2012

7.7

1973

5.7

2006

7.8

2014

6.2

2012

5.7

2018

6.8

2013

5.4

2016

6.7

1993

4.6

2011

3.6

1923

7.5

2018

6.4

2015

7.2

2009

8.5

2014

7.3

2017

6.8

1999

6.5

2010

6.5

2020

6.2

2018

7.6