2014

7.7

2007

5.7

2017

4.9

1994

7.0

2012

6.0

1988

6.2

2017

8.1

2011

6.4

1981

6.6

2017

8.5

2020

7.3

2003

6.5

2014

6.3

2008

6.8

2005

6.9

2010

6.2

2023

7.0

2017

6.1

2007

7.4