1992

6.3

1941

7.4

1943

6.5

1944

6.6

1945

6.9

1942

7.1

1956

6.5

1958

6.6

1951

6.3

1942

7.1

1948

6.7

1947

6.8

1940

6.9

1945

7.0

1948

7.3

1946

7.4

1942

6.8

1946

6.9

1945

7.2

2014

6.0