1983

9.0

2015

0.0

2018

0.0

1973

0.0

2005

9.5

2013

7.9

2014

8.1

1975

8.4

2004

7.4

2014

6.3

1965

7.3

2016

0.0

1993

5.5

1979

8.0

1975

0.0

1976

8.3

1978

7.8

2004

7.6

1999

7.3

1997

7.0