1985

5.3

1979

6.3

1972

1.0

1983

0.0

1973

6.0

1978

7.0

1985

5.2

1980

4.8

1972

2.6

1971

8.4

1975

6.5

1984

2.0

1976

6.4

1981

0.0

1974

3.4