2006

7.9

1978

6.8

2015

8.4

2015

7.4

1991

8.1

2010

5.7

2003

8.0

2009

7.0

2019

8.9

2022

7.7

2022

8.0

2020

6.9

2017

7.6

2013

6.7

2020

7.3

2011

7.4

2017

7.3

2008

6.7

2012

6.8

2016

6.9