1962

0.0

1956

7.9

1972

0.0

1977

0.0

1965

7.0

1969

0.0

1953

0.0

1961

6.0

1960

5.5

1978

7.0

1969

7.6

1957

0.0

1971

2.0

1958

0.0

1949

0.0

1971

8.0

1958

6.8

1963

6.0

1968

0.0

1974

0.0

1977

0.0

1966

0.0

1965

5.9

1975

0.0

1969

0.0

1973

0.0

1974

0.0

1948

0.0

1976

0.0

1972

9.0

1958

0.0