1969

6.7

1968

5.8

1963

6.8

1984

9.3

1970

6.0

1973

4.3

1962

6.1

1981

0.0

1944

5.8

1973

3.7

1972

8.1

1956

0.0

1971

6.5

1979

3.0

1954

6.2

1967

0.0

1965

7.0

1969

6.0

1976

6.4

1969

7.0

1964

5.0

1980

6.1

1968

6.4

1962

7.0

1969

5.0

1966

6.1