1991

6.5

1985

6.2

2001

5.1

2007

6.9

2021

3.4

2006

0.0

2025

5.0

2022

4.3

1996

8.0

2002

0.0

2021

6.0

2017

5.7

2003

5.1

2009

6.6

2023

8.0

2022

5.8

2016

7.0

2010

4.7

2004

3.4

2024

5.0