1966

7.5

1977

4.2

1959

5.4

1978

0.0

1953

4.0

1964

10.0

1968

5.5

1976

7.8

1954

6.8

1989

6.4

1960

1.0

1954

0.0

1981

6.3

1971

6.0

1961

6.0

1973

7.2

1976

6.5

1967

6.7

1970

7.1