1972

6.0

1974

6.0

1958

7.5

1969

3.5

1970

3.0

1989

5.8

1988

4.4

1983

0.0

1977

6.8

1985

5.9

1993

2.0

1998

0.0

1992

6.0

1987

7.5

1960

0.0

2008

6.1

1971

0.0

1971

4.0