1982

0.0

1955

5.3

1962

6.0

1965

6.8

1961

5.0

1969

5.5

1958

6.9

1953

5.5

1962

6.7

1968

5.8

1965

7.5

1966

6.3

1981

0.0

1980

0.0

1955

6.6