1985

6.6

2019

8.1

2021

7.8

2000

8.2

2018

6.8

2023

7.0

2023

8.1

2020

7.7

1999

8.2

2011

6.9

2023

7.7

2007

7.8

1985

8.3

2024

7.2

2004

7.4

2023

7.4

2017

7.6

2020

7.3

1994

8.5

2009

8.2