Quarterly Percent
1995-01-01 67.8391959800000
1995-04-01 65.3440482200000
1995-07-01 66.3995994000000
1995-10-01 66.9656203300000
1996-01-01 67.2781358500000
1996-04-01 65.8140678800000
1996-07-01 67.4350171700000
1996-10-01 68.6341463400000
1997-01-01 66.5696263900000
1997-04-01 65.5674102800000
1997-07-01 67.3300970900000
1997-10-01 70.3829374700000
1998-01-01 66.3797226200000
1998-04-01 66.1877394600000
1998-07-01 66.0161827700000
1998-10-01 65.4425612100000
1999-01-01 66.1925083000000
1999-04-01 65.4356060600000
1999-07-01 64.7031323000000
1999-10-01 63.7962963000000
2000-01-01 61.9003690000000
2000-04-01 61.3138686100000
2000-07-01 62.8106642600000
2000-10-01 63.1390134500000
2001-01-01 60.8407079600000
2001-04-01 61.7197730200000
2001-07-01 61.3929492700000
2001-10-01 58.9732711100000
2002-01-01 60.6276150600000
2002-04-01 60.5610561100000
2002-07-01 58.3333333300000
2002-10-01 57.7893472200000
2003-01-01 57.7671831500000
2003-04-01 56.9854388000000
2003-07-01 56.2256809300000
2003-10-01 55.9738763000000
2004-01-01 55.0340651000000
2004-04-01 56.0195635800000
2004-07-01 55.7584793100000
2004-10-01 56.0338484200000
2005-01-01 54.9275362300000
2005-04-01 56.2790697700000
2005-07-01 54.5358277400000
2005-10-01 51.6140350900000
2006-01-01 54.0503274700000
2006-04-01 51.9008825500000
2006-07-01 50.4187604700000
2006-10-01 50.6429277900000
2007-01-01 50.7336159100000
2007-04-01 49.7606128300000
2007-07-01 49.7162673400000
2007-10-01 48.6875000000000
2008-01-01 46.3602714400000
2008-04-01 48.9882210800000
2008-07-01 49.5221027500000
2008-10-01 48.9820005900000
2009-01-01 47.0129870100000
2009-04-01 47.0705916000000
2009-07-01 46.5497737600000
2009-10-01 47.4637681200000
2010-01-01 48.4210526300000
2010-04-01 46.2067069800000
2010-07-01 44.2145385200000
2010-10-01 45.2535059300000
2011-01-01 44.3639291500000
2011-04-01 44.4712828800000
2011-07-01 46.8983957200000
2011-10-01 45.7645178500000
2012-01-01 43.2333333333333
2012-04-01 41.9000000000000
2012-07-01 42.4333333333333
2012-10-01 42.0666666666667
2013-01-01 41.1666666666667
2013-04-01 39.8666666666667
2013-07-01 41.5666666666667
2013-10-01 40.7333333333333
2014-01-01 39.6000000000000
2014-04-01 40.7333333333333
2014-07-01 40.3333333333333
2014-10-01 38.2666666666667
2015-01-01 37.9666666666667
2015-04-01 39.1000000000000
2015-07-01 37.8000000000000
2015-10-01 38.0000000000000
2016-01-01 37.4000000000000
2016-04-01 38.0666666666667
2016-07-01 39.9000000000000
2016-10-01 37.4666666666667
2017-01-01 38.6000000000000
2017-04-01 39.5666666666667
2017-07-01 39.2666666666667
2017-10-01 37.1333333333333
2018-01-01 37.8333333333333
2018-04-01 38.4000000000000
2018-07-01 36.7333333333333