2016

6.7

2007

7.9

2006

7.2

2018

6.0

2008

8.9

1963

7.7

1896

5.2

2009

5.6

2017

5.9

2019

6.4

2010

5.0

1938

6.5

2020

5.6

2021

6.6

2016

7.4

1992

7.0

2009

6.2

1955

7.2