2010

0.0

1989

6.2

2011

8.0

2017

6.1

2012

6.7

2004

8.0

2009

6.4

2012

7.0

2000

5.5

1991

6.1

1999

6.6

1997

3.5

2008

8.0

1993

0.0

1996

5.2

1998

6.2

2003

6.8

2001

0.0

2008

6.8

2003

5.6