6.6
ja
1990
10.0
ko
2020
en
2010
6.2
2023
6.9
cn
N/A
1975
6.7
2019
2014
6.0
zh
2022
7.2
2016
6.8
2007
7.1
2000
1996
5.6
2024
2021
7.9
2013