2012

8.0

2005

5.2

1983

7.7

1996

8.1

2003

7.5

1983

7.3

2001

6.4

2010

6.0

1992

6.7

2011

4.0

2015

5.8

2018

7.8

2016

0.0

2017

0.0

2020

0.0

2013

7.2

1998

6.8

1985

7.5

2018

0.0

2005

4.9