5.3

2010

6.6

2015

5.9

1949

6.2

2020

7.0

2001

7.2

2018

6.7

8.7

2008

7.8

2020

5.6

1955

6.0

2010

9.2

1978

6.8

2018

6.4

1969

5.1

2018

6.5

2012

6.5

2019

6.4

2011

5.6