1980

4.0

1981

0.0

1985

5.0

1989

7.0

1987

5.4

1954

5.0

1977

6.8

1980

5.2

1979

6.1

1977

4.2

1986

6.7

1978

4.7

1978

6.0

1987

5.0

1978

5.2

1980

5.0