2011

6.7

2012

0.0

1994

7.6

1997

6.7

2004

2.7

2013

8.2

2006

6.1

2017

6.8

2010

7.7

2018

9.7

2016

5.4

2010

7.7

2019

5.8

2015

5.8

1995

8.0

1998

5.7

2003

6.5

2009

7.7