1996

6.5

2014

5.8

2010

5.3

2009

0.0

1995

1.0

2005

5.3

2002

4.0

1994

1.0

1995

2.5

2008

7.4

2001

5.0

2011

4.0

2017

7.2

1999

5.5

2003

6.7

2025

8.0