2010

4.8

2017

4.2

1992

3.7

2009

10.0

2008

6.0

2002

5.5

2008

0.0

2009

4.9

1986

4.7

1988

7.5

1996

5.0

2016

6.0

1990

9.0

2008

0.0

1983

6.5

2006

7.1

2016

3.6

1993

0.0

1993

0.0

1983

0.0

1976

6.0

2016

5.7

2003

4.6

2012

6.3