Quarterly Percent
1998-03-31 19.2
1998-06-30 1.9
1998-09-30 34.1
1998-12-31 -8.7
1999-03-31 -7.8
1999-06-30 8
1999-09-30 -27.4
1999-12-31 -21.1
2000-03-31 50.1
2000-06-30 14
2000-09-30 5.4
2000-12-31 -7.4
2001-03-31 3.9
2001-06-30 -21.2
2001-09-30 49.4
2001-12-31 -26
2002-03-31 -11.9
2002-06-30 15.8
2002-09-30 9.1
2002-12-31 3.8
2003-03-31 -2.3
2003-06-30 -6.2
2003-09-30 12
2003-12-31 -19
2004-03-31 4.3
2004-06-30 14.2
2004-09-30 16.5
2004-12-31 -14.7
2005-03-31 17
2005-06-30 25.2
2005-09-30 -8.1
2005-12-31 46.5
2006-03-31 -39.7
2006-06-30 -8.8
2006-09-30 23.8
2006-12-31 21.4
2007-03-31 -12.7
2007-06-30 29.8
2007-09-30 -2.6
2007-12-31 27.7
2008-03-31 11.3
2008-06-30 -41.9
2008-09-30 -3.6
2008-12-31 -21.6
2009-03-31 -24.7
2009-06-30 1.2
2009-09-30 -21.5
2009-12-31 3.3
2010-03-31 -0.7
2010-06-30 -15.4
2010-09-30 -15.6
2010-12-31 -3.6
2011-03-31 22.8
2011-06-30 -10.3
2011-09-30 -4.3
2011-12-31 -10.3
2012-03-31 49.6
2012-06-30 -5
2012-09-30 -15.4
2012-12-31 6.3
2013-03-31 11.9
2013-06-30 1.8
2013-09-30 -13.1
2013-12-31 -25.5
2014-03-31 12.9
2014-06-30 -7.4
2014-09-30 9
2014-12-31 -18.5
2015-03-31 44.8
2015-06-30 -21.1
2015-09-30 -24.7
2015-12-31 -5.1
2016-03-31 11.3
2016-06-30 20.5
2016-09-30 28.3
2016-12-31 -3.7
2017-03-31 22.3
2017-06-30 -16.9
2017-09-30 -5.1
2017-12-31 14.5
2018-03-31 16.9
2018-06-30 -2.1
2018-09-30 -7.9
2018-12-31 -3.5
2019-03-31 28.6
2019-06-30 22.5
2019-09-30 11.5
2019-12-31 -20.1
2020-03-31 129.7
2020-06-30 14.1
2020-09-30 -18.8
2020-12-31 13.4
2021-03-31 -25.5
2021-06-30 -8
2021-09-30 -13
2021-12-31 7.5
2022-03-31 6
2022-06-30 15.3
2022-09-30 77.1
2022-12-31 -48.3
2023-03-31 -33.9
2023-06-30 7.6
2023-09-30 13
2023-12-31 -7.9