2006

5.0

1996

6.4

1984

6.0

2006

3.7

1981

4.6

2005

5.2

2012

6.4

2002

6.4

1987

5.5

2004

4.5

2007

3.5

2015

0.0

2009

6.3

2006

7.0

2001

4.2

2004

3.8