1981

7.7

1955

7.7

1971

8.1

1967

6.0

1948

7.0

1966

5.9

1984

5.7

1981

6.1

1957

7.6

1972

0.0

1973

6.6

1950

7.5

1960

6.2

1981

0.0

1946

6.5

1959

5.0

1969

5.5

1949

6.7

1971

0.0

1947

5.8

1964

7.1

1979

5.8