1964

6.5

2007

7.8

2019

8.1

1940

7.8

2018

6.2

1981

7.3

2024

7.2

1966

7.7

2017

7.3

2020

7.3

2003

7.2

2023

8.1

2019

7.7

2019

7.8

1994

7.5

2015

7.4

2022

7.8

2000

8.2

2016

8.5

1976

7.6