Year	Percent Change
1971-01-01	5.4825757404457700
1972-01-01	5.9167322755659200
1973-01-01	7.8387122390722300
1974-01-01	14.8191355382445000
1975-01-01	13.8176643329221000
1976-01-01	8.8818308471095900
1977-01-01	8.0761020733815100
1978-01-01	4.9435324393873500
1979-01-01	7.9177339746098200
1980-01-01	12.1485516682237000
1981-01-01	17.6145852799767000
1982-01-01	8.7581003457627600
1983-01-01	1.9380651576837600
1984-01-01	4.5453446905435200
1985-01-01	3.3780490739832500
1986-01-01	2.4186884498758600
1987-01-01	5.1253655766324000
1988-01-01	5.6224335334648000
1989-01-01	4.7041583675373300
1990-01-01	4.5262730769386400
1991-01-01	4.6114416380016700
1992-01-01	-0.0228612842488142
1993-01-01	-0.5794180420917560
1994-01-01	-1.6585879769967100
1995-01-01	1.1239615703904100
1996-01-01	2.3895953725821600
1997-01-01	3.0520470456684500
1998-01-01	1.9365690486256700
1999-01-01	-0.2418190135538930
2000-01-01	3.0610610506973700
2001-01-01	0.5284600175076760
2002-01-01	-0.7834907238905680
2003-01-01	1.7567623193605000
2004-01-01	2.5497281632426000
2005-01-01	1.4234799590757100
2006-01-01	2.7111552468208300
2007-01-01	2.1523577057929000
2008-01-01	0.6723382257972500
2009-01-01	-0.4970367853879780
2010-01-01	0.9086067421544600