2016

5.9

2019

8.1

2012

7.8

2001

7.9

2018

7.5

2012

7.3

2014

8.5

2015

7.6

1997

7.9

1994

8.7

2019

7.8

2016

8.5

2018

8.0

2009

7.0

2018

6.2

2013

7.3

2014

7.4

2014

6.5

2021

7.2

2017

6.1