Year	Percent Change
1996-01-01	13.22626373798280
1997-01-01	7.82659697819338
1998-01-01	8.12559034398363
1999-01-01	6.07121467595397
2000-01-01	6.50111907236006
2001-01-01	11.66368489434900
2002-01-01	10.54830920514670
2003-01-01	9.52873871350466
2004-01-01	6.05849356848113
2005-01-01	2.09387694801975
2006-01-01	5.09880391182733
2007-01-01	6.48118456243090
2008-01-01	6.22357933492646
2009-01-01	4.89420218198140
2010-01-01	4.10976681835091