1978

5.6

1972

4.5

1974

6.1

1960

6.0

1953

5.7

1960

6.3

1961

0.0

1959

6.1

1986

3.5

1978

7.0

1979

6.2

1960

5.3

1970

7.1

1954

0.0

1963

6.7

1957

5.9

1955

0.0