2016

6.0

2006

8.4

2013

7.4

2017

7.0

1998

6.9

1983

6.8

2021

4.8

1983

8.1

2023

8.5

2008

8.1

2014

7.5

2007

8.2

2004

8.0

2001

4.0

2007

7.9

2006

8.2

1969

5.1

2005

7.4

2006

7.8

2010

8.1