Month	Percent
1987-01-01	10.5000
1987-02-01	11.2000
1987-03-01	10.4000
1987-04-01	10.2000
1987-05-01	10.0000
1987-06-01	9.7000
1987-07-01	10.0000
1987-08-01	9.9000
1987-09-01	9.8000
1987-10-01	10.2000
1987-11-01	9.9000
1987-12-01	9.5000
1988-01-01	8.9000
1988-02-01	8.7000
1988-03-01	8.9000
1988-04-01	9.5000
1988-05-01	9.0000
1988-06-01	8.6712
1988-07-01	8.2783
1988-08-01	8.1936
1988-09-01	8.1073
1988-10-01	8.0878
1988-11-01	8.1186
1988-12-01	8.0528
1989-01-01	8.1129
1989-02-01	8.2852
1989-03-01	8.3805
1989-04-01	8.9161
1989-05-01	9.2738
1989-06-01	9.3735
1989-07-01	9.5900
1989-08-01	9.3913
1989-09-01	9.7478
1989-10-01	11.3224
1989-11-01	12.1953
1989-12-01	12.1176
1990-01-01	12.1989
1990-02-01	12.3883
1990-03-01	12.1172
1990-04-01	11.3846
1990-05-01	10.7634
1990-06-01	10.7122
1990-07-01	10.3203
1990-08-01	10.5333
1990-09-01	10.7633
1990-10-01	10.4280
1990-11-01	10.4801
1990-12-01	10.5174
1991-01-01	10.6044
1991-02-01	10.3399
1991-03-01	10.1357
1991-04-01	10.0008
1991-05-01	9.7708
1991-06-01	9.5049
1991-07-01	9.4789
1991-08-01	9.6989
1991-09-01	9.8296
1991-10-01	9.6780
1991-11-01	9.4881
1991-12-01	9.8890
1992-01-01	10.1705
1992-02-01	10.2117
1992-03-01	10.1769
1992-04-01	10.2040
1992-05-01	10.2401
1992-06-01	10.5422
1992-07-01	10.6461
1992-08-01	11.1935
1992-09-01	12.7614
1992-10-01	13.0114
1992-11-01	12.9896
1992-12-01	18.1473
1993-01-01	14.4453
1993-02-01	17.3233
1993-03-01	13.3702
1993-04-01	10.6509
1993-05-01	9.1857
1993-06-01	8.1474
1993-07-01	10.6902
1993-08-01	12.0789
1993-09-01	10.1565
1993-10-01	8.6859
1993-11-01	8.0077
1993-12-01	7.5177
1994-01-01	6.3879
1994-02-01	6.3788
1994-03-01	6.2234
1994-04-01	6.1812
1994-05-01	5.9357
1994-06-01	6.2206
1994-07-01	6.1330
1994-08-01	6.6043
1994-09-01	6.6050
1994-10-01	6.4304
1994-11-01	6.3276
1994-12-01	6.1981
1995-01-01	6.1983
1995-02-01	5.9692
1995-03-01	7.3180
1995-04-01	7.0656
1995-05-01	6.7876
1995-06-01	6.7246
1995-07-01	6.5395
1995-08-01	6.0749
1995-09-01	5.7117
1995-10-01	5.7314
1995-11-01	5.3675
1995-12-01	4.9978
1996-01-01	4.5421
1996-02-01	4.4518
1996-03-01	4.3414
1996-04-01	3.9480
1996-05-01	3.8435
1996-06-01	3.9597
1996-07-01	3.9285
1996-08-01	3.9159
1996-09-01	3.8330
1996-10-01	3.6727
1996-11-01	3.6687
1996-12-01	3.6461
1997-01-01	3.6330
1997-02-01	3.6232
1997-03-01	3.6769
1997-04-01	3.6727
1997-05-01	3.6330
1997-06-01	3.6215
