1985

0.0

1986

4.8

1986

6.0

1990

0.0

1987

5.9

1980

4.5

1978

0.0

1992

0.0

1981

3.8

2001

0.0

2005

0.0

1988

5.2

1990

4.9

1961

6.5

2000

5.5

1977

4.3

1992

3.0

1997

5.8

1984

5.8

2008

0.0

1985

3.3

1986

0.0

1989

7.0

1984

0.0

1984

0.0

2017

0.0

1998

7.0

1989

0.0

1985

4.6

1983

5.6

2008

3.0

1985

4.8

1987

0.0

2009

0.0

1987

5.0

1985

0.0

1976

0.0

1993

0.0

1975

4.3

1993

6.0