1997

0.0

2011

6.0

1989

10.0

1991

0.0

1993

8.5

2010

0.0

2016

7.4

2004

0.0

2013

0.0

2008

7.0

2007

5.0

1990

0.0

2012

7.5

2009

7.7

2009

7.5

2009

6.0

2011

7.8

2008

0.0

2006

0.0

2007

6.2