1979

6.8

1959

5.7

1969

6.7

1955

6.0

1955

5.6

1964

7.9

1959

6.0

1979

7.1

1955

5.0

1971

6.6

1971

8.1

1975

5.0

1954

6.0

1972

7.8

1957

6.0

1953

0.0

1956

7.6

1971

6.1

1952

5.1

1952

6.2

1963

6.6

1982

7.5

1972

7.7

1967

6.7

1976

7.5

1965

7.2

1973

5.7

1983

8.2

1951

7.2

1972

6.9

1955

4.5

1958

6.7

1951

5.3

1951

4.5

1977

6.3

1965

6.1

1969

5.4

1965

5.4

1959

6.0

1963

7.2

1971

0.0

1977

6.3

1968

6.2

1968

6.6

1957

6.3

1952

4.7

1974

7.3

1958

7.8

1957

6.4

1956

6.1

1958

6.8

1958

5.8

1959

4.2

1956

0.0