2021

6.2

1975

4.5

2015

6.4

2020

6.8

5.7

6.4

5.0

2009

3.8

2025

5.0

1993

5.6

2022

4.5

6.8

2009

7.1

2016

5.4

2014

6.6

2024

4.8

2017

5.8