1996

6.8

1994

6.6

1933

7.3

1936

8.3

1960

6.6

1924

8.1

1916

6.2

1970

7.5

1997

5.3

2006

5.9

2003

6.3

1920

0.0

1967

6.5

2003

5.6

1988

7.4

2003

6.4

1995

6.3

1962

3.5

1914

0.0

1915

0.0