Quarterly Percent
1998-09-30 -5.4
1998-12-31 -4.3
1999-03-31 15.6
1999-06-30 9.6
1999-09-30 1.6
1999-12-31 15.2
2000-03-31 2.6
2000-06-30 10.5
2000-09-30 21.5
2000-12-31 7.7
2001-03-31 16.6
2001-06-30 18.8
2001-09-30 14.2
2001-12-31 18.1
2002-03-31 9.9
2002-06-30 0.9
2002-09-30 0.6
2002-12-31 -4.4
2003-03-31 -4.6
2003-06-30 -3.8
2003-09-30 -10.2
2003-12-31 -13.8
2004-03-31 -8.9
2004-06-30 -7
2004-09-30 4
2004-12-31 10.3
2005-03-31 7
2005-06-30 13.3
2005-09-30 15
2005-12-31 13.9
2006-03-31 15.8
2006-06-30 19
2006-09-30 23.3
2006-12-31 25.1
2007-03-31 23.5
2007-06-30 13.2
2007-09-30 17.7
2007-12-31 30
2008-03-31 35.5
2008-06-30 41.3
2008-09-30 35.5
2008-12-31 25.9
2009-03-31 12.2
2009-06-30 -8.4
2009-09-30 -7
2009-12-31 -25.2
2010-03-31 -21.2
2010-06-30 -5.3
2010-09-30 -18
2010-12-31 -4.2
2011-03-31 -10
2011-06-30 -19.6
2011-09-30 -16.7
2011-12-31 -19.3
2012-03-31 -19.1
2012-06-30 -9.7
2012-09-30 -4.6
2012-12-31 0.9
2013-03-31 5
2013-06-30 4.5
2013-09-30 -1.6
2013-12-31 -2
2014-03-31 3.4
2014-06-30 2.1
2014-09-30 6.5
2014-12-31 13.6
2015-03-31 10.2
2015-06-30 12.9
2015-09-30 14.6
2015-12-31 8
2016-03-31 8.6
2016-06-30 14.2
2016-09-30 14.4
2016-12-31 21.2
2017-03-31 22.9
2017-06-30 15.1
2017-09-30 2.2
2017-12-31 -1.1
2018-03-31 -9.1
2018-06-30 -4.6
2018-09-30 10.1
2018-12-31 3.4
2019-03-31 6.8
2019-06-30 4.5
2019-09-30 -1.3
2019-12-31 -4.8
2020-03-31 -0.5
2020-06-30 -2
2020-09-30 -5.9
2020-12-31 1.8