2014

8.4

2006

7.1

2012

7.7

2002

7.5

2023

10.0

1998

7.2

2016

10.0

2020

6.8

2017

7.4

2004

8.2

2006

7.5

1996

5.8

2021

8.3

1974

7.1

2019

6.9

2018

7.9

2018

7.9

2015

7.7

2010

7.7

2001

6.8