1981

5.2

2001

6.2

1984

10.0

1981

7.3

1988

7.4

1983

8.7

1990

8.0

1965

1.0

1980

0.0

1987

7.2

1990

7.3

1979

3.3

1989

0.0

1985

0.0

1994

7.0

1986

5.3

1994

1.0

1987

4.5

1996

0.0

1992

4.3

1975

6.0

1977

5.0

1995

0.0

1990

3.0

1982

0.0

1996

5.3

1985

0.0