2013

8.7

2016

8.6

2018

8.6

2018

8.0

1992

6.8

2004

8.3

2020

8.1

2021

7.9

1989

8.3

1996

7.7

2014

7.8

2023

8.8

2018

8.5

1999

7.7

2020

8.3

2001

7.6

2017

7.9

2018

8.5

2015

8.2

2021

7.6