2005

6.3

2008

6.0

2001

7.7

2001

6.5

2003

4.1

2006

4.4

2000

6.1

2001

4.7

2004

3.1

2006

4.3

1998

2.7

2011

4.8

2013

5.6

2018

7.2

2013

7.5

2021

10.0

2003

5.7

1995

5.1

1995

7.6

2022

0.0