1997

7.6

2004

6.0

2008

7.0

1975

4.3

2010

6.9

2014

6.4

2023

6.7

2017

5.6

2018

6.5

2003

8.0

2022

8.0

2024

0.0

0.0

2021

0.0

2025

8.0

2021

6.0

10.0

2022

10.0

2022

10.0

0.0