2008

7.1

2015

7.9

2017

10.0

2014

6.6

2020

6.2

2011

7.4

2016

7.5

2021

5.7

1995

5.6

2013

6.1

1957

6.9

2011

5.5

2017

6.1

2005

6.0

2003

6.9

2021

10.0

2023

6.2

2014

6.0

2010

6.5

2015

10.0