2014

5.1

2020

6.4

1997

7.9

1941

7.0

2017

8.1

2014

7.7

2016

7.6

2019

7.1

2018

7.4

2017

7.5

2014

8.5

2015

7.8

2017

8.2

1976

8.1

2018

8.2

2006

7.4

2016

7.7

2009

7.6

2016

6.3

1971

8.2