Quarterly Percent
1999-03-31 4.6
1999-06-30 -4
1999-09-30 -5.9
1999-12-31 -4.2
2000-03-31 0.8
2000-06-30 46.4
2000-09-30 57.9
2000-12-31 52.6
2001-03-31 37.1
2001-06-30 -8.5
2001-09-30 -16
2001-12-31 -14.6
2002-03-31 -13.8
2002-06-30 -3.1
2002-09-30 -5.7
2002-12-31 -8.8
2003-03-31 -0.5
2003-06-30 -0.4
2003-09-30 6.5
2003-12-31 12.3
2004-03-31 15.7
2004-06-30 10.1
2004-09-30 8.4
2004-12-31 10.5
2005-03-31 2.6
2005-06-30 15.3
2005-09-30 14.8
2005-12-31 10
2006-03-31 18
2006-06-30 15.8
2006-09-30 21.9
2006-12-31 16
2007-03-31 19.7
2007-06-30 21.7
2007-09-30 14.6
2007-12-31 11
2008-03-31 0.9
2008-06-30 -7.5
2008-09-30 17.4
2008-12-31 26.4
2009-03-31 14.3
2009-06-30 20.9
2009-09-30 -2.2
2009-12-31 2
2010-03-31 8
2010-06-30 3.7
2010-09-30 3.4
2010-12-31 5.6
2011-03-31 0.8
2011-06-30 10.9
2011-09-30 9.5
2011-12-31 -1
2012-03-31 2.7
2012-06-30 6.8
2012-09-30 -0.8
2012-12-31 10.8