2015

8.3

2012

8.1

2014

8.4

2012

7.8

2016

7.7

2013

7.9

2005

8.2

1999

7.0

1994

7.0

2003

7.6

2023

8.5

2016

7.5

2000

8.7

1995

7.8

2014

7.4

2013

7.2

2009

8.0

2008

7.9

2011

7.3

2002

8.2