1980

7.9

2007

6.9

1991

6.5

2002

4.8

2013

5.0

2013

5.7

1995

6.4

1994

7.4

2002

6.7

1997

7.8

2025

0.0

2003

7.2

2020

7.0

1993

6.9

2005

0.0

2019

7.0

2021

1.0

1997

6.1

2024

0.0

2018

6.6