6.3
en
2024
5.4
7.0
ko
7.2
ja
2018
6.8
7.5
2014
7.1
2011
6.5
2005
6.6
2000
7.4
1992
5.5
1988
5.2
1994
5.9
1978
1990
2017
2025
N/A
zh
2026
cs
5.1
1972
ta