2002

6.9

2010

6.1

1957

7.2

1999

8.0

2006

7.0

2012

6.3

2012

7.2

2004

6.3

1896

5.2

1998

6.2

2011

6.9

2010

7.2

2006

5.6

1982

6.0

2009

7.3

2013

6.9

2009

6.5

2009

5.5

1923

8.5

2001

6.9