8.2
en
2011
7.8
es
2015
8.4
2026
6.1
ja
2018
6.8
2024
5.7
2023
6.5
2021
8.0
2004
7.5
zh
2010
9.0
pt
1971
N/A
2008
de
8.3
el
2019
6.9
ko
6.6
1962
7.1
1995
8.1
2000