2006

8.2

2009

8.0

2000

7.6

1998

0.0

5.3

2006

7.9

2005

7.9

1987

7.1

1994

7.6

2002

7.9

2003

7.8

2014

0.0

2002

7.3

2004

7.4

1994

7.1

2010

0.0

2010

6.9

2025

7.6

2006

4.0

2015

7.4