1995

6.6

2019

7.4

1993

4.0

2012

6.2

2005

5.8

2008

6.4

2007

6.6

2001

6.1

2005

6.3

1996

7.3

2017

8.0

2021

4.1

2015

5.0

1968

6.8

2025

8.3

2020

3.3

1993

4.1

2024

0.0

1997

7.0

2018

0.0