1999

7.4

2020

7.0

2021

7.3

2024

9.3

2007

7.2

2014

7.2

2017

7.1

2008

7.6

2010

7.7

2005

7.3

7.2

2007

8.1

2015

8.0

2012

7.2

2019

7.5

2013

8.1

2021

7.6

2015

8.1

2011

7.9

2007

7.9