1992

6.8

2009

7.5

2019

8.2

2006

1.5

2008

6.1

2007

5.6

2025

8.0

2003

7.2

1996

8.1

2016

8.6

2009

4.4

2013

8.3

2013

6.8

2017

8.4

2018

7.1

2019

8.5

2010

7.7

2016

7.0

2014

7.9

2016

7.4