1986

8.4

2004

6.5

1989

7.7

2023

8.3

2023

8.5

2019

8.6

2025

7.6

2018

8.2

2012

6.8

2010

6.9

2016

8.2

2020

7.6

2015

8.2

2017

7.8

2013

8.7

2019

8.5

2006

8.0

1993

6.6

2000

7.6

2024

9.1