Year	Percent Change
1996-01-01	19.78852205739790000
1997-01-01	12.26816223257900000
1998-01-01	9.99543777533977000
1999-01-01	2.09411105280388000
2000-01-01	-0.69693036810734800
2001-01-01	-2.27211976074127000
2002-01-01	-3.18725681950147000
2003-01-01	-5.63859428178848000
2004-01-01	-4.35078921919803000
2005-01-01	0.20072463710014000
2006-01-01	-2.17025689225762000
2007-01-01	-0.00373404259493847
2008-01-01	6.33557552358059000
2009-01-01	-1.59303393859507000
2010-01-01	-6.31531975299870000