8.5
ja
2004
7.3
en
1963
8.6
2023
7.6
2011
8.2
2014
8.7
6.4
2019
2015
ko
2022
N/A
bn
2020
7.5
2003
2021
2002
7.7
8.1
2018
2009
8.4
2017
2001