1976

7.3

1918

6.0

1997

6.4

2009

6.2

1986

6.6

1937

6.2

2010

7.3

2014

6.2

1966

6.1

2010

7.1

1987

6.3

1963

5.5

2008

5.2

1936

6.1

1935

6.0

1920

7.1

2006

6.7

2014

7.0

1961

6.4

1923

6.3