2007

6.9

1966

6.1

5.3

1979

7.3

2010

7.4

2012

6.3

2024

8.1

2011

6.2

2017

6.0

2007

7.2

2009

6.7

2006

6.0

2011

7.3

2013

5.9

2025

7.1

2014

5.1

2008

7.5

2010

7.2

2016

6.1