2016

6.8

2012

7.0

2018

3.7

2010

6.6

2016

7.9

1969

6.1

2008

4.6

2002

5.2

2008

9.2

2004

6.3

2003

0.0

1991

4.9

1979

0.0

2016

6.2

2004

6.0

1971

7.2

2016

0.0

1961

6.2

1975

8.7

1988

6.8