2015

7.9

1988

6.2

2017

6.0

2010

4.8

2003

5.0

2009

7.5

2017

7.4

2007

5.7

1982

7.3

2009

6.3

2012

5.4

2008

9.0

2007

7.7

2013

4.9

2015

0.0

1983

5.8

2002

6.7

2010

4.5

1987

6.9

1985

5.9