2009

4.2

2002

3.7

1996

0.0

1997

6.0

2004

0.0

2012

0.0

2000

4.8

2007

8.1

1996

5.8

1999

8.3

2005

6.8

1999

0.0

2018

6.6

2023

7.4

2014

5.7