1992

8.1

2019

8.1

2023

8.1

2018

6.8

2021

7.8

1985

8.3

2012

7.8

2001

8.5

2011

6.9

2000

8.2

1981

7.3

1994

8.7

2009

7.0

2019

7.4

2024

7.2

1994

8.5

2024

7.6

2020

7.7

1999

8.2

1972

8.7