2017

8.0

2008

5.3

2005

8.9

2019

10.0

4.0

2021

6.5

7.0

1971

7.2

1978

10.0

2010

7.5

0.0

2000

5.7

1992

5.7

2016

5.2

2013

8.3

2014

9.0

2012

7.0