2017

9.5

2015

6.4

2023

9.4

2011

9.1

2004

5.1

2009

5.6

2006

7.0

2016

6.9

1965

7.9

2024

7.4

2018

6.4

2020

5.6

2001

8.9

1984

9.2

2011

9.5

2010

7.1

2008

8.9