1982

0.0

1979

0.0

1977

10.0

1975

0.0

1968

6.0

1980

0.0

1921

0.0

1964

0.0

1973

0.0

1972

0.0

1967

0.0

2000

0.0

1997

6.2

1950

3.0

1993

6.9

1936

6.5

1978

6.6

1927

5.9

1937

6.0

1961

7.3