2014

7.1

2015

7.2

2017

7.2

2015

8.0

2010

7.7

2004

5.9

1999

6.1

2012

6.3

2008

5.7

2000

6.7

2021

7.1

2017

7.3

2016

6.1

2015

6.7

2022

5.2

2010

6.1

1989

5.4

2016

7.4

2013

6.9

2020

6.9