2006

6.4

2017

6.0

2012

7.0

2024

8.0

1999

6.1

2003

6.0

1961

4.0

2009

4.1

2005

5.5

2023

6.7

1984

7.2

2004

6.3

2021

7.0

2016

8.0

2010

0.0

2008

6.8

1999

6.3

2022

7.7

2014

5.5

2023

0.0