1974

0.0

2006

6.7

1987

6.6

1988

7.4

1912

0.0

1915

0.0

1935

6.6

1984

8.0

1998

7.3

1957

8.5

1966

7.7

1958

7.7

1974

0.0

2002

7.1

1948

7.9

1961

7.2

2005

6.8

1975

10.0

1992

7.5

1929

7.5