2013

5.5

1997

4.5

2005

5.4

2006

0.0

1994

1.0

2014

5.0

2010

6.0

2012

4.7

2005

7.0

2005

0.0

1992

7.2

2000

5.0

1970

6.2

1999

0.0

2010

6.1

2001

4.4