1957

6.8

1974

6.3

1983

3.5

1965

6.8

1967

6.1

1986

5.0

1977

5.9

1962

0.0

1970

6.3

1958

0.0

1995

6.0

1972

5.5

1960

7.2

1961

7.7

1961

7.0

1970

4.7

1979

10.0

1959

7.2

1971

7.6

1962

7.3

1959

6.2

1973

6.6

1981

5.2