2017

5.9

2012

6.3

2008

4.5

2007

5.2

2019

5.9

1998

6.0

2015

7.8

1996

7.7

2011

7.4

2012

5.8

2015

5.3

2001

8.2

1999

6.1

2002

5.9

2005

8.3

2014

7.9

2008

6.2

2003

5.8

2004

6.1

1995

5.7

2009

6.4

1995

7.7

2002

6.0

2016

5.8

2015

0.0