1971

7.4

2014

6.1

2019

7.1

2010

6.2

1973

6.4

2017

0.0

2006

5.5

2010

4.9

2010

6.7

2018

6.5

2008

5.7

2010

5.9

1996

6.2

2010

6.7

2014

7.8

2011

5.3

2024

0.0

2009

6.5

2006

6.2

1985

6.2