Spreadsheet of data comparing international output

Data (with some corrections) serving as the basis for analysis of national impact for the article in Nature, October 5, 2017. Also the data supports a forthcoming full treatment in Frontiers.作为《自然》杂志2017年10月5日文章国家影响分析的依据数据（经过部分修正），同时，这些数据亦支持即将在《前沿》杂志上发表的全面论述。