1998

5.5

1960

5.6

1973

6.3

1991

6.0

1987

6.0

1996

7.0

1961

5.0

1989

5.3

1988

5.2

1959

0.0

1962

5.0

1980

0.0

1961

6.8

1963

7.3

1962

7.3

1979

5.0

1962

6.0