1993

5.5

1924

7.8

2010

7.1

2009

7.9

1944

6.3

2008

4.8

1987

6.6

2001

7.2

1988

7.7

1958

6.2

2014

6.8

1964

6.9

2013

5.8

2009

6.7

1932

6.9

1975

4.5

1983

7.0

2002

5.8

1991

6.7

1950

7.1