2012

6.0

2016

5.8

2008

5.2

2022

7.1

1975

7.3

2002

6.4

2006

7.0

2011

6.2

1995

5.9

2013

6.1

2007

4.8

2014

5.7

2016

6.9

2004

5.9

2019

7.3

2008

6.5

2009

6.7

2015

5.9

2011

5.4

2006

5.8