6.6

2024

7.2

2010

7.9

2009

8.5

2021

6.3

1985

6.1

2016

6.9

2020

7.4

2023

6.8

2015

6.6

2018

6.3

6.6

2023

6.6

2020

6.3

1972

6.3

2014

6.0

2015

6.4

2023

6.4

1972

6.6

2015

6.9