2020

6.8

2021

7.9

2010

8.5

2019

8.4

2011

8.5

2022

8.6

2008

8.9

2013

8.1

1997

8.4

2013

8.7

2016

8.4

2014

8.6

2009

7.5

2024

8.6

2016

8.6

2020

8.5

2013

7.4

2017

7.6

2018

7.8