1980

6.2

1955

3.3

1967

6.1

1974

7.2

1978

5.8

1967

5.8

1953

6.0

1957

5.0

1974

6.1

1964

0.0

1956

6.6

1974

5.3

1959

6.1

1978

6.6

1959

6.5

1955

6.4

1952

7.9

1968

5.5

1961

5.6

1982

4.9

1951

6.3

1983

6.5

1961

7.3

1962

6.6

1965

5.4

1964

6.1

1962

6.3

1950

6.0

1976

5.7

1951

7.7

1984

5.7

1962

6.6

1968

6.7

1957

5.0

1959

6.1

1957

6.4

1957

4.8

1950

5.8

1967

5.8

1956

6.6

1964

6.3

1950

6.1

1953

5.5

1961

5.7

1958

6.9

1957

8.2

1956

6.9