2020

7.7

2016

8.6

2011

8.5

2021

7.9

2019

8.7

2021

8.2

2013

8.1

2008

8.9

2018

7.7

2005

8.2

2005

8.1

2021

7.8

2017

8.1

1999

8.6

2001

7.8

2023

8.5

2015

8.1

2011

8.3

2019

8.3

2021

8.2