1964

5.8

1966

7.5

1986

8.0

1978

5.7

1983

0.0

1969

6.7

1980

2.0

1973

4.1

1961

0.0

1975

3.4

1967

4.5

1963

1.0

1971

4.0

1988

0.0

1970

0.0

1988

6.8

1965

5.6

1974

5.0

1958

0.0

1965

3.6