2007

8.1

2020

7.3

2011

7.2

1997

7.4

2023

9.2

2024

5.7

1928

6.0

2014

7.7

2017

4.4

2016

9.7

2022

9.9

2012

9.4

2018

8.3

2000

6.5

2018

5.7

2018

6.3

1990

7.3

2017

7.5

1995

9.6