Year	Percent Change
1971-01-01	8.7883187271858300
1972-01-01	7.7685596260240500
1973-01-01	-0.4414196350549140
1974-01-01	9.1507637719742500
1975-01-01	17.6982727698158000
1976-01-01	8.6784064846800900
1977-01-01	6.9059719054063400
1978-01-01	3.3397763020406000
1979-01-01	6.5004328748164200
1980-01-01	3.9525790169466400
1981-01-01	5.4444900284263800
1982-01-01	10.0695381164642000
1983-01-01	6.4295830500267700
1984-01-01	4.9230315584460000
1985-01-01	3.5336431850495500
1986-01-01	-2.3796319514739900
1987-01-01	-1.9403742181440000
1988-01-01	-0.6542008005869030
1989-01-01	3.7723861241805000
1990-01-01	2.3699266009462300
1991-01-01	6.1250635785583700
1992-01-01	8.6200944421408500
1993-01-01	1.7229049395717400
1994-01-01	0.0583634027021281
1995-01-01	5.2125710384224700
1996-01-01	3.5551850744054300
1997-01-01	-1.7455740069833900
1998-01-01	2.3808248796169900
1999-01-01	3.5317157766704000
2000-01-01	-1.4468812809165400
2001-01-01	-0.8117020669983150
2002-01-01	0.5040082858290290
2003-01-01	2.8162536697978000
2004-01-01	-0.0930934795481474
2005-01-01	-1.9310965745616400
2006-01-01	-0.9543313534329140
2007-01-01	4.1710926852754300
2008-01-01	7.3240375167996000
2009-01-01	3.9221558223994200
2010-01-01	0.4234687703630090