2011

6.4

2008

6.1

2020

7.1

1999

7.6

2010

9.1

2016

8.9

2017

7.4

2015

7.3

2004

7.7

2021

5.4

2017

6.4

2021

4.6

2025

0.0

1987

5.3

1955

6.1

2013

7.7

2019

4.3

2012

7.3

2012

6.2

2019

6.7