2026
6.6
7.2
8.4
2025
7.6
7.7
6.9
5.9
2018
8.5
6.5
2024
8.1
2022
7.5
2016
2020
8.6
5.7
4.7
6.8
6.7
6.1
4.2
6.2
7.4
8