1977

0.0

1981

7.0

1983

0.0

1978

0.0

1983

0.0

1985

0.0

2005

7.2

1976

7.0

2003

6.5

2015

7.3

1976

0.0

2000

5.1

2003

5.3

1975

1.0

1973

9.0

1985

8.0

1980

7.0

1978

7.0

1983

7.0

1984

0.0

1976

0.0

1987

7.0

1981

0.0

1977

0.0