Quarter Percent 1998-06-30 12.3 1998-09-30 11.5 1998-12-31 -19.3 1999-03-31 15.8 1999-06-30 -1.6 1999-09-30 -3.6 1999-12-31 -11.2 2000-03-31 60.4 2000-06-30 37.2 2000-09-30 5 2000-12-31 -8.5 2001-03-31 34 2001-06-30 2 2001-09-30 8.5 2001-12-31 -1.1 2002-03-31 8.7 2002-06-30 7.4 2002-09-30 5.3 2002-12-31 -15.3 2003-03-31 11.3 2003-06-30 27.2 2003-09-30 8.9 2003-12-31 -2.7 2004-03-31 29.8 2004-06-30 17 2004-09-30 0 2004-12-31 8 2005-03-31 26.3 2005-06-30 35.1 2005-09-30 4.9 2005-12-31 16.5 2006-03-31 30.7 2006-06-30 11.5 2006-09-30 20.8 2006-12-31 19.6 2007-03-31 25.5 2007-06-30 35.7 2007-09-30 9.5 2007-12-31 5.7 2008-03-31 27.5 2008-06-30 2.4 2008-09-30 15.6 2008-12-31 22.6 2009-03-31 14.6 2009-06-30 7.4 2009-09-30 6.8 2009-12-31 3.4 2010-03-31 0.2 2010-06-30 -5.8 2010-09-30 -1.1 2010-12-31 -9 2011-03-31 5.4 2011-06-30 0.2 2011-09-30 -7 2011-12-31 -24.1 2012-03-31 -8.2 2012-06-30 -1.9 2012-09-30 1.6 2012-12-31 4 2013-03-31 -1.4 2013-06-30 5 2013-09-30 -3 2013-12-31 -13.9 2014-03-31 -5.2 2014-06-30 -7.5 2014-09-30 -7.9 2014-12-31 -10.1 2015-03-31 1.8 2015-06-30 -1.8 2015-09-30 -5.7 2015-12-31 -2.1 2016-03-31 6 2016-06-30 15.9 2016-09-30 6.4 2016-12-31 -1.8 2017-03-31 12.7 2017-06-30 9.3 2017-09-30 4.9 2017-12-31 -1.5 2018-03-31 -1.2 2018-06-30 5.8 2018-09-30 3 2018-12-31 10 2019-03-31 -12.8 2019-06-30 3.2 2019-09-30 2.7 2019-12-31 3.7 2020-03-31 53.1 2020-06-30 8.1 2020-09-30 5.3 2020-12-31 5.1 2021-03-31 4.7 2021-06-30 7.1 2021-09-30 10.8 2021-12-31 1.7 2022-03-31 13.6 2022-06-30 -3.7 2022-09-30 14.1 2022-12-31 -15.8 2023-03-31 -3.1 2023-06-30 1.8 2023-09-30 0.3 2023-12-31 3.6