2021

6.7

2019

6.5

2018

6.0

2015

6.6

7.0

2011

6.6

2024

6.0

2023

6.8

2010

6.4

2011

5.4

6.6

6.6

2017

5.9

7.9

0.0

2009

6.1

1996

6.5

2018

6.3

2021

6.1