2016

6.6

5.7

1968

6.5

1993

5.5

2017

6.8

2015

6.7

2023

8.5

2020

7.4

2008

6.1

1895

6.7

2014

4.5

1955

6.3

1995

5.2

2001

7.2

1940

7.8

2023

6.7

1972

6.4

2019

7.6

2000

6.6

1969

6.9