2025

6.5

2019

8.1

2007

7.8

2000

8.2

1994

8.7

2025

7.4

2023

8.1

2025

6.9

1981

7.3

2020

7.7

2015

7.6

2009

7.0

2001

8.5

2024

7.1

2022

7.0

1987

7.3

2011

6.9

2016

7.9

1994

8.5

2016

8.5