2015

5.3

2019

7.3

1987

5.6

2018

7.5

2021

6.8

2009

7.6

2018

8.4

2016

7.0

2025

6.4

2023

8.1

2021

7.9

1976

8.1

2017

6.5

2014

7.5

2023

7.0

2018

7.4

2024

6.9

1990

7.4

2015

6.4

2019

6.8