2017

6.0

2007

6.2

2004

7.4

2006

6.4

2005

6.6

2021

7.0

2016

5.2

2016

6.0

2000

6.5

2019

0.0

1999

4.5

1972

4.8

2003

7.1

2023

3.0

2014

4.4

2018

0.0

2022

6.2

2012

3.7

2016

4.0

2017

5.8