2017

6.0

1997

8.0

1988

9.0

1976

6.7

1993

5.0

2011

0.0

1988

0.5

2013

5.4

1988

6.3

2014

6.5

1980

0.0

1997

0.0

1977

0.0

1991

6.4

1979

7.7

1979

4.2

1982

5.0

1999

7.1