1957

6.7

1919

6.3

2006

6.6

1930

5.8

1995

6.1

2001

7.1

2008

4.1

1920

6.9

1979

10.0

1916

0.0

1941

5.1

2014

4.2

2014

6.2

1915

6.5

2001

6.0

1921

6.7

1980

2.5

1944

7.3

1942

6.8

1945

7.2