1974

7.9

1988

7.5

1988

6.1

1965

6.9

1995

6.4

1991

6.8

1946

7.6

1994

6.6

1980

5.3

2007

6.2

2025

5.8

1994

6.2

1991

2.3

1936

7.3

2014

5.0

1957

7.0

1994

5.7

1980

5.5

1966

6.7

2004

6.1