Year	Percent Change
1979-01-01	13.277583523581800
1980-01-01	17.018231513424600
1981-01-01	14.566245195538600
1982-01-01	10.509307236175200
1983-01-01	-2.614174882309190
1984-01-01	-2.416532083681300
1985-01-01	17.722864466763500
1986-01-01	14.622413764330300
1987-01-01	11.348962805054400
1988-01-01	2.634648784939930
1989-01-01	3.090924822469130
1990-01-01	6.002359254093320
1991-01-01	2.665194810607660
1992-01-01	-2.759614175907350
1993-01-01	-1.719949122113420
1994-01-01	2.095159460713600
1995-01-01	1.333440086416120
1996-01-01	2.596039884548410
1997-01-01	1.507742962321530
1998-01-01	1.634037510454400
1999-01-01	-2.069117029859900
2000-01-01	-3.168226510113130
2001-01-01	6.272342862432770
2002-01-01	0.132713872464780
2003-01-01	2.297693528944270
2004-01-01	4.133521606566290
2005-01-01	5.097947202946950
2006-01-01	5.334577044933120
2007-01-01	1.267651710604710
2008-01-01	3.397627959136630
2009-01-01	-0.225880026229272
2010-01-01	0.982047179049478