Parameters, sources and external variables.

This file contains the population parameters for each country used to ensure a stratified sampling of respondents by gender, age, education level, region, and income level. It also contains the country data for each of the external variables considered in the analysis. (XLSX)本文件包含用于确保按性别、年龄、受教育程度、地域及收入水平对受访者进行分层抽样的各国人口参数，同时收录了分析中所考量的各项外部变量的国别数据。（XLSX）