2011

6.5

1988

5.3

2021

6.2

1996

6.7

2014

7.0

2009

8.5

1982

6.2

5.0

2013

5.8

1895

5.4

2019

7.1

2008

7.5

2020

5.2

2006

7.1

1976

7.3

2010

7.1

2010

6.0

2008

6.1