2006

6.5

1984

4.2

1970

3.8

2017

5.7

2014

6.3

2012

2.0

2021

6.6

2003

6.6

2017

5.1

1997

6.2

2018

10.0

2017

3.9

2017

5.5

1983

5.0

1988

0.0

1999

6.0

2002

4.8

2013

0.0

2004

4.0

2013

4.5