1997-07-01	3.6210
1997-08-01	3.6545
1997-09-01	3.6654
1997-10-01	3.9343
1997-11-01	4.0112
1997-12-01	4.0220
1998-01-01	3.9297
1998-02-01	3.8783
1998-03-01	3.8803
1998-04-01	3.9228
1998-05-01	4.5686
1998-06-01	4.1395
1998-07-01	4.1745
1998-08-01	4.3344
1998-09-01	4.9120
1998-10-01	4.8480
1998-11-01	4.4296
1998-12-01	4.2318
1999-01-01	3.8690
1999-02-01	3.6150
1999-03-01	3.4590
1999-04-01	3.1213
1999-05-01	3.1080
1999-06-01	3.1266
1999-07-01	3.1731
1999-08-01	3.2069
1999-09-01	3.1756
1999-10-01	3.6907
1999-11-01	3.8526
1999-12-01	3.7988
2000-01-01	3.7165
2000-02-01	3.9332
2000-03-01	4.1848
2000-04-01	4.3271
2000-05-01	4.6999
2000-06-01	5.1762
2000-07-01	5.7755
2000-08-01	5.6575
2000-09-01	6.1017
2000-10-01	5.5530
2000-11-01	5.4961
2000-12-01	5.3859
2001-01-01	5.3420
2001-02-01	5.2720
2001-03-01	5.1622
2001-04-01	5.1257
2001-05-01	5.1075
2001-06-01	4.9618
2001-07-01	4.9324
2001-08-01	4.8076
2001-09-01	4.4334
2001-10-01	3.9596
2001-11-01	3.7010
2001-12-01	3.6365
2002-01-01	3.6348
2002-02-01	3.6046
2002-03-01	3.6376
2002-04-01	3.6666
2002-05-01	3.7262
2002-06-01	3.7322
2002-07-01	3.6780
2002-08-01	3.5790
2002-09-01	3.4523
2002-10-01	3.4359
2002-11-01	3.3108
2002-12-01	3.0713
2003-01-01	2.9731
2003-02-01	2.8343
2003-03-01	2.6663
2003-04-01	2.6680
2003-05-01	2.5404
2003-06-01	2.2132
2003-07-01	2.1779
2003-08-01	2.1850
2003-09-01	2.1860
2003-10-01	2.1955
2003-11-01	2.2126
2003-12-01	2.2246
2004-01-01	2.1933
2004-02-01	2.1793
2004-03-01	2.1447
2004-04-01	2.1688
2004-05-01	2.1964
2004-06-01	2.2099
2004-07-01	2.2183
2004-08-01	2.2088
2004-09-01	2.2108
2004-10-01	2.2057
2004-11-01	2.2064
2004-12-01	2.1976
2005-01-01	2.1958
2005-02-01	2.1894
2005-03-01	2.1860
2005-04-01	2.1810
2005-05-01	2.1759
2005-06-01	2.1609
2005-07-01	2.1628
2005-08-01	2.1729
2005-09-01	2.1766
2005-10-01	2.2178
2005-11-01	2.3908
2005-12-01	2.4802
2006-01-01	2.5246
2006-02-01	2.6574
2006-03-01	2.8477
2006-04-01	2.9226
2006-05-01	2.9779
2006-06-01	3.0805
2006-07-01	3.2044
2006-08-01	3.3311
2006-09-01	3.4463
2006-10-01	3.6145
2006-11-01	3.7245
2006-12-01	3.8371
2007-01-01	3.9204
2007-02-01	3.9949
2007-03-01	4.0726
2007-04-01	4.1684
2007-05-01	4.2832
2007-06-01	4.3730
2007-07-01	4.4158
2007-08-01	4.6605
2007-09-01	4.8493
2007-10-01	4.8356
2007-11-01	4.8184
2007-12-01	4.9196
2008-01-01	4.7199
2008-02-01	4.6148
2008-03-01	4.8007
