2007

6.9

1994

6.1

1994

4.8

2006

6.9

2009

6.6

2011

6.9

2023

6.8

1923

6.8

2008

7.4

1953

6.9

1957

7.7

1937

6.7

1960

6.4

1936

5.9

1984

7.2

2007

6.5

2010

6.0

1987

6.2

2020

6.3

1946

7.6