Quarterly Percent
1998-03-31 -18.7
1998-06-30 18.6
1998-09-30 2.9
1998-12-31 -2.6
1999-03-31 -0.9
1999-06-30 -7.6
1999-09-30 -11.3
1999-12-31 -9.8
2000-03-31 -18.6
2000-06-30 23.8
2000-09-30 2.3
2000-12-31 9.2
2001-03-31 2.8
2001-06-30 -14
2001-09-30 -24.5
2001-12-31 60.6
2002-03-31 -20.3
2002-06-30 -0.1
2002-09-30 -0.8
2002-12-31 5.7
2003-03-31 6
2003-06-30 -21.2
2003-09-30 12.3
2003-12-31 20.8
2004-03-31 -12.9
2004-06-30 15.7
2004-09-30 -5.7
2004-12-31 41.6
2005-03-31 1.5
2005-06-30 -18.7
2005-09-30 -13.3
2005-12-31 86.6
2006-03-31 -30.2
2006-06-30 2.4
2006-09-30 -17.4
2006-12-31 114.6
2007-03-31 -33.4
2007-06-30 26.8
2007-09-30 -37.2
2007-12-31 85.9
2008-03-31 -33.7
2008-06-30 -8.1
2008-09-30 -22.6
2008-12-31 24.2
2009-03-31 -2.2
2009-06-30 20.7
2009-09-30 9.5
2009-12-31 35
2010-03-31 -1.1
2010-06-30 -5.7
2010-09-30 10.4
2010-12-31 22.1
2011-03-31 -41.9
2011-06-30 13.3
2011-09-30 -13.7
2011-12-31 -3.4
2012-03-31 -13
2012-06-30 32.6
2012-09-30 -12.9
2012-12-31 44
2013-03-31 -16.2
2013-06-30 0.4
2013-09-30 8.9
2013-12-31 22
2014-03-31 -9.6
2014-06-30 0.5
2014-09-30 4.9
2014-12-31 31.7
2015-03-31 -12.5
2015-06-30 14.2
2015-09-30 19.8
2015-12-31 20.7
2016-03-31 -9.8
2016-06-30 34.2
2016-09-30 -29.6
2016-12-31 31.5
2017-03-31 -16.8
2017-06-30 29.2
2017-09-30 -10.6
2017-12-31 28
2018-03-31 -15.7
2018-06-30 12.1
2018-09-30 -2.3
2018-12-31 33.7
2019-03-31 -21.9
2019-06-30 2.6
2019-09-30 15.5
2019-12-31 2.6
2020-03-31 29.9
2020-06-30 68
2020-09-30 10
2020-12-31 16.4
2021-03-31 -14.6
2021-06-30 4.6
2021-09-30 -3.2
2021-12-31 17.5
2022-03-31 -4.5
2022-06-30 -15.5
2022-09-30 -7
2022-12-31 3
2023-03-31 -35.5
2023-06-30 -0.7
2023-09-30 9.4
2023-12-31 22.3