1982

5.9

1993

6.1

1920

6.4

2023

6.8

1911

9.5

2012

5.7

1968

6.9

2016

7.9

2024

6.3

2024

6.1

2022

6.9

2022

6.1

2008

7.0

1980

5.9

2020

6.8

2024

8.5

2002

7.1

2024

7.3