2016

7.6

2017

7.4

2016

6.4

2011

6.3

2003

4.6

2005

7.7

2014

6.9

2009

7.7

2005

8.2

2011

6.5

2000

8.0

2019

7.0

2013

5.1

2011

6.6

2003

7.1

2025

0.0

1997

5.8

2004

5.8

2018

5.5

2015

6.7

2002

6.2

1998

6.3

2012

0.0

2018

7.0

2008

6.7