2017

5.9

2009

8.5

2012

6.4

2011

5.7

2015

7.9

2024

6.4

2007

5.7

2007

9.0

5.4

2023

6.9

1920

6.7

2006

6.1

1993

7.2

2008

7.7

1955

4.9

2001

10.0

1988

5.8

1963

7.7

1995

6.5