2009

7.7

2015

8.3

2000

8.0

2012

7.2

2018

7.3

2012

6.6

2004

7.1

2024

7.3

2011

4.7

2011

7.2

2012

7.0

2016

5.8

2013

7.2

2013

7.5

1997

7.7

2014

7.2

2021

7.7

1983

6.8

2001

8.6

2006

7.4