Year	Percent Change
1971-01-01	8.8372271852716100
1972-01-01	8.7703816146743200
1973-01-01	8.7361610195956600
1974-01-01	9.3884447033960600
1975-01-01	7.3208660547138900
1976-01-01	2.0996092444731800
1977-01-01	1.8474010989026300
1978-01-01	1.9773245605267600
1979-01-01	2.7145529410543000
1980-01-01	6.8085643742500500
1981-01-01	5.3502434919385800
1982-01-01	5.6329622870947100
1983-01-01	1.1795458492592800
1984-01-01	0.6372545370736850
1985-01-01	1.2651347557020300
1986-01-01	2.2434622212696100
1987-01-01	1.6842102757019500
1988-01-01	-0.0929227171679074
1989-01-01	0.7570217625255010
1990-01-01	0.7476899402041280
1991-01-01	4.1800756093997700
1992-01-01	6.0317220439446600
1993-01-01	4.4877064718152200
1994-01-01	0.7713788834861960
1995-01-01	1.4306871013699300
1996-01-01	0.5579460557645720
1997-01-01	-1.9246463362488400
1998-01-01	-2.1096542234232900
1999-01-01	-0.7094250799740840
2000-01-01	-1.9505833741120200
2001-01-01	-0.7398178255574660
2002-01-01	0.4054615994884460
2003-01-01	-0.0811900345089264
2004-01-01	-2.5352177977804200
2005-01-01	-1.5649000492778200
2006-01-01	-2.2159031234551700
2007-01-01	-0.7713784925897380
2008-01-01	3.4436585545276700
2009-01-01	3.0360744647980300
2010-01-01	-2.0659989267007900