1982

0.0

1988

5.0

1994

7.7

2013

5.1

1998

5.7

1983

0.0

1983

0.0

1980

0.0

1980

0.0

1990

0.0

1988

0.0

2001

0.0

1987

8.3

1996

3.5

1992

7.6

1992

6.5

1991

6.3

1991

5.2

1989

7.3

1988

0.0