2014

8.4

2019

8.3

2008

7.8

2021

7.2

2018

8.2

1993

8.4

2014

8.3

2009

7.5

2020

8.2

2007

7.9

2010

8.1

2015

7.4

2005

8.2

2013

7.1

2004

8.4

2012

6.8

2000

8.6

2005

7.3

1998

8.0

2015

8.2