1966

4.5

1979

4.9

1970

4.3

1961

6.0

1984

6.3

1959

5.8

1980

5.2

1959

3.0

1978

0.0

1967

2.2

1966

0.0

1989

5.5

1957

6.2

1982

7.0

1963

5.7

1972

5.6

1969

0.0

1980

0.0

1958

4.8

1981

0.0

1986

7.0

1974

6.6

1962

6.0

1964

0.0

1985

0.0