Month	Percent
2002-01-01	7.7000
2002-02-01	7.8300
2002-03-01	7.8800
2002-04-01	8.0600
2002-05-01	8.5200
2002-06-01	8.8200
2002-07-01	8.7500
2002-08-01	8.5900
2002-09-01	8.5600
2002-10-01	7.7500
2002-11-01	6.9800
2002-12-01	6.8700
2003-01-01	7.6400
2003-02-01	7.7700
2003-03-01	7.3300
2003-04-01	7.1200
2003-05-01	7.0100
2003-06-01	6.3600
2003-07-01	6.3400
2003-08-01	6.5200
2003-09-01	6.5500
2003-10-01	6.4100
2003-11-01	6.2200
2003-12-01	6.1100
2004-01-01	6.0100
2004-02-01	5.8000
2004-03-01	5.6200
2004-04-01	4.9900
2004-05-01	4.7600
2004-06-01	4.4600
2004-07-01	4.0300
2004-08-01	4.0100
2004-09-01	4.0700
2004-10-01	4.1000
2004-11-01	4.0600
2004-12-01	4.0500
2005-01-01	4.0500
2005-02-01	4.0500
2005-03-01	4.0500
2005-04-01	4.0500
2005-05-01	4.0500
2005-06-01	4.0500
2005-07-01	4.0400
2005-08-01	4.0200
2005-09-01	4.0300
2005-10-01	4.0100
2005-11-01	4.0100
2005-12-01	4.0000
2006-01-01	4.0000
2006-02-01	3.8400
2006-03-01	3.5300
2006-04-01	3.5000
2006-05-01	3.5000
2006-06-01	3.3800
2006-07-01	3.3400
2006-08-01	3.5200
2006-09-01	3.5500
2006-10-01	3.5500
2006-11-01	3.5900
2006-12-01	3.6700
2007-01-01	3.7519
2007-02-01	3.8182
2007-03-01	3.8909
2007-04-01	3.9753
2007-05-01	4.0714
2007-06-01	4.1478
2007-07-01	4.2162
2007-08-01	4.5436
2007-09-01	4.7417
2007-10-01	4.6874
2007-11-01	4.6385
2007-12-01	4.8484
2008-01-01	4.4815
2008-02-01	4.3621
2008-03-01	4.5964
2008-04-01	4.7835
2008-05-01	4.8574
2008-06-01	4.9405
2008-07-01	4.9610
2008-08-01	4.9652
2008-09-01	5.0192
2008-10-01	5.1131
2008-11-01	4.2383
2008-12-01	3.2926
2009-01-01	2.4565
2009-02-01	1.9431
2009-03-01	1.6355
2009-04-01	1.4223
2009-05-01	1.2817
2009-06-01	1.2279
2009-07-01	0.9750
2009-08-01	0.8605
2009-09-01	0.7721
2009-10-01	0.7375
2009-11-01	0.7162
2009-12-01	0.7120
2010-01-01	0.6797
2010-02-01	0.6617
2010-03-01	0.6450
2010-04-01	0.6447
2010-05-01	0.6865
2010-06-01	0.7276
2010-07-01	0.8488
2010-08-01	0.8955
2010-09-01	0.8805
2010-10-01	0.9977
2010-11-01	1.0420
2010-12-01	1.0217
2011-01-01	1.0172
2011-02-01	1.0867
2011-03-01	1.1755
2011-04-01	1.3212
2011-05-01	1.4251
2011-06-01	1.4886
2011-07-01	1.5976
2011-08-01	1.5521
2011-09-01	1.5365
2011-10-01	1.5759
2011-11-01	1.4847
2011-12-01	1.4261
2012-01-01	1.2222
2012-02-01	1.0483
2012-03-01	0.8585
2012-04-01	0.7443
2012-05-01	0.6849
2012-06-01	0.6589
2012-07-01	0.4970
2012-08-01	0.3324
2012-09-01	0.2463
2012-10-01	0.2079
2012-11-01	0.1920
2012-12-01	0.1855
2013-01-01	0.2049
2013-02-01	0.2234
2013-03-01	0.2061
2013-04-01	0.2089
2013-05-01	0.2012
2013-06-01	0.2103
2013-07-01	0.2214
2013-08-01	0.2259
2013-09-01	0.2232
2013-10-01	0.2258
2013-11-01	0.2234
2013-12-01	0.2735
2014-01-01	0.2920
2014-02-01	0.2881
2014-03-01	0.3053
2014-04-01	0.3297
2014-05-01	0.3246
2014-06-01	0.2414
2014-07-01	0.2050
2014-08-01	0.1916
2014-09-01	0.0971
2014-10-01	0.0826
2014-11-01	0.0809
2014-12-01	0.0809
2015-01-01	0.0627
2015-02-01	0.0482
2015-03-01	0.0272
2015-04-01	0.0047
2015-05-01	-0.0104
2015-06-01	-0.0139
2015-07-01	-0.0187
2015-08-01	-0.0277
2015-09-01	-0.0370
2015-10-01	-0.0536
2015-11-01	-0.0876
2015-12-01	-0.1263
2016-01-01	-0.1461
2016-02-01	-0.1836
2016-03-01	-0.2285
2016-04-01	-0.2492
2016-05-01	-0.2572
2016-06-01	-0.2679
2016-07-01	-0.2945
2016-08-01	-0.2982
2016-09-01	-0.3016
2016-10-01	-0.3090
2016-11-01	-0.3127
2016-12-01	-0.3158
2017-01-01	-0.3255
2017-02-01	-0.3286
2017-03-01	-0.3293
2017-04-01	-0.3304
2017-05-01	-0.3295
2017-06-01	-0.3300
2017-07-01	-0.3304
2017-08-01	-0.3291
2017-09-01	-0.3294
2017-10-01	-0.3295
2017-11-01	-0.3290
2017-12-01	-0.3279
2018-01-01	-0.3285
2018-02-01	-0.3285
2018-03-01	-0.3279
2018-04-01	-0.3285
2018-05-01	-0.3252
2018-06-01	-0.3220
2018-07-01	-0.3207
2018-08-01	-0.3190
2018-09-01	-0.3188
2018-10-01	-0.3177