1936

6.8

1998

6.7

1966

7.0

1968

6.5

1933

5.4

1984

0.0

1973

0.0

1998

6.3

1971

0.0

1978

0.0

1990

6.9

1985

7.1

1961

5.0

1934

7.8

1955

6.6

1977

0.0

1971

6.3

1983

0.0

1963

7.5

1977

6.3