1945

5.5

1965

6.4

1945

4.8

1946

6.6

1955

6.5

1977

7.0

1968

6.6

1949

5.4

1966

7.6

1952

5.2

1950

5.4

1949

5.6

1960

7.5

1952

7.3

1953

7.1

1971

5.7

1966

6.1

1949

6.2

1962

6.3

1972

7.1

1954

7.5

1968

5.5

1949

7.3

1949

6.1

1973

6.6

1950

7.0