Year	Percent Change
1977-01-01	2.3407878425222900
1978-01-01	11.2316707273431000
1979-01-01	6.8546723092381900
1980-01-01	7.1197589821116400
1981-01-01	2.9067509583690900
1982-01-01	-2.4438119986794100
1983-01-01	5.0119523586373000
1984-01-01	4.1588093519901600
1985-01-01	7.9922354905865900
1986-01-01	5.8146654894736900
1987-01-01	6.0335684096826100
1988-01-01	3.4469927763416200
1989-01-01	1.7887232828813400
1990-01-01	5.9928011864534000
1991-01-01	6.5795106951661200
1992-01-01	6.7417296805188600
1993-01-01	2.4089429264609600
1994-01-01	1.8187367869592900
1995-01-01	2.3406757565858400
1996-01-01	2.8571874996737900
1997-01-01	1.0443007074359900
1998-01-01	0.0511257753599625
1999-01-01	0.6248845678549960
2000-01-01	-0.2883837397636270
2001-01-01	1.3956709955041700
2002-01-01	1.9223955906139300
2003-01-01	0.9812481452884210
2004-01-01	1.0499789274571500
2005-01-01	2.0661428030981500
2006-01-01	2.1312981387077600
2007-01-01	2.6519597525581500
2008-01-01	1.8133738196704900
2009-01-01	0.8284323845362570
2010-01-01	1.5219445832442300