Year	Percent Change
1988-01-01	68.67989277509750
1989-01-01	102.30040147769900
1990-01-01	79.46185901999410
1991-01-01	94.82800031359620
1992-01-01	61.62581860167700
1993-01-01	48.50428647008650
1994-01-01	73.42063336752410
1995-01-01	49.15148862686280
1996-01-01	69.34053928174530
1997-01-01	85.68138594056820
1998-01-01	80.20389393088970
1999-01-01	94.30779009871540
2000-01-01	44.65940219024920
2001-01-01	44.86666723458270
2002-01-01	33.04263970849860
2003-01-01	12.37218782049400
2004-01-01	6.17600273121601
2005-01-01	6.07198164090736
2006-01-01	2.00601895990318