2021

6.2

1975

4.5

2015

6.4

5.0

2014

8.4

2010

6.4

2014

5.6

0.0

2012

6.1

2020

6.8

2010

7.9

2017

4.9

2018

7.1

2014

5.9

2016

6.1

2006

5.2

2009

5.6

1985

6.2

2007

8.1

2006

6.4