1966

7.0

1953

7.3

1962

6.3

1955

7.1

1982

4.9

1949

7.0

1952

6.3

1964

6.1

1963

6.6

1971

6.5

1984

5.7

1946

6.6

1965

7.0

1965

6.0

1944

5.5

1973

6.9

1963

6.2

1967

6.0