2015

6.7

2016

6.7

2008

6.1

2002

7.7

1994

8.7

1957

8.5

1985

6.7

2001

7.2

2005

7.8

2013

6.5

2004

8.0

1943

7.5

1995

5.2

2010

6.6

2011

7.1

1921

7.8

2008

5.8

2001

7.9

2022

7.4

2011

8.1