2005

6.9

2018

8.2

2013

8.0

1995

8.4

2014

8.4

2014

7.4

2023

7.0

2017

8.1

2012

7.4

2014

6.5

2000

8.2

2012

6.6

2016

7.6

2014

8.0

2011

7.6

2017

7.0

2016

7.0

2012

8.2

2015

7.8

1980

8.2