Year	Percent Change
1977-01-01	5.02223822893091000
1978-01-01	9.40226508006117000
1979-01-01	-0.87531658300035600
1980-01-01	5.57270892410192000
1981-01-01	7.55119439205962000
1982-01-01	0.89148387593978100
1983-01-01	-0.79888614912767700
1984-01-01	4.96753477435871000
1985-01-01	1.48294715170899000
1986-01-01	2.63270298517042000
1987-01-01	2.22773279379526000
1988-01-01	-0.30361958836948600
1989-01-01	2.28852205296519000
1990-01-01	3.35425506625327000
1991-01-01	4.26187067161554000
1992-01-01	4.27317396082007000
1993-01-01	2.57857567141989000
1994-01-01	2.03923643080636000
1995-01-01	-1.44819847039399000
1996-01-01	0.00409563406378859
1997-01-01	-0.21713148128622000
1998-01-01	0.06980230722597610
1999-01-01	0.05997317149677260
2000-01-01	-0.90309592583797500
2001-01-01	0.70833558367036600
2002-01-01	0.79289890872658200
2003-01-01	1.08950813508746000
2004-01-01	-0.44934353478443200
2005-01-01	1.20865915475009000
2006-01-01	0.58631299353629800
2007-01-01	1.20689883007655000
2008-01-01	4.55649209230493000
2009-01-01	4.51725647010236000
2010-01-01	-0.52774403565931000