1998

5.7

2004

6.6

2010

8.0

1998

5.5

2012

0.0

1990

10.0

1998

0.0

1993

4.5

2001

6.0

2003

5.6

2014

6.7

1997

7.0

2007

8.0

1991

6.0

2007

5.6

2006

7.2