2012

8.0

2018

5.5

2006

6.5

2002

6.6

2008

4.0

2011

0.0

2015

7.1

2017

5.6

2015

6.5

1978

5.8

2003

6.2

2005

6.0

1999

6.8

1994

7.2

2007

0.0