1988

6.2

2021

6.1

2024

9.9

2025

6.1

2001

6.8

1996

6.5

2006

6.8

2006

6.0

2007

5.7

2022

7.2

1999

5.9

2012

6.4

2020

6.5

2022

7.2

1993

6.6

1994

6.2

2008

4.1

1992

5.0

2017

6.9

2019

6.7