1996

6.5

1997

5.4

2005

5.3

2009

6.3

2016

5.1

2007

0.0

2017

2.0

2015

7.1

2006

3.7

2022

7.5

2007

8.0

2006

3.5

2004

6.1

2009

5.6

2016

7.0

2006

0.0

2019

0.0