2010

7.1

2006

7.1

2013

6.0

2003

5.1

1985

5.8

2008

7.3

2016

7.2

1973

6.5

2015

5.6

2022

5.8

2014

7.4

2010

6.8

2004

6.7

2015

7.4

2012

7.0

2015

6.2

2012

7.1

2017

6.4

2024

0.0

2015

7.8