1993

6.2

1985

3.5

1989

0.0

1988

0.0

1991

4.2

2016

5.0

2012

6.0

2010

0.0

1997

5.0

2010

5.0

1986

5.9

1990

5.4

2006

2.0

1991

0.0

2017

9.0

1989

6.0

1992

4.0

1970

6.2

1996

0.0

2003

6.0

2009

6.9

1992

0.0

1995

4.8

1983

7.2

1997

0.0

2015

7.6