2003

6.7

2010

5.3

1994

1.0

2004

5.3

1974

1.0

1974

0.0

1987

0.0

2002

8.0

2013

6.3

2007

6.0

2008

7.3

1994

0.0

1976

0.0

2009

6.5

2003

5.7

2000

4.8

2008

7.2

1987

4.7

2014

6.7

1997

6.0

2014

6.3

1970

6.1

1976

3.3

2001

6.2

1993

0.0

2001

4.2

1993

0.0

1991

1.0