Year	Percent Change
1971-01-01	5.1189655757588300
1972-01-01	4.3418782616522500
1973-01-01	6.4645455613790200
1974-01-01	15.7235648484735000
1975-01-01	15.6994954285504000
1976-01-01	8.1178459819118400
1977-01-01	6.3232180407586100
1978-01-01	5.3482110031168600
1979-01-01	7.7844549826659800
1980-01-01	11.9883314807549000
1981-01-01	15.3627776459694000
1982-01-01	10.4266151492361000
1983-01-01	0.1469989957477780
1984-01-01	1.1517804131165600
1985-01-01	3.2330766154795900
1986-01-01	3.6336715430921900
1987-01-01	4.5563528660974200
1988-01-01	5.2788574577546100
1989-01-01	5.7888984968479700
1990-01-01	4.4344685366558200
1991-01-01	4.3452570621998700
1992-01-01	0.4557941687092990
1993-01-01	-1.1123898853801500
1994-01-01	-1.8636900319268400
1995-01-01	1.1240965360433700
1996-01-01	2.1425528548828300
1997-01-01	2.2782043523927500
1998-01-01	1.6000669515383300
1999-01-01	-0.2841325700164810
2000-01-01	1.4902811449907600
2001-01-01	2.8408852615773100
2002-01-01	-0.0701560710923797
2003-01-01	2.4242612767179300
2004-01-01	3.2148631514282400
2005-01-01	2.2555782979071200
2006-01-01	4.4910595334841600
2007-01-01	3.3693031284508000
2008-01-01	2.6792312935610300
2009-01-01	0.3522637553389330
2010-01-01	0.4320021796142830