Quarterly Percent
1999-01-01 74.1
2000-01-01 77
2000-04-01 75.6
2000-07-01 74.9
2000-10-01 77.9
2001-01-01 79.9
2001-04-01 76.3
2001-07-01 76.3
2001-10-01 78.8
2002-01-01 79.1
2002-04-01 78.8
2002-07-01 79.8
2002-10-01 78.8
2003-01-01 78.3
2003-04-01 77.6
2003-07-01 78.1
2003-10-01 78.2
2004-01-01 79.3
2004-04-01 79.1
2004-07-01 77.7
2004-10-01 78.4
2005-01-01 80.2
2005-04-01 79
2005-07-01 76.7
2005-10-01 78.2
2006-01-01 81.1
2006-04-01 80.4
2006-07-01 78.1
2006-10-01 79.4
2007-01-01 80.2
2007-04-01 80.5
2007-07-01 78.7
2007-10-01 78.3
2008-01-01 79.1
2008-04-01 78.4
2008-07-01 78
2008-10-01 78
2009-01-01 77.7
2009-04-01 77.3
2009-07-01 76.6
2009-10-01 75.9
2010-01-01 75.9
2010-04-01 74.5
2010-07-01 73.3
2010-10-01 72.8
2011-01-01 72.3
2011-04-01 71.3
2011-07-01 70.4
2011-10-01 69.9
2012-01-01 70.6
2012-04-01 69.4
2012-07-01 67.6
2012-10-01 67.3
2013-01-01 68
2013-04-01 67.1
2013-07-01 66.3
2013-10-01 65.3
2014-01-01 65.3
2014-04-01 65.7
2014-07-01 64.6
2014-10-01 63.8
2015-01-01 63.9
2015-04-01 64.1
2015-07-01 61.6
2015-10-01 61.1
2016-01-01 62.4
2016-04-01 61.8
2016-07-01 60.1
2016-10-01 59.7
2017-01-01 60.6
2017-04-01 58.7
2017-07-01 58.1
2017-10-01 60.4
2018-01-01 60.6
2018-04-01 59.2