2004

7.2

1982

0.0

1983

8.0

2005

6.0

1995

6.2

1989

0.0

2005

5.5

2005

7.0

2000

6.5

2006

4.1

2004

6.4

1988

0.5

2009

3.0

1997

4.0

2010

3.0

1985

0.0

1987

6.4

1990

7.0

1989

6.4

2009

0.0