2007

6.0

2009

0.0

1997

5.4

1981

4.3

1991

4.2

2007

6.0

1999

4.0

2009

6.0

2004

6.6

1986

5.9

2001

3.7

2007

6.0

2006

1.0

2004

4.8

1994

0.0

2006

0.0

2001

9.4

2003

0.0

1971

6.4

2011

0.0

1970

6.1

2001

6.2

1995

4.8

2010

0.0

1995

4.6

1992

3.4

2003

6.8

2005

6.0