2008

8.9

2010

7.7

2016

7.3

2005

7.1

2022

6.8

2017

7.5

2009

7.4

2004

7.9

2024

7.4

2016

7.2

2017

6.7

1995

8.1

2019

7.0

2007

7.6

2013

7.9

2023

8.0

2014

6.4

1989

8.0

2012

6.7

1974

7.7