2012

6.6

2016

6.2

2005

6.5

2014

5.0

2015

5.0

2003

7.3

2006

7.4

1995

6.2

2004

5.1

2003

4.8

2002

0.0

2001

4.6

2002

5.0

2017

6.7

2020

7.1

2015

6.9

2014

5.6

1998

6.1

2008

4.9