1954

5.7

1975

4.6

1969

5.0

1958

4.9

1978

5.9

1988

2.0

1968

0.0

1962

0.0

1974

5.8

1956

5.0

1978

4.7

1957

5.0

1971

10.0

1986

9.0

1955

5.0