2003

8.0

1987

6.5

1976

8.1

2008

8.5

2004

6.6

2005

7.5

1995

5.4

1974

4.5

1981

5.1

1970

6.3

2025

5.5

2023

6.8

1986

5.8

2010

5.8

2011

6.5

1972

7.1

1954

6.4

1997

3.0

1949

6.0

2017

5.4