1960

5.3

2011

7.4

2014

7.8

2005

8.0

2015

6.3

2020

7.6

1997

7.5

2009

7.1

2018

6.2

2024

6.6

2018

7.9

2011

7.4

2004

0.0

2023

6.2

2022

6.4