2020

9.8

2018

9.6

1999

8.0

2003

8.2

2006

7.6

2004

7.9

1996

6.8

2023

8.4

2014

7.7

5.8

2017

7.4

2006

4.8

2004

8.3

1998

7.1

2014

6.8

1967

7.7

2004

8.6

2021

5.2

2015

7.7

2025

8.6