2016

6.4

2011

8.3

2018

8.1

2015

8.7

2005

7.8

2006

7.8

2018

8.3

2004

7.5

2003

8.0

2000

8.1

2011

7.8

2019

8.7

2022

7.2

2013

7.9

1980

8.6

2011

8.1

2017

7.9

2013

7.1

2018

7.4

1967

7.7