1978

8.0

1973

4.0

1978

7.2

1963

7.9

1989

8.7

1974

7.3

1971

5.2

1979

6.0

1977

7.8

1994

7.7

1983

0.0

1988

0.0

1981

7.0

1991

5.9

1973

5.6

1996

7.0

1985

0.0

1972

5.6