1979

5.2

1987

6.8

1965

0.0

1960

5.7

1970

7.7

1963

5.6

1958

7.6

1969

0.0

1978

6.2

1959

7.2

1976

6.3

1977

5.6

1964

7.3

1981

0.0

1968

7.0

1980

6.0

1968

7.0

1964

6.9

1962

6.4

1961

5.5

1973

5.3

1960

6.2