2018

7.1

2009

5.3

2002

6.1

2016

9.0

2014

6.3

2004

0.0

2017

6.5

2008

5.8

2015

0.0

2008

4.8

2014

5.7

1999

6.2

1992

8.0

1988

4.3

2009

0.0

2000

6.5

1998

4.0