2011

6.3

2012

7.6

1996

6.7

1920

6.4

1993

7.0

1944

8.1

1995

6.2

2003

7.4

2014

5.6

2004

5.9

1982

7.7

2001

6.6

2013

4.7

2012

7.9

2002

7.5

2012

5.8

2010

6.6

1994

7.1

2002

7.3

1982

6.9