BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 72 51.1%
2 United States 48 34%
3 Netherlands 8 5.7%
4 Germany 4 2.8%
5 Senegal 2 1.4%
6 France 2 1.4%
7 Canada 2 1.4%
8 Belgium 1 0.7%
9 Sweden 1 0.7%
10 Hong Kong 1 0.7%