1991

7.1

2010

8.0

2002

5.0

2012

0.0

1988

5.2

1985

6.2

2015

7.3

1983

0.0

1992

6.1

1990

7.4

2015

8.2

1993

3.2

1997

6.3

2016

7.7

1988

4.0

1983

0.0

1987

6.1

2013

7.9

2017

7.6

1988

5.3

1982

6.3