2004

6.6

2006

0.0

2005

8.2

1996

6.9

2015

3.2

1984

7.5

2009

7.5

2014

8.2

2006

5.0

2011

6.5

1998

7.1

2018

7.6

2018

8.5

2003

0.0

2017

8.5

2012

7.4