7.3
en
2016
7.9
ja
2018
6.5
1990
8.7
2010
7.7
1997
3.4
1965
N/A
zh
2020
5.6
2007
10.0
hi
2017
6.7
2008
8.0
2014
7.8
de
1995
1969
2024
2015
9.5
ko
2013
8.3
1994
2.0
2011
7.6