2011

8.5

2023

8.1

2019

8.7

2016

7.7

2018

8.3

1990

8.0

1998

7.1

2021

7.5

1999

7.9

1986

8.4

2001

7.8

1999

8.4

1988

8.1

2019

7.3

2017

8.4

2024

7.6

2021

7.7

2025

8.3

2016

8.3

2024

7.5