1985

0.0

1989

8.2

1985

6.0

1993

8.0

1980

6.0

1987

4.0

2010

7.7

2011

8.1

1975

0.0

1998

5.4

1988

8.2

1987

5.0

1996

7.4

1974

7.0

1982

7.6

1983

3.0

1982

7.4

2011

6.2

2005

5.2

1979

6.0

1980

0.0

2021

8.1