1957

6.0

1963

7.9

1976

7.0

1984

4.0

1975

6.2

1980

5.0

1987

6.5

1957

6.8

1970

0.0

1980

6.5

1981

6.4

1958

6.5

1954

7.1

1973

7.6

1968

6.9

1978

5.2

1984

6.6

1956

6.0

1957

5.7

1954

5.9

1953

5.5

1979

1.3

1955

6.0

1976

5.7

1954

4.6

1965

5.0

1960

6.4

1957

6.0

1971

7.6

1956

0.0