2015

6.3

1999

7.2

2005

6.0

2011

7.8

2014

5.6

2018

6.6

2002

6.0

2007

7.3

2012

0.0

2009

6.9

2005

7.0

2004

5.8

2001

4.0

2005

4.6

2008

5.3

1997

5.3

2021

6.8

2009

7.2

2018

7.2

2015

6.5

2023

6.5

2013

6.6

2004

0.0

2008

5.2

2017

5.1

1998

6.0