1929

6.5

1978

7.4

1953

7.7

1961

7.2

2005

6.9

1933

6.0

1941

7.3

1939

8.0

2002

7.1

1948

7.9

1997

6.7

1931

5.6

1993

6.9

1994

7.1

1981

7.2

2014

6.3

1938

0.0

1993

6.9

1966

7.3

2014

5.9