2013

7.5

2015

7.1

2017

6.8

2004

5.6

2008

7.1

2008

8.7

2011

6.7

2010

6.3

2000

6.4

2019

7.7

1986

6.3

2011

6.2

2007

9.7

2009

5.5

2016

7.3

2017

5.3

2017

6.0

2016

6.7

2022

6.8

2008

7.7