2005

8.5

1980

8.3

2013

6.6

2023

6.1

1972

7.4

2010

6.2

2013

7.0

2020

6.7

1980

6.3

2007

6.7

2023

6.6

2022

6.3

2021

5.6

2017

5.2

2017

6.8

2016

7.5

2015

7.3

2012

7.2

1888

4.8

2016

6.3