Quarterly Percent
1998-12-31 2.8
1999-03-31 -11.6
1999-06-30 0
1999-09-30 12.1
1999-12-31 -21.5
2000-03-31 91.8
2000-06-30 65.1
2000-09-30 -21.6
2000-12-31 11.1
2001-03-31 103.6
2001-06-30 -14.7
2001-09-30 106.1
2001-12-31 11.9
2002-03-31 17.9
2002-06-30 -22.5
2002-09-30 80
2002-12-31 -22.2
2003-03-31 22.4
2003-06-30 125.5
2003-09-30 -9
2003-12-31 39.6
2004-03-31 88.1
2004-06-30 58
2004-09-30 26.3
2004-12-31 12.8
2005-03-31 38.7
2005-06-30 111.3
2005-09-30 -30.4
2005-12-31 7
2006-03-31 49.2
2006-06-30 -4.7
2006-09-30 6.8
2006-12-31 15.1
2007-03-31 20.2
2007-06-30 79.9
2007-09-30 42.3
2007-12-31 35.4
2008-03-31 40.4
2008-06-30 -17.5
2008-09-30 115.8
2008-12-31 12.1
2009-03-31 26.6
2009-06-30 15.6
2009-09-30 17.5
2009-12-31 -49.7
2010-03-31 38.1
2010-06-30 -4.4
2010-09-30 -29.1
2010-12-31 -49.7
2011-03-31 57.6
2011-06-30 -9.4
2011-09-30 12.4
2011-12-31 -19.6
2012-03-31 5.5
2012-06-30 15.9
2012-09-30 29.7
2012-12-31 -9.7
2013-03-31 21.5
2013-06-30 4.3
2013-09-30 19.8
2013-12-31 -28.2
2014-03-31 -0.4
2014-06-30 20.1
2014-09-30 -7.9
2014-12-31 -21.1
2015-03-31 21.9
2015-06-30 -6.8
2015-09-30 -4.1
2015-12-31 -17.7
2016-03-31 20.4
2016-06-30 41.5
2016-09-30 0
2016-12-31 -8.3
2017-03-31 77.3
2017-06-30 -8.1
2017-09-30 25.8
2017-12-31 -14.9
2018-03-31 0.6
2018-06-30 4.3
2018-09-30 8.4
2018-12-31 24.3
2019-03-31 -31
2019-06-30 -1.7
2019-09-30 16.1
2019-12-31 -6.2
2020-03-31 93.1
2020-06-30 -22.6
2020-09-30 19.4
2020-12-31 -25.6
2021-03-31 21.2
2021-06-30 4.8
2021-09-30 39.3
2021-12-31 -1.7
2022-03-31 15
2022-06-30 5.8
2022-09-30 14
2022-12-31 -3.6
2023-03-31 8.4
2023-06-30 -5.1
2023-09-30 4.6
2023-12-31 3.3