6.6
en
2023
7.1
2022
7.0
zh
2021
7.4
ja
4.0
cn
2004
3.7
ko
2019
8.4
2011
1964
1940
7.3
1991
5.9
2009
6.9
2007
4.7
5.3
de
N/A
2025
vi
2017
8.5
5.6
7.7
2024