1966

6.8

1969

5.5

1968

0.0

1976

0.0

1975

6.5

1970

0.0

1968

6.5

1963

8.5

1981

0.0

1978

0.0

1978

0.0

1976

0.0

1978

0.0

1972

0.0

1973

0.0

1974

0.0

1968

0.0

1985

0.0

1971

5.0

1967

5.0

1977

6.5

1984

7.8

1977

7.5

1972

0.0

1969

6.0

1978

7.0

1985

7.2

1971

7.0

1972

0.0

1977

0.0

1975

7.0

1960

0.0

1979

0.0

1967

6.0

1970

0.0