1991

6.0

1972

7.2

1982

7.6

1960

7.5

1972

4.5

1961

7.3

1970

5.4

1981

6.8

1972

0.0

1964

6.5

1969

5.2

1966

6.8

1964

0.0

1960

5.9

1990

6.0

1980

0.0

1972

4.0

1962

5.1

1967

5.5

1973

6.9

1967

6.9

1985

7.5

1967

3.2

1975

5.0

1965

6.4

1966

6.0

1963

4.4