1954

7.3

1985

5.7

1972

6.3

2005

6.2

2005

6.3

1978

8.0

1994

6.2

2001

6.9

1995

5.1

1935

6.8

1975

7.3

2021

5.4

1962

6.6

1962

6.1

1941

5.9

2011

5.5

1932

7.1

1931

7.2

1979

7.3

2011

6.5