1998

7.5

2022

7.8

2002

5.3

2009

8.1

2001

7.4

2020

8.5

1995

7.3

2007

7.3

1991

8.1

2015

7.9

2009

7.5

2023

6.0

2014

8.0

2021

8.2

2001

8.4

2003

7.7

2017

7.1

2008

7.4

2021

8.1

2021

7.6