2006

7.9

2015

7.7

2018

7.8

1990

6.9

2023

8.1

2014

7.1

2013

8.2

2020

8.1

2002

8.6

2017

8.2

2007

8.5

2016

8.0

2005

8.2

2020

7.2

2011

8.3

2004

7.4

2016

8.0

2004

7.9

2005

8.3

2017

8.2