1988

6.4

2017

4.0

2014

5.6

1988

0.0

1990

5.1

2016

7.3

2012

6.0

2009

4.5

2016

0.0

2009

4.5

2010

7.0

2011

6.0

1989

5.0

1990

5.0

1999

1.0