1963

5.9

2010

6.1

2013

5.9

2009

7.2

1986

5.8

2002

4.5

2013

6.1

2012

6.5

2019

6.1

2015

5.1

2010

9.2

2021

7.1

1984

7.6

2003

7.3

2006

7.1

1917

5.5

2011

7.5

2014

5.6

1997

7.4

2001

9.4