2001

5.9

2008

8.0

2014

6.5

2015

6.1

1989

7.1

1969

6.4

2011

7.5

2022

7.4

1989

6.4

2003

5.0

1965

6.4

2007

4.7

2006

6.3

2020

7.0

2010

6.2

2003

7.5

2018

6.0

2012

6.0