2009

5.3

2007

4.7

2010

0.0

1997

5.0

2010

0.0

2004

0.0

1982

4.6

1995

7.0

2005

4.5

2006

5.7

1984

5.5

2004

7.0

1995

8.1

2002

0.0

2007

3.0

1997

0.0

1982

5.9

2003

7.0

2005

7.0

1994

4.6

2004

7.0

1990

6.5

1986

4.2

2006

7.4

1992

5.8

1993

6.5