2018

6.2

2017

7.4

2004

8.4

2016

5.9

2009

7.4

2016

7.0

2016

7.9

1979

8.2

2013

8.0

2016

7.4

2015

8.0

2018

7.4

2014

7.8

2006

7.7

2023

8.1

2017

6.8

1982

7.5

1997

6.6

2014

6.3

2017

6.7