2013

8.3

2012

7.9

2009

7.5

2019

8.5

1992

6.8

2017

8.4

2010

7.2

2015

7.7

2014

8.2

2010

7.5

2013

8.2

2020

8.4

2016

8.6

2016

8.4

2021

5.6

2015

8.1

2015

7.6

2023

7.8

2003

7.2

2016

7.0