2010

6.5

2008

5.5

1968

6.9

2020

6.1

2017

6.0

6.7

2017

6.3

2021

7.0

2022

7.3

1982

5.9

1993

6.1

2021

5.2

2021

9.2

2024

7.6

2023

7.1

2006

5.4

2012

5.7

2015

5.9