1994

6.8

2019

8.7

2010

8.5

2018

8.3

2015

7.5

2025

7.4

2023

8.1

2001

8.6

2013

8.0

2002

8.6

2014

5.9

2016

8.6

1990

6.9

2016

7.6

2014

7.5

2020

7.3

2006

8.6

1993

7.9

2008

7.2

2024

7.2