1957

8.0

1959

5.8

1956

6.8

1962

6.0

1977

7.0

1982

3.7

1972

7.1

1968

0.0

1979

0.0

1960

7.0

1993

7.0

1970

0.0

1991

7.0

1981

0.0

1970

6.0

1964

7.0