1973

5.9

1940

5.1

1925

7.3

1991

6.6

2008

9.5

2021

7.5

2016

6.0

2017

6.2

2013

10.0

2016

5.8

1990

4.2

2009

4.6

2005

6.5

1979

6.0

2023

4.3

2016

4.0

2020

5.0

2019

5.0