1984

6.1

2024

8.4

2009

5.6

1968

6.3

2018

6.0

2022

6.9

2020

5.6

2020

7.5

2008

7.4

1994

6.2

2022

8.2

2021

6.4

2003

7.3

2022

8.0

2012

6.4

2023

6.7

1998

5.7