2011

5.7

2008

6.2

1977

6.5

1916

6.6

1916

6.2

2013

7.3

1969

6.4

2008

6.5

1916

6.7

1999

6.2

2008

6.4

1935

4.5

1992

7.8

1987

5.0

1952

7.1

1937

6.2

2001

6.0

2014

6.2

1937

6.7

1935

6.5