1983

1.0

2018

7.0

1979

6.6

2005

4.2

1990

0.0

1993

7.2

2009

2.0

2020

5.6

2005

0.0

1992

5.0

1981

0.0

1994

0.0

2004

7.0

1986

2.0

2018

6.1

1995

6.0

2011

5.9