2006

10.0

2006

10.0

0.0

1955

7.2

2005

6.9

2001

6.3

1954

6.5

2007

6.1

2000

6.7

2003

5.5

2002

5.5

2002

7.2

1990

7.3

2007

6.9

1991

6.9

2009

7.2

2008

8.2

2002

6.4

1997

7.6

1968

7.4