1982

0.0

1970

0.0

1984

0.0

1973

0.0

1980

0.0

1988

0.0

1992

0.0

1992

0.0

1983

0.0

1972

0.0

1986

0.0

1978

9.0

1967

0.0

1981

0.0

1970

0.0

1998

0.0

1985

0.0

1982

0.0

1999

6.0

1989

0.0

1989

0.0

1983

0.0

1975

7.0

1966

0.0

1979

0.0

1988

0.0

1996

0.0

1982

0.0