1945

5.7

1965

6.4

1945

4.8

1962

7.7

1946

6.7

1955

6.6

1977

6.9

1972

7.7

1968

6.7

1949

5.4

1966

7.6

1952

5.5

1950

5.3

1949

5.4

1966

7.2

1960

7.6

1952

7.3

1953

7.1

1952

5.5

1953

6.5

1980

7.3

1971

5.8

1966

6.1

1949

6.2

1962

6.3

1957

5.0

1972

7.1

1954

7.8

1968

5.7

1949

7.3

1949

6.1

1964

7.7

1973

6.6

1950

6.8

1950

6.5