2012

5.4

2001

7.1

2005

6.4

2009

8.7

2008

9.2

2018

7.9

1986

7.9

2016

7.8

2013

7.2

2019

8.1

2018

7.5

2017

7.4

2018

6.8

2014

8.0

2017

7.8

2011

8.3

2017

7.2

2015

6.4

2005

8.1

2018

7.6