2014

7.8

2017

7.5

2005

7.1

1966

7.3

2015

8.0

2013

7.7

1998

7.4

2009

8.0

2020

8.0

2006

8.2

2010

8.0

2010

6.8

2012

7.6

2005

8.1

2004

8.6

2018

7.4

2006

7.5

1984

7.3

2016

7.1

2016

6.8