2016

6.0

2010

8.1

2011

8.5

2014

7.8

2004

8.6

2012

6.8

2007

7.9

1989

8.0

2021

8.2

2017

8.7

2011

8.3

2019

8.3

2019

8.0

2011

8.1

2015

8.1

2005

8.2

2003

7.5

2005

8.3

2005

7.5

1987

8.4