Quarterly Percent
1997-09-30 2.4
1997-12-31 3.5
1998-03-31 3.8
1998-06-30 4.6
1998-09-30 5.8
1998-12-31 6.3
1999-03-31 7.2
1999-06-30 6.7
1999-09-30 8.4
1999-12-31 10.9
2000-03-31 12.3
2000-06-30 14.4
2000-09-30 16.1
2000-12-31 15.7
2001-03-31 13.9
2001-06-30 11.7
2001-09-30 10
2001-12-31 10.3
2002-03-31 9.9
2002-06-30 11.3
2002-09-30 12
2002-12-31 12.2
2003-03-31 11.6
2003-06-30 12
2003-09-30 11.5
2003-12-31 11.2
2004-03-31 11.2
2004-06-30 11.7
2004-09-30 12.8
2004-12-31 10.6
2005-03-31 12.4
2005-06-30 13.9
2005-09-30 13.3
2005-12-31 16.9
2006-03-31 17.4
2006-06-30 15.8
2006-09-30 16.3
2006-12-31 16.8
2007-03-31 14.7
2007-06-30 14.8
2007-09-30 14.7
2007-12-31 10.3
2008-03-31 10
2008-06-30 10.1
2008-09-30 7.9
2008-12-31 6.3
2009-03-31 2.8
2009-06-30 -1.2
2009-09-30 -3.2
2009-12-31 -2.3
2010-03-31 -2.1
2010-06-30 -2.2
2010-09-30 -2.8
2010-12-31 -3.6
2011-03-31 -3.7
2011-06-30 -3.7
2011-09-30 -2
2011-12-31 -2.2
2012-03-31 -3.6
2012-06-30 -4
2012-09-30 -5.4
2012-12-31 -5.1
2013-03-31 -3.8
2013-06-30 -4.5
2013-09-30 -4.6
2013-12-31 -6.1
2014-03-31 -6.2
2014-06-30 -5.5
2014-09-30 -4.4
2014-12-31 -3.3
2015-03-31 -3.5
2015-06-30 -2.7
2015-09-30 -2.7
2015-12-31 -1.4
2016-03-31 -0.7
2016-06-30 -1.4
2016-09-30 -1.9
2016-12-31 -2.8
2017-03-31 -3.1
2017-06-30 -3.3
2017-09-30 -3.4
2017-12-31 -4
2018-03-31 -4.1
2018-06-30 -3.1
2018-09-30 -3
2018-12-31 -3
2019-03-31 -2.9
2019-06-30 -3.6
2019-09-30 -3.8
2019-12-31 -3.8
2020-03-31 -3.7
2020-06-30 14.3
2020-09-30 22.2
2020-12-31 27.3
2021-03-31 28.2
2021-06-30 7
2021-09-30 -1
2021-12-31 -5.8
2022-03-31 -8
2022-06-30 -9.3
2022-09-30 -9.6
2022-12-31 -10.8
2023-03-31 -11
2023-06-30 -10.1
2023-09-30 -10
2023-12-31 -8.9
