2006

6.1

2012

5.0

2024

6.8

2020

6.4

1985

6.8

1933

6.2

1988

6.4

2016

6.5

2021

6.1

2016

6.7

1972

6.3

2019

7.5

2022

6.0

2009

8.5

2006

6.8

1975

7.0

2018

6.3

1969

5.1

2024

7.2

2023

6.5