1990

0.0

1993

6.6

1992

0.0

1985

0.0

1994

9.0

1991

10.0

1983

2.0

1982

4.9

1979

7.6

2005

0.0

1984

0.0

1994

7.0

1986

6.1

1980

5.0

1987

6.1