5.3

2011

5.6

1974

6.3

2011

6.6

2014

5.9

2009

5.9

2008

5.8

2014

5.8

2007

5.7

2019

6.6

1966

6.2

2021

5.7

1975

4.5

2023

6.1

2017

6.9

2003

5.3

2015

6.4

2020

6.7

2022

6.5

2012

5.7