7.9

2017

7.8

2023

6.4

6.6

6.6

1989

6.2

1972

6.6

2020

6.4

2005

5.2

2022

6.5

2011

6.6

1985

6.1

2020

6.7

2013

6.2

2015

6.4

1980

5.9

2008

6.7

2020

6.5

2023

6.6

2015

6.1