1997

6.5

2010

5.9

2001

6.2

1998

6.8

1988

5.2

2023

10.0

2017

5.5

1999

5.8

1999

6.1

2025

0.0

2006

7.0

1997

7.5

2007

5.6

2022

2.0

2016

6.0

2005

5.6

2005

5.4

2014

4.3

2019

5.0

1996

5.9