6.2
ja
2022
3.7
en
8.4
2016
N/A
2019
7.0
2014
7.7
2011
6.5
1997
7.2
2018
2024
6.6
2021
7.4
2025
8.3
1986
9.0
1964
6.9
7.5
1988
2020
7.3
zh
2010
7.8
ko