6.7

2022

6.9

2008

7.0

1979

6.0

1982

5.9

2012

5.7

1998

6.5

2019

6.2

2020

6.3

2022

6.1

2021

4.8

2002

7.1

2021

6.1

2017

7.3

2015

6.3

2024

7.3

2017

6.1

2017

9.0

1960

6.8

2018

7.5