1985

8.1

1984

6.5

1994

7.0

2012

0.0

1971

6.0

2003

8.2

1980

8.0

1994

4.0

2001

6.8

2013

8.7

2017

7.9

1981

8.0

2012

3.6

2008

7.1

2010

0.0

2007

4.5

1983

0.0

1993

7.8

1982

6.0

2005

8.0