Quarterly Percent
1998-03-31 43.3
1998-06-30 26.3
1998-09-30 20.1
1998-12-31 -0.7
1999-03-31 1.8
1999-06-30 -7
1999-09-30 -17.4
1999-12-31 9
2000-03-31 61.8
2000-06-30 0.3
2000-09-30 -12.5
2000-12-31 15
2001-03-31 30.2
2001-06-30 -7.2
2001-09-30 6.2
2001-12-31 -19.2
2002-03-31 15.9
2002-06-30 -3.6
2002-09-30 7.5
2002-12-31 -5.6
2003-03-31 -0.8
2003-06-30 19.4
2003-09-30 -14.8
2003-12-31 -5.1
2004-03-31 2
2004-06-30 -7.2
2004-09-30 -3.6
2004-12-31 26.8
2005-03-31 25.4
2005-06-30 -0.9
2005-09-30 17.7
2005-12-31 20.5
2006-03-31 19.9
2006-06-30 22
2006-09-30 21.3
2006-12-31 -2.5
2007-03-31 27.5
2007-06-30 13.3
2007-09-30 31.9
2007-12-31 1.9
2008-03-31 -2.9
2008-06-30 1.3
2008-09-30 6.4
2008-12-31 18.2
2009-03-31 23.5
2009-06-30 -12.2
2009-09-30 -22.2
2009-12-31 -11.7
2010-03-31 11.5
2010-06-30 -4.6
2010-09-30 -7.4
2010-12-31 15.4
2011-03-31 4.1
2011-06-30 -2.6
2011-09-30 7.7
2011-12-31 -20.6
2012-03-31 30.3
2012-06-30 -7.5
2012-09-30 11.2
2012-12-31 -7.8
2013-03-31 10.4
2013-06-30 -3.7
2013-09-30 6.3
2013-12-31 -19.5
2014-03-31 23
2014-06-30 1
2014-09-30 -4.5
2014-12-31 -14.1
2015-03-31 19.7
2015-06-30 -7.9
2015-09-30 -10.9
2015-12-31 -18.7
2016-03-31 26.2
2016-06-30 24.9
2016-09-30 27
2016-12-31 -8.7
2017-03-31 34.6
2017-06-30 5.8
2017-09-30 6.8
2017-12-31 0.8
2018-03-31 15.6
2018-06-30 -2.2
2018-09-30 -16.4
2018-12-31 -1.2
2019-03-31 7.3
2019-06-30 -4
2019-09-30 20.1
2019-12-31 0.8
2020-03-31 61.8
2020-06-30 -5.1
2020-09-30 -1.5
2020-12-31 10.5
2021-03-31 -2
2021-06-30 -3.8
2021-09-30 13.3
2021-12-31 11.4
2022-03-31 17.9
2022-06-30 -1.3
2022-09-30 108.5
2022-12-31 -55.3
2023-03-31 24.3
2023-06-30 -2.6
2023-09-30 -31.7
2023-12-31 16.9