1958

7.6

1956

5.3

1963

8.0

1978

6.7

1957

6.0

1957

6.0

1980

5.0

1968

0.0

1960

0.0

1960

0.0

1974

6.2

1965

5.3

1977

7.4

1962

6.7

1957

6.2

1963

0.0

1956

6.3

1964

6.8