1989

8.0

2021

10.0

2025

10.0

2022

5.4

1993

7.9

2008

6.0

2005

6.2

2008

8.0

2006

7.0

1952

6.3

1986

7.7

2016

6.9

2009

7.3

2024

7.8

2000

7.0

2013

8.7

1980

6.1

2020

7.0

2002

6.0

2001

7.6