1911

0.0

1995

6.6

1957

8.1

1915

6.0

1927

7.8

2003

6.3

1928

8.0

1998

6.6

2000

8.1

1925

7.6

1967

7.3

1979

6.9

1922

7.1

1995

7.7

1979

7.7

1974

6.7

1993

7.4

1968

7.1

1924

7.4

2006

7.1