5.4

2019

6.3

1968

6.4

2012

6.2

1989

6.1

1977

6.0

2013

6.1

1927

5.7

2017

5.9

2019

6.0

2021

5.4

2020

7.2

2011

7.5

2022

6.0

2014

4.7

2016

5.8

2015

5.9

2022

6.2

2012

6.4