2018

4.0

2003

6.8

2009

5.9

1990

5.7

1926

5.6

2017

6.9

2020

7.2

2009

6.1

2019

6.8

2023

6.0

2004

6.4

1993

6.5

2015

6.5

2003

6.8

2013

6.6

2016

6.7

1999

4.6

1896

5.2

1993

6.1