Year	Percent Change
1996-01-01	39.040776978049500
1997-01-01	1.233285598992830
1998-01-01	15.786563821207600
1999-01-01	6.405621206344470
2000-01-01	19.122141705830000
2001-01-01	8.091140127912860
2002-01-01	0.824439093751514
2003-01-01	13.718339279863700
2004-01-01	22.040256440048900
2005-01-01	9.046531908335160
2006-01-01	2.488606786725460
2007-01-01	3.258199055243970
2008-01-01	3.548910795070480
2009-01-01	2.798259720913100
2010-01-01	3.402621658911780