2017

5.9

2011

5.7

2013

7.6

2007

5.7

2025

5.0

2009

8.5

1972

7.4

5.4

1930

6.0

2018

7.1

2012

7.2

2016

2.5

2006

6.7

2012

6.4

1998

8.6

2009

4.6

1985

6.7

2021

10.0

1982

7.5