2009

5.3

2007

4.6

2010

0.0

2010

0.0

1982

4.7

1997

5.0

1995

7.0

2005

4.5

2006

5.7

1984

5.6

2004

7.1

1995

8.1

2002

0.0

2007

2.7

1997

0.0

2003

7.0

2005

7.0

2004

7.0

1990

6.4

1986

4.2

2006

7.4

1992

5.5

1993

6.4