2011

5.7

2016

6.8

2002

6.6

2000

5.2

2011

7.1

2005

7.4

2009

6.3

2007

6.7

2012

6.3

2006

6.7

2011

5.5

2000

5.0

2014

7.3

2003

6.0

2004

7.9

1994

5.2

2015

7.0

2010

6.2

2012

5.2

2012

7.1