2006

7.7

1986

6.3

2017

6.7

2013

6.9

1990

7.9

2012

6.8

2022

7.3

2013

8.1

2016

8.6

2023

8.6

2017

8.2

2010

8.1

1994

8.4

2011

8.5

2015

8.7

2005

8.1

2017

8.5

2014

7.9

2008

8.9

2004

7.9