Year	Percent Change
1988-01-01	97.297587753593300
1989-01-01	61.237081789244500
1990-01-01	59.502406451312500
1991-01-01	73.771634757065400
1992-01-01	63.110420513081500
1993-01-01	68.689397945075600
1994-01-01	69.927895728077000
1995-01-01	54.605980952355900
1996-01-01	76.621088519784200
1997-01-01	93.016890875819600
1998-01-01	64.316698032383000
1999-01-01	51.400015341829300
2000-01-01	30.026231441927700
2001-01-01	69.874065237985800
2002-01-01	8.835954781972560
2003-01-01	-0.616245089025998
2004-01-01	10.414655078760900
2005-01-01	32.520624865897900
2006-01-01	20.121495957400000