2016

6.5

2009

5.6

1983

0.0

1987

6.0

2000

7.0

2016

6.1

1980

4.0

1971

0.0

2006

10.0

1958

0.0

1976

5.8

2001

5.0

1996

6.7

2002

1.0

2014

6.4