2010

7.0

2016

6.9

2017

7.1

2004

8.2

1992

6.8

2003

7.9

1999

8.6

2014

8.4

2011

7.9

1993

7.9

2013

8.1

1997

8.1

2018

7.8

2015

7.1

2019

7.8

2012

6.8

2021

5.9

2007

7.6

2005

8.2

2022

7.8