1973

5.8

1974

1.5

1974

6.7

1976

5.7

1978

3.3

1971

2.5

1975

1.0

1971

2.5

1972

2.5

1973

5.3

1995

8.0

1974

2.0

1977

0.0

1982

7.5

1974

2.7

1973

1.0

1978

0.0

1976

0.0

1972

3.7

1971

4.7

1973

2.5

1976

4.5

1980

4.8

1972

3.3

1974

4.0