2017

7.2

2010

3.7

2009

5.0

2017

6.0

2009

5.9

1960

6.9

2010

6.8

2004

6.6

2005

0.0

1980

7.0

2016

5.2

1928

4.5

1929

1.0

1971

7.2

1988

6.8

1980

6.0

2017

6.7

2006

7.4

2008

6.8

2014

7.0