2016

6.5

2012

7.0

1995

7.3

2022

8.1

2009

7.9

7.2

2011

7.3

2016

7.1

1999

7.9

1993

7.3

2013

8.0

2008

7.6

2003

7.2

2014

8.4

2016

8.5

2006

8.1

2007

7.6

2010

7.7

2020

7.7

2023

8.0