Quarterly Percent
2003-01-01 4.1
2003-04-01 4.2
2003-07-01 4.2
2003-10-01 4.3
2004-01-01 4.3
2004-04-01 4.3
2004-07-01 4.2
2004-10-01 4.2
2005-01-01 4.2
2005-04-01 4.2
2005-07-01 4.2
2005-10-01 4.2
2006-01-01 4.2
2006-04-01 4.2
2006-07-01 4.1
2006-10-01 4.1
2007-01-01 4.1
2007-04-01 4.1
2007-07-01 4.0
2007-10-01 4.0
2008-01-01 4.0
2008-04-01 4.0
2008-07-01 4.0
2008-10-01 4.2
2009-01-01 4.3
2009-04-01 4.3
2009-07-01 4.3
2009-10-01 4.3
2010-01-01 4.2
2010-04-01 4.2
2010-07-01 4.1
2010-10-01 4.1
2011-01-01 4.1
2011-04-01 4.1
2011-07-01 4.1