-06-30	1.9631
2000-07-31	2.1344
2000-08-31	2.1732
2000-09-30	2.1804
2000-10-31	2.202
2000-11-30	2.0605
2000-12-31	2.0881
2001-01-31	2.0507
2001-02-28	2.1284
2001-03-31	2.3406
2001-04-30	2.608
2001-05-31	2.5473
2001-06-30	2.491
2001-07-31	2.4832
2001-08-31	2.3341
2001-09-30	2.4959
2001-10-31	2.2614
2001-11-30	2.3683
2001-12-31	2.5389
2002-01-31	2.4056
2002-02-28	2.3762
2002-03-31	2.3896
2002-04-30	2.4217
2002-05-31	2.3799
2002-06-30	2.2607
2002-07-31	2.4761
2002-08-31	2.2088
2002-09-30	2.2037
2002-10-31	2.2795
2002-11-30	2.3964
2002-12-31	2.159
2003-01-31	2.0344
2003-02-28	1.9101
2003-03-31	1.9748
2003-04-30	1.9996
2003-05-31	1.8056
2003-06-30	1.8353
2003-07-31	2.0421
2003-08-31	2.0533
2003-09-30	1.9347
2003-10-31	2.2366
2003-11-30	2.2353
2003-12-31	1.9552
2004-01-31	2.0285
2004-02-29	1.8889
2004-03-31	1.8062
2004-04-30	1.9781
2004-05-31	2.0676
2004-06-30	2.0543
2004-07-31	2.115
2004-08-31	1.9399
2004-09-30	1.8797
2004-10-31	1.8533
2004-11-30	1.7913
2004-12-31	1.7057
2005-01-31	1.7609
2005-02-28	1.8458
2005-03-31	1.8217
2005-04-30	1.7412
2005-05-31	1.6864
2005-06-30	1.5405
2005-07-31	1.6478
2005-08-31	1.4624
2005-09-30	1.5165
2005-10-31	1.5246
2005-11-30	1.4638
2005-12-31	1.3179
2006-01-31	1.2791
2006-02-28	1.3461
2006-03-31	1.4593
2006-04-30	1.6535
2006-05-31	1.628
2006-06-30	1.7572
2006-07-31	1.597
2006-08-31	1.4513
2006-09-30	1.5478
2006-10-31	1.4903
2006-11-30	1.494
2006-12-31	1.7156
2007-01-31	1.9784
2007-02-28	1.741
2007-03-31	1.9268
2007-04-30	2.0234
2007-05-31	2.2749
2007-06-30	2.3682
2007-07-31	2.1869
2007-08-31	1.9767
2007-09-30	1.9053
2007-10-31	1.8487
2007-11-30	1.5451
2007-12-31	1.516
2008-01-31	1.429
2008-02-29	1.27
2008-03-31	0.9141
2008-04-30	1.3818
2008-05-31	1.6237
2008-06-30	1.44
2008-07-31	1.7064
2008-08-31	1.17
2008-09-30	1.4556
2008-10-31	2.6646
2008-11-30	3.4596
2008-12-31	1.8099
2009-01-31	1.4533
2009-02-28	1.1517
2009-03-31	1.661
2009-04-30	1.0804
2009-05-31	0.9865
2009-06-30	1.125
2009-07-31	1.2833
2009-08-31	0.8811
2009-09-30	0.7933
2009-10-31	0.5925
2009-11-30	0.4943
2009-12-31	0.6875
2010-01-31	0.5438
2010-02-28	0.3443
2010-03-31	0.1932
2010-04-30	0.1079
2010-05-31	0.2594
2010-06-30	0.0313
2010-07-31	0.1455
2010-08-31	-0.3094
2010-09-30	-0.2737
2010-10-31	-0.3468
2010-11-30	-0.1851
2010-12-31	-0.1542
2011-01-31	-0.1203
2011-02-28	-0.2663
2011-03-31	-0.1942
2011-04-30	-0.3616
2011-05-31	-0.6054
2011-06-30	-0.7191
2011-07-31	-1.2993
2011-08-31	-1.2186
2011-09-30	-1.3245
2011-10-31	-1.3773
2011-11-30	-1.3122
2011-12-31	-1.4679
2012-01-31	-1.5687
2012-02-29	-1.8386
2012-03-31	-1.7801
2012-04-30	-1.6412
2012-05-31	-1.9184
2012-06-30	-1.6156
2012-07-31	-1.8351
2012-08-31	-2.0848
2012-09-30	-1.8475
2012-10-31	-1.7927
2012-11-30	-1.8836
2012-12-31	-1.8369
2013-01-31	-2.1644
2013-02-28	-2.65
2013-03-31	-2.7892
2013-04-30	-2.5115
2013-05-31	-2.1985
2013-06-30	-1.7077
2013-07-31	-2.0461
2013-08-31	-1.9971
2013-09-30	-2.0353
2013-10-31	-2.1221
2013-11-30	-1.9612
2013-12-31	-1.8676
2014-01-31	-1.8362
2014-02-28	-1.9535
2014-03-31	-1.9094
2014-04-30	-1.9618
2014-05-31	-1.8643
2014-06-30	-1.6245
2014-07-31	-1.6393
2014-08-31	-1.8621
2014-09-30	-1.7869
2014-10-31	-1.6678
2014-11-30	-1.5664
2014-12-31	-1.5025
2015-01-31	-1.2114
2015-02-28	-2.0081
2015-03-31	-1.7416
2015-04-30	-1.7214
2015-05-31	-1.5921
2015-06-30	-1.5215
2015-07-31	-1.2837
2015-08-31	-1.4886
2015-09-30	-1.5132
2015-10-31	-1.7281
2015-11-30	-1.9289
2015-12-31	0.5648
2016-01-31	0.4842
2016-02-29	0.4996
2016-03-31	0.4987
2016-04-30	0.4601
2016-05-31	0.4476
2016-06-30	0.4153