7.0

1981

6.1

6.2

0.0

2008

5.0

1999

5.0

0.0

2003

9.2

2006

8.8

2013

6.0

1971

7.8

1989

8.2

1987

6.3

2014

9.7

10.0

1.0

4.9

1967

9.0

2012

7.0

5.0