1986

5.8

2011

9.5

1965

7.1

2018

6.0

2025

6.1

2022

6.3

2014

5.7

2020

5.5

2024

5.8

2017

6.5

2019

6.6

2017

6.3

2018

6.2

1979

10.0

2015

5.7

1980

5.9