1960

6.3

1947

6.7

1943

6.9

2000

5.8

2004

6.7

1953

6.8

1945

6.8

1947

6.5

1946

6.0

1948

6.1

1942

5.7

1942

5.6

1949

6.7

1944

6.3

1943

6.4

1945

5.7

1940

6.6

1937

6.7

1943

6.6

1946

5.9