Quarter	Percent
1994-01-01	6.6800
1994-04-01	6.3200
1994-07-01	6.0000
1994-10-01	5.2400
1995-01-01	6.4200
1995-04-01	6.3600
1995-07-01	5.8000
1995-10-01	5.6200
1996-01-01	4.8900
1996-04-01	4.7300
1996-07-01	4.0800
1996-10-01	4.0400
1997-01-01	4.0900
1997-04-01	3.9400
1997-07-01	3.8700
1997-10-01	3.9800
1998-01-01	3.8300
1998-04-01	3.7600
1998-07-01	3.8100
1998-10-01	3.0900
1999-01-01	2.9252
1999-04-01	2.5632
1999-07-01	2.4336
1999-10-01	3.0418
2000-01-01	3.5104
2000-04-01	4.2945
2000-07-01	4.5905
2000-10-01	4.8268
2001-01-01	4.7814
2001-04-01	4.5395
2001-07-01	3.9865
2001-10-01	3.3389
2002-01-01	3.2640
2002-04-01	3.3485
2002-07-01	3.3186
2002-10-01	3.0945
2003-01-01	2.7490
2003-04-01	2.2133
2003-07-01	2.0209
2003-10-01	2.0567
2004-01-01	2.0057
2004-04-01	2.0277
2004-07-01	2.0518
2004-10-01	2.0535
2005-01-01	2.0567
2005-04-01	2.0623
2005-07-01	2.0941
2005-10-01	2.2757
2006-01-01	2.5200
2006-04-01	2.6977
2006-07-01	3.0410
2006-10-01	3.5011
2007-01-01	3.6909
2007-04-01	3.9557
2007-07-01	4.0286
2007-10-01	3.8791
2008-01-01	4.0910
2008-04-01	4.0067
2008-07-01	4.2733
2008-10-01	2.4864
2009-01-01	1.0620
2009-04-01	0.6980
2009-07-01	0.3632
2009-10-01	0.3546
2010-01-01	0.3477
2010-04-01	0.3543
2010-07-01	0.4536
2010-10-01	0.4981
2011-01-01	0.6587
2011-04-01	1.1240
2011-07-01	1.0055
2011-10-01	0.6270
2012-01-01	0.3567
2012-04-01	0.3320
2012-07-01	0.0993
2012-10-01	0.0734
2013-01-01	0.0670
2013-04-01	0.0862
2013-07-01	0.0803
2013-10-01	0.1686
2014-01-01	0.1919
2014-04-01	0.0758
2014-07-01	0.0066
2014-10-01	-0.0301
2015-01-01	-0.0504
2015-04-01	-0.1185
2015-07-01	-0.1357
2015-10-01	-0.1990
2016-01-01	-0.2877
2016-04-01	-0.3325
2016-07-01	-0.3430
2016-10-01	-0.3504
2017-01-01	-0.3535
2017-04-01	-0.3587
2017-07-01	-0.3581
2017-10-01	-0.3423
2018-01-01	-0.3639
2018-04-01	-0.3618
2018-07-01	-0.3627