2003

3.5

2004

4.2

2006

6.4

2003

5.8

2001

7.2

2018

6.8

2007

7.7

2017

7.4

2020

5.1

2021

7.7

2018

7.4

2025

5.5

2022

7.5

2008

7.6

1963

7.0

1988

5.1

2018

5.9

2002

6.5

2001

5.2

2023

4.5