2004

10.0

2014

5.9

2019

6.1

2020

5.8

2015

6.4

2006

6.3

5.6

2024

5.6

2020

6.1

1975

4.5

2013

6.1

2014

5.4

1974

6.3

2015

5.1

6.3

2007

5.4

2021

7.5

2023

7.0

2016

6.9