1994

0.0

2007

6.7

2005

0.0

1992

7.0

1996

7.2

2006

6.5

2004

6.0

2013

5.9

2009

7.1

1993

5.3

1992

0.0

1996

0.0

1997

7.0

2003

7.6

2014

0.0