2010

5.0

2012

7.8

2011

7.0

2014

7.7

2011

6.1

2017

7.6

2023

7.9

2008

7.4

2011

6.9

1997

5.3

2011

6.8

2011

7.5

1972

8.7

2015

7.3

2022

6.7

2007

6.5

2022

6.1

2016

7.6

2008

7.7

2004

8.4