2005

6.3

1993

8.0

1998

7.2

2012

7.1

2006

6.0

2016

6.3

2014

8.7

2021

0.0

2007

0.0

2004

6.0

2002

5.5

2017

7.8

2018

5.6

2011

5.3

2013

7.8