Quarterly Percent
1998-03-31 -34.8
1998-06-30 216.6
1998-09-30 -31.6
1998-12-31 -12.5
1999-03-31 56.2
1999-06-30 0
1999-09-30 -36.3
1999-12-31 -30.7
2000-03-31 -23.8
2000-06-30 -21.5
2000-09-30 14.1
2000-12-31 54.3
2001-03-31 -25
2001-06-30 -20.7
2001-09-30 351.5
2001-12-31 31.9
2002-03-31 -0.9
2002-06-30 33.7
2002-09-30 -86.3
2002-12-31 226.1
2003-03-31 -17.4
2003-06-30 -43.3
2003-09-30 -38.6
2003-12-31 31.5
2004-03-31 93.2
2004-06-30 -3.9
2004-09-30 131.9
2004-12-31 -59.9
2005-03-31 8.7
2005-06-30 233.8
2005-09-30 -73.6
2005-12-31 126.4
2006-03-31 80.8
2006-06-30 7.1
2006-09-30 132.2
2006-12-31 -61.1
2007-03-31 111.7
2007-06-30 118.5
2007-09-30 -82.2
2007-12-31 15
2008-03-31 5.7
2008-06-30 21.8
2008-09-30 -33.6
2008-12-31 -9.4
2009-03-31 -16.3
2009-06-30 -53.1
2009-09-30 84.4
2009-12-31 10.8
2010-03-31 174.2
2010-06-30 -44.5
2010-09-30 5.2
2010-12-31 28.4
2011-03-31 -59.5
2011-06-30 43.8
2011-09-30 -6.5
2011-12-31 80.8
2012-03-31 -10.5
2012-06-30 19.2
2012-09-30 -32.5
2012-12-31 12.1
2013-03-31 33.4
2013-06-30 -8.1
2013-09-30 -8.5
2013-12-31 61.3
2014-03-31 -28.8
2014-06-30 -9.3
2014-09-30 2.8
2014-12-31 98.5
2015-03-31 71.4
2015-06-30 16.2
2015-09-30 2.5
2015-12-31 37.5
2016-03-31 -18.2
2016-06-30 9.4
2016-09-30 -17.3
2016-12-31 41.5
2017-03-31 81.6
2017-06-30 -46.7
2017-09-30 -2.4
2017-12-31 -38.5
2018-03-31 109.4
2018-06-30 -44.2
2018-09-30 108.1
2018-12-31 -40.3
2019-03-31 18.5
2019-06-30 22.1
2019-09-30 3
2019-12-31 -7.8
2020-03-31 127.7
2020-06-30 -12.6
2020-09-30 -14
2020-12-31 68.5
2021-03-31 34.9
2021-06-30 -15.9
2021-09-30 25.1
2021-12-31 174
2022-03-31 -7.9
2022-06-30 52.3
2022-09-30 152.2
2022-12-31 -2.7
2023-03-31 77.1
2023-06-30 -16.6
2023-09-30 13.9
2023-12-31 -23.1