1939

7.5

1993

7.1

2009

6.7

1939

6.7

1963

0.0

1936

5.2

1936

0.0

1937

6.8

1981

4.1

2001

5.0

1917

5.8

1938

7.1

1930

0.0

1980

4.7

2011

7.0

1934

4.0

1938

4.5

1942

5.8

1959

5.6

2001

4.8