1994

4.8

2014

5.6

2020

7.4

2018

5.3

1972

10.0

2006

9.8

1895

5.5

2005

5.7

2025

6.5

2015

7.4

2004

9.5

2007

5.2

1970

5.5

2017

7.4

2005

7.8

2023

6.5

1991

5.1

2012

6.3