Year	Percent Change
1996-01-01	22.1184497601694000
1997-01-01	18.7472682555181000
1998-01-01	13.1028444482050000
1999-01-01	5.3275615891386800
2000-01-01	3.6921372447087000
2001-01-01	2.7355308079274200
2002-01-01	-1.3580455024803600
2003-01-01	-2.8957736814414900
2004-01-01	-2.0517547221921700
2005-01-01	0.0727508195827338
2006-01-01	-0.1087092798448840
2007-01-01	2.7742842810670400
2008-01-01	6.9459683714650400
2009-01-01	3.0104190286973900
2010-01-01	2.3940688036351700