1969

8.3

2020

7.2

1895

5.4

2014

5.6

2005

5.8

2012

6.0

1987

5.4

1966

6.1

1975

5.5

2018

7.0

2022

3.8

2021

7.7

2023

6.5

2017

9.2

2016

8.9

2015

7.6

2019

7.6

1970

6.0