2014

4.0

2006

5.0

2008

4.6

2005

5.8

2000

8.0

2009

0.0

2006

7.1

1996

1.0

1998

6.5

2004

6.2

2010

5.2

1999

7.4

2000

7.1

2008

7.5

2001

8.4

2018

6.2

2004

4.9