2008

8.9

2013

7.8

1995

7.8

2002

7.5

2010

8.5

2019

8.0

2017

7.7

2023

8.1

2016

7.6

2016

6.9

2021

8.3

2000

6.8

2014

7.2

2014

8.3

2016

8.0

1989

8.0

2003

7.5

2022

7.6

2010

7.8

2018

8.1