1961

5.0

1962

6.5

1984

5.1

1959

5.2

1960

0.0

1955

6.1

1984

7.2

1962

6.7

1965

6.7

1970

5.5

1986

6.7

1989

8.3

1953

5.4

1983

7.5

1967

5.3

1978

0.0

1954

6.8

1954

2.8

1966

6.6