1995

6.5

1993

5.5

2021

5.0

2018

8.7

1971

6.8

2007

10.0

2003

5.8

2024

4.0

2004

6.1

2016

7.0

2023

8.0

2010

5.5

2020

6.0

5.7

5.2

1987

5.0

2013

3.0

2019

9.0

2014

7.3