Quarterly Percent
1999-04-01 63
2000-01-01 58.7
2000-04-01 63.8
2000-07-01 66.5
2000-10-01 60.7
2001-01-01 56.8
2001-04-01 64.7
2001-07-01 65.3
2001-10-01 62.2
2002-01-01 61.5
2002-04-01 66
2002-07-01 67.1
2002-10-01 62.3
2003-01-01 59.3
2003-04-01 63.2
2003-07-01 65
2003-10-01 61.4
2004-01-01 58.8
2004-04-01 64.4
2004-07-01 65.2
2004-10-01 60.1
2005-01-01 56
2005-04-01 61.6
2005-07-01 63.5
2005-10-01 59.5
2006-01-01 55.3
2006-04-01 59.4
2006-07-01 61.6
2006-10-01 55.6
2007-01-01 56.5
2007-04-01 60.2
2007-07-01 62.7
2007-10-01 61
2008-01-01 62.8
2008-04-01 64
2008-07-01 63.1
2008-10-01 59.1
2009-01-01 59.5
2009-04-01 60.6
2009-07-01 59.9
2009-10-01 55.8
2010-01-01 56
2010-04-01 58.7
2010-07-01 57
2010-10-01 55.7
2011-01-01 55.6
2011-04-01 56.8
2011-07-01 58.4
2011-10-01 55.7
2012-01-01 55.2
2012-04-01 58.2
2012-07-01 60.2
2012-10-01 57.7
2013-01-01 59.4
2013-04-01 58.9
2013-07-01 58.3
2013-10-01 56.3
2014-01-01 54.4
2014-04-01 56
2014-07-01 57.1
2014-10-01 55.7
2015-01-01 54.8
2015-04-01 59.6
2015-07-01 58.3
2015-10-01 53.8
2016-01-01 55.1
2016-04-01 55.2
2016-07-01 57.5
2016-10-01 52.9
2017-01-01 51.5
2017-04-01 55.1
2017-07-01 55.9
2017-10-01 53.3
2018-01-01 52.1
2018-04-01 55.5
