1990

8.5

2004

5.5

2013

0.0

2009

6.7

2010

0.0

2012

6.7

2010

1.0

2007

0.0

2012

6.1

1986

7.0

2017

5.5

2008

5.0

1996

6.8

1994

8.0

2021

6.8

1992

5.0

1985

5.8

2015

6.2

2008

6.8

2003

5.6