2003

6.3

2006

6.9

1951

4.5

1989

6.7

1930

5.4

2006

6.4

2005

6.2

2007

6.9

2001

7.5

1941

6.5

1936

6.8

2011

5.0

1975

6.8

1936

4.7

1954

6.5

1939

6.9

2006

5.8

1952

5.6

2020

7.3

1964

6.1