1971

7.3

1971

6.5

1971

3.5

1969

6.4

1962

6.3

1959

6.7

1965

6.2

1985

0.0

1983

7.1

1980

8.0

1953

5.8

1965

6.0

1967

6.1

1970

5.4

1972

6.2