BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 109 43.6%
2 United States 86 34.4%
3 Germany 21 8.4%
4 Senegal 12 4.8%
5 Netherlands 7 2.8%
6 United Kingdom 5 2%
7 Hong Kong 3 1.2%
8 India 3 1.2%
9 Ireland 3 1.2%
10 Canada 1 0.4%