1986

7.7

1998

8.6

2023

10.0

1990

7.0

2010

6.7

2025

9.8

2019

6.8

2007

6.8

2010

8.2

2019

8.3

2015

7.8

2009

8.0

2013

8.4

2012

6.4

2018

9.6

2005

7.6

2021

6.9

2014

9.0

2015

8.6

2022

6.6