1979

5.5

1989

6.0

1977

6.8

1966

6.6

1983

4.4

1958

4.0

1975

6.0

1973

3.8

1974

6.3

1988

6.4

1967

7.5

1948

6.5

1964

4.5

1962

5.4

1963

5.5

1961

4.8

1964

5.0

1969

0.0

1962

7.3

1957

5.7