Quarter	Net Percent
2000-04-01	34.9
2000-07-01	37.1
2000-10-01	37
2001-01-01	34.7
2001-04-01	25.4
2001-07-01	23.6
2001-10-01	16.7
2002-01-01	23.5
2002-04-01	29.6
2002-07-01	27.3
2002-10-01	28.8
2003-01-01	35.1
2003-04-01	22.3
2003-07-01	35.1
2003-10-01	44.4
2004-01-01	46.6
2004-04-01	41.6
2004-07-01	36.7
2004-10-01	43
2005-01-01	49
2005-04-01	41
2005-07-01	41.2
2005-10-01	47.9
2006-01-01	46.9
2006-04-01	49.2
2006-07-01	44.5
2006-10-01	47.6
2007-01-01	49.3
2007-04-01	40.7
2007-07-01	40.2
2007-10-01	41.4
2008-01-01	44
2008-04-01	31
2008-07-01	22.6
2008-10-01	4.0
2009-01-01	-11.1
2009-04-01	9.3
2009-07-01	26.3
2009-10-01	36
2010-01-01	43.1
2010-04-01	40.7
2010-07-01	38.7
2010-10-01	45.9
2011-01-01	38.6
2011-04-01	32.6
2011-07-01	18.7
2011-10-01	17.7
2012-01-01	26.5
2012-04-01	18.3
2012-07-01	16.1
2012-10-01	17.2
2013-01-01	18.4
2013-04-01	12.8