2000

8.2

2011

4.2

2000

7.7

1995

8.8

2021

7.8

2004

7.8

1998

7.8

2009

6.1

2009

7.4

2005

7.0

1999

8.0

2003

7.9

2017

0.0

1996

6.0

2006

7.6

2002

4.8

2013

5.9