2015

7.4

2018

8.3

2011

8.5

2016

8.6

2017

8.4

2022

8.3

2016

7.3

2015

8.6

2018

8.5

2010

8.0

2005

8.2

1987

7.5

2013

7.7

2005

8.3

1989

8.0

2018

7.7

2003

7.6

2019

8.7

2007

8.2

2012

8.4