2007

6.9

2004

8.6

2004

8.3

1981

6.5

1993

6.6

2014

7.3

5.8

2003

8.2

2011

6.0

2020

7.6

2016

7.1

2022

6.8

1989

8.4

2023

6.9

2025

5.9

2020

7.3

2011

7.1

2007

7.9

1997

8.3

2022

7.7