1986

5.4

1978

8.0

1977

5.4

1974

4.8

1972

5.2

1982

7.8

1978

0.0

1988

7.0

1996

7.2

1973

2.3

1967

4.3

1990

6.6

1970

4.2

1984

2.0

1973

0.0

1982

7.0

1970

0.0