2021

7.6

2012

5.5

2016

8.4

2015

8.9

2017

7.7

2017

7.1

1992

9.0

2006

7.9

2002

7.5

2010

7.7

2016

7.2

2017

6.8

1971

8.0

2020

8.0

2001

8.3

2014

8.3

2015

8.3

2009

10.0

2018

10.0