2012

8.0

2017

6.9

2024

7.5

2015

7.1

2021

7.2

2001

5.8

2010

5.2

2016

5.4

2006

6.8

2008

6.6

1991

7.0

2016

6.5

1990

5.8

2004

6.1

2014

6.3

2015

7.2

2014

6.2

2016

7.1

2011

6.6