2006

9.3

1992

6.8

2004

5.8

2020

6.9

2008

7.2

2024

7.1

1974

7.0

2010

6.0

2017

5.7

1995

7.7

2022

6.2

2000

6.9

1993

6.9

2015

9.7

1990

6.8

2013

7.7

2016

7.7

2023

6.1

2018

8.2