1981

4.0

1986

5.0

2012

3.9

1984

1.0

1985

6.9

1988

7.0

1996

6.7

1983

0.0

1987

4.7

1983

0.0

1983

2.0

2017

8.7

1987

6.5

1988

0.0

1987

7.0