Year	Percent Change
1971-01-01	9.8285760146689100
1972-01-01	3.7526163355783600
1973-01-01	2.0095595012948800
1974-01-01	17.8417044817964000
1975-01-01	25.6136863764422000
1976-01-01	11.3401263682706000
1977-01-01	10.8110627278693000
1978-01-01	0.0343591288248902
1979-01-01	-0.3604864151129480
1980-01-01	7.6111376379286100
1981-01-01	2.5528479778172400
1982-01-01	7.8241658203351200
1983-01-01	10.7543573012054000
1984-01-01	6.1535601429197900
1985-01-01	2.1884741371462100
1986-01-01	2.8218957199002900
1987-01-01	1.8139046938290400
1988-01-01	-1.7120162733222500
1989-01-01	3.7177991061980700
1990-01-01	3.7605257651663300
1991-01-01	6.9601482673243300
1992-01-01	6.5193444671248100
1993-01-01	6.4131506515985500
1994-01-01	2.7147835627494400
1995-01-01	-4.9921711940291900
1996-01-01	0.0437832693946731
1997-01-01	3.0376766919694100
1998-01-01	-0.3833210409672890
1999-01-01	2.3952461197827600
2000-01-01	3.9280506539665200
2001-01-01	6.1009662205218200
2002-01-01	-0.1657200583658240
2003-01-01	1.2272470795968500
2004-01-01	0.4426210340203840
2005-01-01	-0.2345085958726200
2006-01-01	1.7280039647517000
2007-01-01	4.5947883923126800
2008-01-01	3.2579686773787900
2009-01-01	2.8034831490219500
2010-01-01	0.4346689034195090