2020

6.4

2023

6.8

2012

7.1

2011

6.4

2015

5.1

2021

6.1

2024

6.5

1975

7.0

2022

7.2

1972

6.6

1975

6.1

2020

7.4

1933

6.2

2015

6.4

2022

6.3

2021

6.7

1996

6.5

6.6

2014

7.6

2025

5.8