2017

6.8

2016

6.0

2010

5.8

2018

6.5

2011

4.3

2020

6.8

2024

6.9

2022

5.6

2012

5.5

2005

6.2

2017

6.4

2017

6.9

1956

7.1

2016

6.9

2009

5.5

2003

7.0

2013

5.7

2012

7.1

1993

6.6

2004

7.9