5.7

2018

6.7

1970

4.6

1993

5.6

2012

6.0

2022

5.2

2015

5.8

2025

5.0

2005

8.3

2011

6.6

2020

9.4

2022

8.7

2024

4.6

2020

5.8

2013

6.9

1987

6.9

1956

7.1

6.2

2015

4.9

2019

5.4