2010

5.7

2009

5.8

2021

1.0

2012

6.8

2007

5.2

2000

7.5

2017

5.2

2001

4.7

2005

6.3

2013

5.0

1996

7.7

2011

7.4

2000

6.7

2001

8.2

2005

8.3

2002

7.5

2002

7.2

2001

6.3

2003

7.3

2009

0.0

1999

4.1