2008-04-01	4.9955
2008-05-01	5.1507
2008-06-01	5.3286
2008-07-01	5.3789
2008-08-01	5.3833
2008-09-01	5.4176
2008-10-01	5.9903
2008-11-01	6.0757
2008-12-01	5.3699
2009-01-01	4.4204
2009-02-01	3.8595
2009-03-01	3.2773
2009-04-01	2.9361
2009-05-01	2.6695
2009-06-01	2.3308
2009-07-01	2.0642
2009-08-01	1.9380
2009-09-01	1.7625
2009-10-01	1.5828
2009-11-01	1.5587
2009-12-01	1.5521
2010-01-01	1.4587
2010-02-01	1.3927
2010-03-01	1.3717
2010-04-01	1.2835
2010-05-01	1.2520
2010-06-01	1.1520
2010-07-01	1.1341
2010-08-01	1.1451
2010-09-01	1.1460
2010-10-01	1.1913
2010-11-01	1.2388
2010-12-01	1.2117
2011-01-01	1.2161
2011-02-01	1.2398
2011-03-01	1.3074
2011-04-01	1.4083
2011-05-01	1.4570
2011-06-01	1.5136
2011-07-01	1.6625
2011-08-01	1.6041
2011-09-01	1.4366
2011-10-01	1.3974
2011-11-01	1.2877
2011-12-01	1.0837
2012-01-01	1.0069
2012-02-01	1.0007
2012-03-01	0.9878
2012-04-01	0.9652
2012-05-01	0.9009
2012-06-01	0.6214
2012-07-01	0.4068
2012-08-01	0.3124
2012-09-01	0.3217
2012-10-01	0.3345
2012-11-01	0.3009
2012-12-01	0.2771
2013-01-01	0.3051
2013-02-01	0.3285
2013-03-01	0.2743
2013-04-01	0.2600
2013-05-01	0.2403
2013-06-01	0.2582
2013-07-01	0.2684
2013-08-01	0.2681
2013-09-01	0.2711
2013-10-01	0.2730
2013-11-01	0.2536
2013-12-01	0.2585
2014-01-01	0.2800
2014-02-01	0.2700
2014-03-01	0.2900
2014-04-01	0.3100
2014-05-01	0.3500
2014-06-01	0.3600
2014-07-01	0.3800
2014-08-01	0.3700
2014-09-01	0.2800
2014-10-01	0.3000
2014-11-01	0.3000
2014-12-01	0.3000
2015-01-01	0.1800
2015-02-01	-0.3300
2015-03-01	-0.1900
2015-04-01	-0.1900
2015-05-01	-0.1800
2015-06-01	-0.2000
2015-07-01	-0.1600
2015-08-01	-0.0700
2015-09-01	-0.0100
2015-10-01	-0.0700
2015-11-01	-0.1400
2015-12-01	-0.1300
2016-01-01	-0.0600
2016-02-01	-0.0800
2016-03-01	-0.1300
2016-04-01	-0.0900
2016-05-01	-0.0900
2016-06-01	-0.1700
2016-07-01	-0.1900
2016-08-01	-0.2100
2016-09-01	-0.1900
2016-10-01	-0.2000
2016-11-01	-0.1800
2016-12-01	-0.2000
2017-01-01	-0.2300
2017-02-01	-0.2300
2017-03-01	-0.2500
2017-04-01	-0.2600
2017-05-01	-0.2300
2017-06-01	-0.2300
2017-07-01	-0.2400
2017-08-01	-0.2700
2017-09-01	-0.3100
2017-10-01	-0.3100
2017-11-01	-0.3100
2017-12-01	-0.3000
2018-01-01	-0.3100
2018-02-01	-0.3000
2018-03-01	-0.3000
2018-04-01	-0.2900
2018-05-01	-0.2800
2018-06-01	-0.3000
2018-07-01	-0.3000
2018-08-01	-0.3000
2018-09-01	-0.3000
2018-10-01	-0.3100