1936

5.7

2007

7.4

2004

8.0

1985

7.0

1956

6.7

1979

6.1

1936

6.4

1937

7.8

1963

7.7

1993

6.3

1943

8.2

1954

8.5

1994

6.6

1959

7.2

2004

6.1

1970

7.5

1985

4.1

1985

6.9

2009

6.0

2014

6.8