2006

8.0

2002

7.3

2005

6.1

2005

6.8

2006

6.3

2016

7.2

2004

6.3

1995

6.7

1994

5.6

2009

6.7

2006

7.2

2007

5.4

2007

5.7

2001

7.1

2005

5.8

2003

6.6

2020

7.0

1997

7.0

2003

0.0

1967

0.0