1979

6.2

2017

6.1

2018

6.0

2020

7.3

2011

5.9

2023

7.3

2008

4.6

1993

6.1

1952

6.0

1980

6.3

2024

7.3

6.1

1896

5.2

2013

6.7

2022

6.3

2021

7.8

1968

5.4

2016

7.0