2020

6.4

2023

6.8

2021

6.7

2018

6.3

6.6

2020

6.4

6.6

2021

6.1

1972

6.6

2011

6.4

2022

5.2

1975

7.0

2015

6.6

2018

6.5

2015

6.4

2008

6.7

1996

6.5

2024

6.8

1985

6.1

2023

5.4