1980

3.7

1976

2.0

1977

3.0

1976

7.1

1974

0.0

1975

2.0

1980

6.0

1976

3.0

1979

2.3

1977

5.8

1985

2.0

1982

1.7

1977

2.0

1976

2.3

1973

4.5

1976

5.0

1986

7.1

1976

6.0

1973

5.1

1979

4.1

1982

0.0

1977

2.0

1976

0.0

1977

3.8

1980

0.0

1975

5.0

1974

5.0

1976

4.7

1978

4.4

1976

5.1

1975

4.0