2013

6.9

1987

7.4

1989

9.3

2015

6.4

2004

6.0

2008

7.2

2018

5.1

2011

6.9

2018

6.3

2013

5.8

2014

6.8

2009

7.3

2012

8.2

2011

6.3

2019

6.9

2015

5.2

2012

6.4

2014

7.3

2009

6.1

2006

5.4