1970

4.9

1966

7.3

1958

7.6

1955

6.1

1962

7.3

1953

5.3

1972

5.5

1950

4.6

1972

5.3

1955

5.3

1985

6.0

1956

6.7

1965

6.8

1970

5.7

1974

5.5

1953

5.8

1967

5.4

1959

3.7

1961

6.4

1986

5.0

1967

6.6

1975

5.5

1960

0.0

1971

6.9

1955

7.6

1983

4.8

1953

5.5

1956

5.2

1971

6.8

1967

7.7

1953

6.6

1954

5.7

1985

6.6

1955

0.0

1953

6.4

1956

7.1

1958

7.4

1976

7.7

1971

7.6

1960

7.2

1957

7.2