1984

6.5

2011

7.3

1955

6.1

2018

6.2

2008

6.8

2017

6.8

2025

4.8

2018

6.4

2021

5.9

2023

7.9

2011

8.4

2024

4.6

5.7

2022

5.2

2015

6.6

1973

7.5

2023

7.1

2019

7.6

2023

8.1

2004

7.0