Quarterly Percent
1998-03-31 27.4
1998-06-30 -11.5
1998-09-30 7
1998-12-31 -39.9
1999-03-31 37
1999-06-30 -2.8
1999-09-30 10.2
1999-12-31 -3.2
2000-03-31 71.8
2000-06-30 1.6
2000-09-30 0.1
2000-12-31 23
2001-03-31 47.2
2001-06-30 -18.3
2001-09-30 17.4
2001-12-31 8.7
2002-03-31 5.9
2002-06-30 29.9
2002-09-30 -2.2
2002-12-31 -2.2
2003-03-31 16
2003-06-30 17.4
2003-09-30 26.1
2003-12-31 9.3
2004-03-31 62.2
2004-06-30 3.2
2004-09-30 2.3
2004-12-31 9.4
2005-03-31 16.5
2005-06-30 6.4
2005-09-30 1.1
2005-12-31 17
2006-03-31 57
2006-06-30 7.3
2006-09-30 3.2
2006-12-31 16.2
2007-03-31 66.6
2007-06-30 23.1
2007-09-30 24.1
2007-12-31 11.1
2008-03-31 39.8
2008-06-30 -11.5
2008-09-30 16.5
2008-12-31 0.1
2009-03-31 3.6
2009-06-30 -2.4
2009-09-30 -7
2009-12-31 5.9
2010-03-31 8.1
2010-06-30 -7.3
2010-09-30 5
2010-12-31 -5.6
2011-03-31 1.1
2011-06-30 4.8
2011-09-30 4.5
2011-12-31 -30.2
2012-03-31 12.4
2012-06-30 -7.1
2012-09-30 1.1
2012-12-31 7.4
2013-03-31 13.9
2013-06-30 -10.8
2013-09-30 0.5
2013-12-31 -15.7
2014-03-31 -31
2014-06-30 -10.1
2014-09-30 -6.2
2014-12-31 -24.8
2015-03-31 24.8
2015-06-30 -8.2
2015-09-30 1.7
2015-12-31 -17.2
2016-03-31 14.6
2016-06-30 19.2
2016-09-30 -12.2
2016-12-31 -8.4
2017-03-31 31.2
2017-06-30 4.3
2017-09-30 3.1
2017-12-31 -4.8
2018-03-31 6
2018-06-30 1.3
2018-09-30 10.1
2018-12-31 14.9
2019-03-31 -11.1
2019-06-30 -0.9
2019-09-30 23.9
2019-12-31 2.7
2020-03-31 52.4
2020-06-30 -9.3
2020-09-30 1.9
2020-12-31 2
2021-03-31 -10
2021-06-30 4.9
2021-09-30 12.8
2021-12-31 5.3
2022-03-31 4.9
2022-06-30 0.1
2022-09-30 13.4
2022-12-31 -19.2
2023-03-31 -0.2
2023-06-30 15.4
2023-09-30 5.8
2023-12-31 20.5
