2012

6.8

1994

8.4

2007

7.9

2008

8.5

2014

7.8

2019

8.0

1993

8.4

2013

8.6

2015

8.2

2005

8.3

2010

8.5

2005

8.1

2006

8.1

1999

8.2

2015

7.4

2007

8.2

2005

7.5

2016

7.3

2005

8.2

2011

8.2