2016

6.8

1986

8.3

2019

8.4

2008

7.6

2014

7.8

2015

7.8

1997

8.1

2004

7.8

2005

8.7

2018

7.2

2010

8.5

2015

8.5

2019

8.7

2006

8.2

2021

8.5

2017

7.4

2013

8.3

1996

8.0

2021

8.4