1978

9.7

2004

7.6

2017

7.9

2006

7.0

2015

2.5

1986

8.0

2025

10.0

2018

6.3

2021

8.2

2024

4.5

2019

9.5

1987

4.2

1995

6.8

2021

3.3

2022

9.0

2013

7.0

2018

10.0