1965

5.5

2010

7.0

2011

3.1

2011

6.2

2011

5.4

2011

7.2

2006

5.9

1985

6.1

2020

6.0

2002

4.6

2008

7.7

2010

7.9

2010

6.4

2022

5.0

2013

7.6

2017

7.4

2007

8.1

2006

6.1

1920

6.7

2006

7.2